{"id":2681,"date":"2024-10-25T11:35:33","date_gmt":"2024-10-25T03:35:33","guid":{"rendered":"https:\/\/www.leakagetester.com\/?page_id=2681"},"modified":"2024-11-13T13:52:56","modified_gmt":"2024-11-13T05:52:56","slug":"astm-d4991","status":"publish","type":"page","link":"https:\/\/www.leakagetester.com\/vi\/standards\/astm-d4991\/","title":{"rendered":"Ti\u00eau chu\u1ea9n ASTMD4991"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"2681\" class=\"elementor elementor-2681\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40854497 e-con-full e-flex e-con e-parent\" data-id=\"40854497\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7b6e2650 e-con-full e-flex e-con e-child\" data-id=\"7b6e2650\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ed62b75 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"1ed62b75\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Ti\u00eau chu\u1ea9n ASTMD4991<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-649c5ca3 e-con-full e-flex e-con e-child\" data-id=\"649c5ca3\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-528d414f elementor-widget elementor-widget-heading\" data-id=\"528d414f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n \u0111\u1ec3 ki\u1ec3m tra r\u00f2 r\u1ec9 c\u1ee7a c\u00e1c th\u00f9ng ch\u1ee9a c\u1ee9ng r\u1ed7ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u00e2n kh\u00f4ng<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4227f1f3 elementor-tablet-align-center elementor-mobile-align-center elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-button\" data-id=\"4227f1f3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/vi\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">y\u00eau c\u1ea7u b\u00e1o gi\u00e1<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7f37671f e-flex e-con-boxed e-con e-parent\" data-id=\"7f37671f\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7479e6a9 e-con-full e-flex e-con e-child\" data-id=\"7479e6a9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c1f01b8 elementor-widget elementor-widget-heading\" data-id=\"2c1f01b8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">T\u00f3m t\u1eaft chu\u1ea9n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7ff4e2 elementor-widget elementor-widget-text-editor\" data-id=\"a7ff4e2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Ti\u00eau chu\u1ea9n ASTMD4991<\/strong> ph\u00e1c th\u1ea3o m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn chu\u1ea9n h\u00f3a \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u00e1c th\u00f9ng ch\u1ee9a c\u1ee9ng r\u1ed7ng trong \u0111i\u1ec1u ki\u1ec7n ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t nh\u01b0 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n c\u00f3 th\u1ec3 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n h\u00e0ng kh\u00f4ng. N\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 th\u1eed nghi\u1ec7m c\u00e1c th\u00f9ng ch\u1ee9a c\u1ee9ng d\u00f9ng \u0111\u1ec3 v\u1eadn chuy\u1ec3n m\u1ed9t s\u1ed1 ch\u1ea5t l\u1ecfng nguy hi\u1ec3m theo Li\u00ean h\u1ee3p qu\u1ed1c<\/p><p>Khuy\u1ebfn ngh\u1ecb v\u1ec1 v\u1eadn chuy\u1ec3n h\u00e0ng h\u00f3a nguy hi\u1ec3m (UN TDG) v\u00e0 H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt c\u1ee7a T\u1ed5 ch\u1ee9c h\u00e0ng kh\u00f4ng d\u00e2n d\u1ee5ng qu\u1ed1c t\u1ebf v\u1ec1 v\u1eadn chuy\u1ec3n an to\u00e0n h\u00e0ng h\u00f3a nguy hi\u1ec3m b\u1eb1ng \u0111\u01b0\u1eddng h\u00e0ng kh\u00f4ng (ICAO TIs)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-58d7dfdf e-con-full e-flex e-con e-child\" data-id=\"58d7dfdf\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4aba77f5 elementor-widget elementor-widget-image\" data-id=\"4aba77f5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.astm.org\/d4991-07r15.html\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"200\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D4991.jpg\" class=\"attachment-medium size-medium wp-image-3026\" alt=\"Ti\u00eau chu\u1ea9n ASTMD4991\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7de8c97 elementor-widget elementor-widget-text-editor\" data-id=\"7de8c97\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t mu\u1ed1n \u0111\u1ea3m b\u1ea3o bao b\u00ec c\u1ee7a h\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng \u0111\u1ebfn -95KPa, ti\u00eau chu\u1ea9n n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00f2 r\u1ec9 c\u1ee7a th\u00f9ng ch\u1ee9a, gi\u00fap \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m kh\u00f4ng b\u1ecb nhi\u1ec5m b\u1ea9n v\u00e0 an to\u00e0n trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-38d9a2dc e-flex e-con-boxed e-con e-parent\" data-id=\"38d9a2dc\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-22b1040c e-con-full e-flex e-con e-child\" data-id=\"22b1040c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c1b4a01 elementor-widget elementor-widget-heading\" data-id=\"2c1b4a01\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">T\u00f3m t\u1eaft ASTM D4991<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dbe846b elementor-widget elementor-widget-text-editor\" data-id=\"2dbe846b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"fontstyle0\">M\u1ed9t th\u00f9ng ch\u1ee9a c\u1ee9ng r\u1ed7ng c\u1ea7n th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c t\u0103ng \u00e1p b\u1eb1ng c\u00e1ch nh\u00fang v\u00e0o dung d\u1ecbch ethylene glycol-n\u01b0\u1edbc trong m\u1ed9t bu\u1ed3ng th\u1eed nghi\u1ec7m trong su\u1ed1t v\u00e0 ch\u1ecbu ch\u00e2n kh\u00f4ng m\u1ed9t ph\u1ea7n t\u0103ng d\u1ea7n. Th\u00f9ng ch\u1ee9a \u0111\u01b0\u1ee3c quan s\u00e1t \u0111\u1ec3 t\u00ecm d\u1ea5u hi\u1ec7u r\u00f2 r\u1ec9, b\u1eb1ng ch\u1ee9ng l\u00e0 c\u00f3 b\u1ecdt kh\u00ed tho\u00e1t ra trong qu\u00e1 tr\u00ecnh gi\u1ea3m \u00e1p ho\u1eb7c ch\u1ea5t l\u1ecfng trong th\u00f9ng ch\u1ee9a sau khi t\u0103ng \u00e1p tr\u1edf l\u1ea1i.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-346b4bef e-con-full e-flex e-con e-child\" data-id=\"346b4bef\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7704d43d elementor-widget elementor-widget-image\" data-id=\"7704d43d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1020\" height=\"657\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/ASTM-D4991-Leak-Tester-1242x800.webp\" class=\"attachment-large size-large wp-image-3716\" alt=\"M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 ASTM D4991\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/ASTM-D4991-Leak-Tester-1242x800.webp 1242w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/ASTM-D4991-Leak-Tester-621x400.webp 621w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/ASTM-D4991-Leak-Tester-768x495.webp 768w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/ASTM-D4991-Leak-Tester-1536x989.webp 1536w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/ASTM-D4991-Leak-Tester-2048x1319.webp 2048w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/ASTM-D4991-Leak-Tester-18x12.webp 18w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 ASTM D4991<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3ae6b8a e-flex e-con-boxed e-con e-parent\" data-id=\"3ae6b8a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8f24e53 e-con-full e-flex e-con e-child\" data-id=\"8f24e53\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6905cde e-con-full e-flex e-con e-child\" data-id=\"6905cde\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-61e733b elementor-widget elementor-widget-heading\" data-id=\"61e733b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">L\u00fd thuy\u1ebft ki\u1ec3m tra<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8704851 elementor-widget elementor-widget-text-editor\" data-id=\"8704851\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"fontstyle0\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ASTM D4991 thi\u1ebft l\u1eadp th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u r\u00f2 r\u1ec9, v\u1edbi gi\u1edbi h\u1ea1n ch\u00eanh l\u1ec7ch kho\u1ea3ng 95 kPa (13,8 psi).<\/span> <\/p><p>Tuy nhi\u00ean, <span class=\"fontstyle0\">ASTM D4991 c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i bao b\u00ec, ch\u1eb3ng h\u1ea1n nh\u01b0 bao b\u00ec c\u00f3 n\u1eafp gi\u1ea5y ni\u00eam phong, v\u00ec ch\u1ea5t l\u1ecfng th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 l\u00e0m bao b\u00ec nhanh h\u1ecfng.<\/span>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a52d762 e-con-full e-flex e-con e-child\" data-id=\"a52d762\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-70322f2 e-con-full e-flex e-con e-child\" data-id=\"70322f2\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-87996ce elementor-widget elementor-widget-image\" data-id=\"87996ce\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"886\" height=\"717\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/Sample-Expansion-In-ASTM-D4991.webp\" class=\"attachment-large size-large wp-image-3725\" alt=\"M\u1edf r\u1ed9ng m\u1eabu trong ASTM D4991\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/Sample-Expansion-In-ASTM-D4991.webp 886w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/Sample-Expansion-In-ASTM-D4991-494x400.webp 494w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/Sample-Expansion-In-ASTM-D4991-768x622.webp 768w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/Sample-Expansion-In-ASTM-D4991-15x12.webp 15w\" sizes=\"(max-width: 886px) 100vw, 886px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">M\u1edf r\u1ed9ng m\u1eabu trong ASTM D4991<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7d2cd95 e-flex e-con-boxed e-con e-parent\" data-id=\"7d2cd95\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-be44f47 e-con-full e-flex e-con e-child\" data-id=\"be44f47\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c47c116 elementor-widget elementor-widget-heading\" data-id=\"c47c116\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">H\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m ASTM D4991<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-169b8b0 elementor-widget elementor-widget-text-editor\" data-id=\"169b8b0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>ASTM D4991 bao g\u1ed3m c\u00e1c b\u1ed9 ph\u1eadn d\u01b0\u1edbi \u0111\u00e2y<\/b><\/p><ol><li>Bu\u1ed3ng ch\u00e2n kh\u00f4ng: M\u1ed9t bu\u1ed3ng k\u00edn <span class=\"fontstyle0\">b\u00ecnh trong su\u1ed1t <\/span>cho ph\u00e9p t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t xung quanh th\u00f9ng ch\u1ee9a \u0111ang \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m, \u0111\u00f3 l\u00e0<span class=\"fontstyle2\"> \u0111\u1ee7 l\u1edbn \u0111\u1ec3 cho ph\u00e9p m\u1eabu th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c nh\u00fang trong ch\u1ea5t l\u1ecfng th\u1eed nghi\u1ec7m v\u1edbi kho\u1ea3ng kh\u00f4ng t\u1ed1i thi\u1ec3u l\u00e0 20 %, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t -1,5 <\/span><span class=\"fontstyle2\">ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t atm.<\/span><b><br \/><\/b><\/li><li>M\u1ed9t thi\u1ebft l\u1eadp ch\u00e2n kh\u00f4ng v\u00e0 hi\u1ec3n th\u1ecb \u0111\u01a1n v\u1ecb \u0111i\u1ec1u khi\u1ec3n, ch\u1eb3ng h\u1ea1n nh\u01b0 Cell Instruments <a href=\"https:\/\/www.leakagetester.com\/vi\/lt-02-leak-tester\/\" target=\"_blank\" rel=\"noopener\">LT-02<\/a> V\u00e0 <a href=\"https:\/\/www.leakagetester.com\/vi\/lt-02-leak-tester\/\" target=\"_blank\" rel=\"noopener\">M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-03<\/a>.<\/li><li><span class=\"fontstyle0\">Bu\u1ed3ng ch\u1ee9a \u0111\u1ea7y dung d\u1ecbch Ethylene Glycol trong n\u01b0\u1edbc, 50 % theo th\u1ec3 t\u00edch <\/span><span class=\"fontstyle2\">\u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t l\u1ecfng th\u1eed nghi\u1ec7m.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5757090 e-con-full e-flex e-con e-child\" data-id=\"5757090\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f8bde17 elementor-widget elementor-widget-image\" data-id=\"f8bde17\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.leakagetester.com\/vi\/tag\/vacuum-leak-tester\/\" target=\"_blank\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"568\" height=\"694\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/LT-02-Leak-Tester-for-ASTM-D4991.webp\" class=\"attachment-large size-large wp-image-3720\" alt=\"M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-02 cho ASTM D4991\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/LT-02-Leak-Tester-for-ASTM-D4991.webp 568w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/LT-02-Leak-Tester-for-ASTM-D4991-327x400.webp 327w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/11\/LT-02-Leak-Tester-for-ASTM-D4991-10x12.webp 10w\" sizes=\"(max-width: 568px) 100vw, 568px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-02 cho ASTM D4991<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9ee25e2 e-flex e-con-boxed e-con e-parent\" data-id=\"9ee25e2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9a921cd e-con-full e-flex e-con e-child\" data-id=\"9a921cd\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5f08225 elementor-widget elementor-widget-heading\" data-id=\"5f08225\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">M\u00f4 t\u1ea3 chi ti\u1ebft v\u1ec1 quy tr\u00ecnh th\u1eed nghi\u1ec7m<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-124480d e-con-full e-flex e-con e-child\" data-id=\"124480d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9c9adad elementor-widget elementor-widget-text-editor\" data-id=\"9c9adad\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"MsoNormal\">Qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m ASTM D4991 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh m\u1ed9t s\u1ed1 b\u01b0\u1edbc ch\u00ednh<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d938f1 elementor-widget elementor-widget-image\" data-id=\"2d938f1\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"582\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/Typical-Test-Setup-for-Leakage-Testing-of-Containers-by-Vacuum-Method.webp\" class=\"attachment-large size-large wp-image-2717\" alt=\"Thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m \u0111i\u1ec3n h\u00ecnh \u0111\u1ec3 ki\u1ec3m tra r\u00f2 r\u1ec9 c\u1ee7a c\u00e1c th\u00f9ng ch\u1ee9a b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u00e2n kh\u00f4ng\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/Typical-Test-Setup-for-Leakage-Testing-of-Containers-by-Vacuum-Method.webp 1379w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/Typical-Test-Setup-for-Leakage-Testing-of-Containers-by-Vacuum-Method-701x400.webp 701w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/Typical-Test-Setup-for-Leakage-Testing-of-Containers-by-Vacuum-Method-768x438.webp 768w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/Typical-Test-Setup-for-Leakage-Testing-of-Containers-by-Vacuum-Method-600x342.webp 600w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m \u0111i\u1ec3n h\u00ecnh \u0111\u1ec3 ki\u1ec3m tra r\u00f2 r\u1ec9 c\u1ee7a c\u00e1c th\u00f9ng ch\u1ee9a b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u00e2n kh\u00f4ng<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e44ced2 e-con-full e-flex e-con e-child\" data-id=\"e44ced2\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-07f7802 elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"07f7802\" data-element_type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">1.\t<b>S\u1ef1 chu\u1ea9n b\u1ecb<\/b>: Nh\u00fang m\u1ed9t ho\u1eb7c nhi\u1ec1u m\u1eabu th\u1eed v\u00e0o dung d\u1ecbch ethylene glycol-n\u01b0\u1edbc b\u00ean trong bu\u1ed3ng th\u1eed trong su\u1ed1t.  <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">2.\t<b>H\u00fat ch\u00e2n kh\u00f4ng bu\u1ed3ng<\/b>: <span>\u0110\u1eady n\u1eafp, \u0111\u1eb7t th\u1eddi gian th\u1eed nghi\u1ec7m tr\u00ean M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-02 ho\u1eb7c LT-03 trong 10 ph\u00fat v\u00e0 m\u1ee5c ti\u00eau ch\u00e2n kh\u00f4ng l\u00e0 -95K<\/span>(13,8 psi). B\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m \u0111\u1ec3 <span>\u0111\u1ed9 ch\u00e2n kh\u00f4ng b\u00ean trong bu\u1ed3ng t\u0103ng ch\u1eadm \u0111\u1ebfn m\u1ee9c ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t l\u00e0 95 kPa (13,8 psi) ho\u1eb7c ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh kh\u00e1c. <\/span><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">3.\t<b>Gi\u1eef ch\u00e2n kh\u00f4ng<\/b>: M\u00e1y th\u1eed s\u1ebd duy tr\u00ec ch\u00e2n kh\u00f4ng trong t\u1ed1i thi\u1ec3u 10 ph\u00fat. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1eabu th\u1eed l\u00e0 bao b\u00ec \u0111\u01a1n l\u1ebb ho\u1eb7c bao b\u00ec k\u1ebft h\u1ee3p to\u00e0n b\u1ed9 ho\u1eb7c m\u1ed9t ph\u1ea7n v\u1eadt li\u1ec7u nh\u1ef1a, duy tr\u00ec ch\u00e2n kh\u00f4ng trong 30 ph\u00fat. Sau \u0111\u00f3, m\u00e1y th\u1eed s\u1ebd nh\u1ea3 ch\u00e2n kh\u00f4ng t\u1eeb t\u1eeb.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">4.\t<b>Ph\u00e2n t\u00edch<\/b>: Gi\u1eef m\u1eabu th\u1eed ng\u00e2m trong \u00edt nh\u1ea5t 30 gi\u00e2y \u1edf \u00e1p su\u1ea5t m\u00f4i tr\u01b0\u1eddng. L\u1ea5y m\u1eabu th\u1eed ra v\u00e0 ki\u1ec3m tra b\u00ean trong xem c\u00f3 ch\u1ea5t l\u1ecfng kh\u00f4ng. <span>R\u00f2 r\u1ec9 \u0111\u01b0\u1ee3c ch\u1ec9 ra b\u1eb1ng d\u00f2ng ch\u1ea3y li\u00ean t\u1ee5c ho\u1eb7c chu\u1ed7i bong b\u00f3ng li\u00ean t\u1ee5c. Ch\u1ea5t l\u1ecfng b\u00ean trong m\u1eabu th\u1eed c\u0169ng l\u00e0 b\u1eb1ng ch\u1ee9ng r\u00f2 r\u1ec9.<\/span><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fed1035 e-flex e-con-boxed e-con e-parent\" data-id=\"fed1035\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7873f87 e-con-full e-flex e-con e-child\" data-id=\"7873f87\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-705671e elementor-widget elementor-widget-heading\" data-id=\"705671e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">S\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 Cell Instruments LT-02 v\u00e0 m\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-03 cho ph\u01b0\u01a1ng ph\u00e1p ASTM D4991\u200b<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57df26b elementor-widget elementor-widget-text-editor\" data-id=\"57df26b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>C\u00e1c <strong>M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 Cell Instruments LT-02 ho\u1eb7c LT-03 <\/strong>l\u00e0 gi\u1ea3i ph\u00e1p th\u1eed nghi\u1ec7m ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho th\u1eed nghi\u1ec7m r\u00f2 r\u1ec9 ch\u00e2n kh\u00f4ng c\u1ee7a c\u00e1c th\u00f9ng ch\u1ee9a c\u1ee9ng r\u1ed7ng. C\u00e1c t\u00ednh n\u0103ng c\u1ee7a n\u00f3 l\u00e0m cho n\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n ASTM D4991.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3384222 e-con-full e-flex e-con e-child\" data-id=\"3384222\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-98550ef elementor-widget__width-initial elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"98550ef\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"https:\/\/www.leakagetester.com\/vi\/lt-02-leak-tester\/\" target=\"_blank\" tabindex=\"-1\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester.webp\" class=\"attachment-full size-full wp-image-2329\" alt=\"M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 ch\u00e2n kh\u00f4ng LT-02\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester.webp 1000w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester-400x400.webp 400w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester-800x800.webp 800w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester-280x280.webp 280w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester-768x768.webp 768w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester-300x300.webp 300w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester-600x600.webp 600w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/LT-02-Vacuum-Leakage-Tester-100x100.webp 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/www.leakagetester.com\/vi\/lt-02-leak-tester\/\" target=\"_blank\">M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-02<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ea7051 elementor-widget__width-initial elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"6ea7051\" data-element_type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"https:\/\/www.leakagetester.com\/vi\/lt-03-leak-tester\/\" target=\"_blank\" tabindex=\"-1\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester.webp\" class=\"attachment-full size-full wp-image-2201\" alt=\"M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 ASTM D3078\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester.webp 1000w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester-400x400.webp 400w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester-800x800.webp 800w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester-280x280.webp 280w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester-768x768.webp 768w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester-300x300.webp 300w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester-600x600.webp 600w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2024\/10\/ASTM-D3078-Leak-Tester-100x100.webp 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/www.leakagetester.com\/vi\/lt-03-leak-tester\/\" target=\"_blank\">M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-03<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-897aaf5 e-flex e-con-boxed e-con e-parent\" data-id=\"897aaf5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23d08cc elementor-widget elementor-widget-heading\" data-id=\"23d08cc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">T\u1ea1i sao l\u1ea1i l\u00e0 LT-02 v\u00e0 LT-03?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c84b6f9 e-flex e-con-boxed e-con e-parent\" data-id=\"c84b6f9\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-65286002 e-con-full e-flex e-con e-child\" data-id=\"65286002\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-73b878b8 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"73b878b8\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tQuy tr\u00ecnh ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tNg\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n thi\u1ebft l\u1eadp m\u1ee5c ti\u00eau ch\u00e2n kh\u00f4ng v\u00e0 duy tr\u00ec th\u1eddi gian. Nh\u1ea5n B\u1eaft \u0111\u1ea7u v\u00e0 sau th\u1eddi gian ch\u00e2n kh\u00f4ng, n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng gi\u1ea3i ph\u00f3ng \u00e1p su\u1ea5t.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5074c1e5 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"5074c1e5\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tCh\u00e2n kh\u00f4ng \u1ed5n \u0111\u1ecbnh\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tH\u1ec7 th\u1ed1ng s\u1ebd b\u00f9 tr\u1ef1c ti\u1ebfp \u0111\u1ed9 ch\u00e2n kh\u00f4ng gi\u1ea3m n\u1ebfu m\u1eabu b\u1ecb r\u00f2 r\u1ec9 v\u00e0 bi\u1ebfn d\u1ea1ng nh\u1ecf.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28d7c9f3 elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"28d7c9f3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tL\u01b0u tham s\u1ed1 th\u1eed nghi\u1ec7m\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m kh\u00e1c nhau v\u1ec1 th\u1eddi gian th\u1eed nghi\u1ec7m v\u00e0 m\u1ee9c ch\u00e2n kh\u00f4ng, M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-03 cung c\u1ea5p ch\u1ee9c n\u0103ng l\u01b0u tham s\u1ed1 \u0111\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian v\u1eadn h\u00e0nh.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-75d00f67 e-con-full e-flex e-con e-parent\" data-id=\"75d00f67\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d8146b5 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"6d8146b5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u00dd ngh\u0129a c\u1ee7a Ti\u00eau chu\u1ea9n ASTM D4991<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68472fc8 elementor-widget__width-initial elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"68472fc8\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">T\u1ea7m quan tr\u1ecdng c\u1ee7a ASTM D4991 m\u1edf r\u1ed9ng tr\u00ean nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau v\u00ec m\u1ed9t s\u1ed1 l\u00fd do quan tr\u1ecdng:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1265644e e-con-full e-flex e-con e-child\" data-id=\"1265644e\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-714ec7e4 e-con-full e-flex e-con e-child\" data-id=\"714ec7e4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4781572a animated-slow elementor-widget-divider--view-line elementor-invisible elementor-widget elementor-widget-divider\" data-id=\"4781572a\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6abfe49 elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"6abfe49\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\t\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t\u0110\u1ea3m b\u1ea3o c\u00e1c th\u00f9ng ch\u1ee9a r\u1ed7ng c\u00f3 kh\u1ea3 n\u0103ng duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n, ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m ho\u1eb7c th\u1ea5t tho\u00e1t s\u1ea3n ph\u1ea9m.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-67ace7a1 e-con-full e-flex e-con e-child\" data-id=\"67ace7a1\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40a1144c animated-slow elementor-widget-divider--view-line elementor-invisible elementor-widget elementor-widget-divider\" data-id=\"40a1144c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e05bf76 elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"5e05bf76\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:&quot;200&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tTu\u00e2n th\u1ee7 quy \u0111\u1ecbnh\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tNhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh \u0111\u00f3ng g\u00f3i nghi\u00eam ng\u1eb7t. ASTM D4991 gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ee9ng minh vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y.\n\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-347f2ce5 e-con-full e-flex e-con e-child\" data-id=\"347f2ce5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64493df2 animated-slow elementor-widget-divider--view-line elementor-invisible elementor-widget elementor-widget-divider\" data-id=\"64493df2\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2124fca0 elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"2124fca0\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:&quot;400&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tTi\u1ebft ki\u1ec7m chi ph\u00ed\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tVi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c r\u00f2 r\u1ec9 ti\u1ec1m \u1ea9n trong giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 chi ph\u00ed li\u00ean quan \u0111\u1ebfn vi\u1ec7c thu h\u1ed3i s\u1ea3n ph\u1ea9m, tr\u1ea3 l\u1ea1i v\u00e0 gi\u1ea3i quy\u1ebft s\u1ef1 kh\u00f4ng h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng.\n\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-531821a e-con-full e-flex e-con e-child\" data-id=\"531821a\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-96dc5ed animated-slow elementor-widget-divider--view-line elementor-invisible elementor-widget elementor-widget-divider\" data-id=\"96dc5ed\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63e7d54 elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"63e7d54\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:&quot;400&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\t\u0110\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c n\u00e2ng cao\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tVi\u1ec7c th\u1eed nghi\u1ec7m th\u01b0\u1eddng xuy\u00ean theo ti\u00eau chu\u1ea9n ASTM D4991 gi\u00fap n\u00e2ng cao \u0111\u1ed9 tin c\u1eady t\u1ed5ng th\u1ec3 c\u1ee7a bao b\u00ec, t\u1eeb \u0111\u00f3 t\u0103ng th\u00eam l\u00f2ng tin c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng v\u00e0o s\u1ea3n ph\u1ea9m.\n\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-563ef868 e-con-full e-flex e-con e-parent\" data-id=\"563ef868\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a7ad6cf elementor-widget elementor-widget-heading\" data-id=\"6a7ad6cf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 ASTM D4991<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7333fe2d e-con-full e-flex e-con e-child\" data-id=\"7333fe2d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-553bdba7 elementor-widget__width-inherit elementor-widget elementor-widget-toggle\" data-id=\"553bdba7\" data-element_type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h4 id=\"elementor-tab-title-1421\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1421\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">ASTM D4991 l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c th\u00f9ng ch\u1ee9a c\u1ee9ng r\u1ed7ng?<\/a>\n\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1421\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1421\"><p>ASTM D4991 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 r\u00f2 r\u1ec9 c\u1ee7a c\u00e1c th\u00f9ng ch\u1ee9a c\u1ee9ng r\u1ed7ng trong \u0111i\u1ec1u ki\u1ec7n ch\u00e2n kh\u00f4ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c th\u00f9ng ch\u1ee9a c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n v\u00e0 b\u1ea3o v\u1ec7 h\u00e0ng h\u00f3a b\u00ean trong kh\u1ecfi b\u1ecb nhi\u1ec5m b\u1ea9n trong qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h4 id=\"elementor-tab-title-1422\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1422\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Th\u1eed nghi\u1ec7m r\u00f2 r\u1ec9 ch\u00e2n kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 th\u1ebf n\u00e0o theo ti\u00eau chu\u1ea9n ASTM D4991?<\/a>\n\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1422\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1422\"><p>Th\u1eed nghi\u1ec7m n\u00e0y bao g\u1ed3m vi\u1ec7c \u0111\u1eb7t m\u1ed9t th\u00f9ng ch\u1ee9a c\u1ee9ng r\u1ed7ng v\u00e0o bu\u1ed3ng ch\u00e2n kh\u00f4ng, t\u1ea1o \u00e1p l\u1ef1c ch\u00e2n kh\u00f4ng v\u00e0 theo d\u00f5i m\u1ecdi d\u1ea5u hi\u1ec7u r\u00f2 r\u1ec9 ho\u1eb7c h\u1ecfng h\u00f3c v\u1ec1 m\u1eb7t c\u1ea5u tr\u00fac.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h4 id=\"elementor-tab-title-1423\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1423\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Nh\u1eefng lo\u1ea1i th\u00f9ng ch\u1ee9a n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D4991?<\/a>\n\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1423\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1423\"><p>Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i th\u00f9ng ch\u1ee9a c\u1ee9ng r\u1ed7ng kh\u00e1c nhau, nh\u01b0ng kh\u00f4ng \u00e1p d\u1ee5ng <span class=\"fontstyle0\">ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i bao b\u00ec, ch\u1eb3ng h\u1ea1n nh\u01b0 bao b\u00ec c\u00f3 n\u1eafp gi\u1ea5y ni\u00eam phong, trong \u0111\u00f3 ch\u1ea5t l\u1ecfng th\u1eed nghi\u1ec7m c\u00f3 th\u1ec3 l\u00e0m bao b\u00ec nhanh h\u1ecfng.<\/span>\u00a0<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44fd9605 elementor-widget__width-inherit elementor-widget elementor-widget-toggle\" data-id=\"44fd9605\" data-element_type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h4 id=\"elementor-tab-title-1151\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1151\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">T\u00f4i n\u00ean c\u00e2n nh\u1eafc nh\u1eefng g\u00ec khi chu\u1ea9n b\u1ecb cho th\u1eed nghi\u1ec7m ASTM D4991?<\/a>\n\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1151\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1151\"><p>\u0110\u1ea3m b\u1ea3o th\u00f9ng ch\u1ee9a s\u1ea1ch s\u1ebd v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eady k\u00edn \u0111\u00fang c\u00e1ch, m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h4 id=\"elementor-tab-title-1152\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1152\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">L\u00e0m th\u1ebf n\u00e0o t\u00f4i c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ASTM D4991 trong thi\u1ebft k\u1ebf bao b\u00ec c\u1ee7a m\u00ecnh?<\/a>\n\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1152\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1152\"><p>Th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m th\u01b0\u1eddng xuy\u00ean trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t, s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c k\u1ef9 s\u01b0 \u0111\u00f3ng g\u00f3i c\u00f3 kinh nghi\u1ec7m v\u1ec1 ti\u00eau chu\u1ea9n ASTM.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h4 id=\"elementor-tab-title-1153\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1153\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m ASTM D4991 l\u00e0 g\u00ec?<\/a>\n\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1153\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1153\"><p>C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p bao g\u1ed3m vi\u1ec7c ni\u00eam phong th\u00f9ng ch\u1ee9a kh\u00f4ng \u0111\u00fang c\u00e1ch, thi\u1ebft b\u1ecb tr\u1ee5c tr\u1eb7c ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng, ch\u00e2n kh\u00f4ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m kh\u00f4ng ch\u00ednh x\u00e1c.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3a2b679a e-flex e-con-boxed e-con e-parent\" data-id=\"3a2b679a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38014124 elementor-widget elementor-widget-heading\" data-id=\"38014124\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">B\u1ea1n \u0111ang t\u00ecm thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 ASTM D4991 \u0111\u00e1ng tin c\u1eady?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53b530f2 elementor-widget elementor-widget-text-editor\" data-id=\"53b530f2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0\u0110\u1eebng b\u1ecf l\u1ee1 c\u01a1 h\u1ed9i t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n b\u1eb1ng thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d0c06b6 elementor-mobile-align-center elementor-align-center elementor-widget elementor-widget-button\" data-id=\"5d0c06b6\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/vi\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6021db4e e-flex e-con-boxed e-con e-parent\" data-id=\"6021db4e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-474e3b4e elementor-widget elementor-widget-heading\" data-id=\"474e3b4e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Th\u00f4ng tin li\u00ean quan<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ba2452d elementor-posts__hover-none elementor-grid-2 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-widget elementor-widget-posts\" data-id=\"6ba2452d\" data-element_type=\"widget\" data-settings=\"{&quot;cards_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:80,&quot;sizes&quot;:[]},&quot;cards_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:71,&quot;sizes&quot;:[]},&quot;cards_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:30,&quot;sizes&quot;:[]},&quot;cards_columns&quot;:&quot;2&quot;,&quot;cards_columns_tablet&quot;:&quot;2&quot;,&quot;cards_columns_mobile&quot;:&quot;1&quot;}\" data-widget_type=\"posts.cards\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-cards elementor-grid\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-2554 page type-page status-publish hentry\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h4 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.leakagetester.com\/vi\/standards\/astm-d3078\/\" >\n\t\t\t\tTi\u00eau chu\u1ea9n ASTMD3078\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>ASTM D3078 T\u1ed5ng quan to\u00e0n di\u1ec7n v\u1ec1 \u2013 Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra r\u00f2 r\u1ec9 bao b\u00ec \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t Y\u00eau c\u1ea7u b\u00e1o gi\u00e1 T\u00f3m t\u1eaft ti\u00eau chu\u1ea9n ASTM D3078,<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.leakagetester.com\/vi\/standards\/astm-d3078\/\" aria-label=\"T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 ti\u00eau chu\u1ea9n ASTM D3078\" tabindex=\"-1\" >\n\t\t\t\u0110\u1ecdc th\u00eam\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-2179 post type-post status-publish format-standard hentry category-vacuum-leak-test tag-astm-d3078 tag-astm-d4991 tag-vacuum-leak-tester\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h4 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/www.leakagetester.com\/vi\/lt-03-leak-tester\/\" >\n\t\t\t\tM\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-03\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>M\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-03 l\u00e0 thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 nghi\u00eam ng\u1eb7t t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ni\u00eam phong bao b\u00ec trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. Thi\u1ebft b\u1ecb n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e1c minh r\u1eb1ng bao b\u00ec duy tr\u00ec kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a n\u00f3, do \u0111\u00f3 b\u1ea3o v\u1ec7 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 s\u1ef1 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m. LT-03 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn bao b\u00ec m\u1ec1m nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 th\u00edch \u1ee9ng \u0111\u1ec3 ki\u1ec3m tra c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng m\u1ec1m v\u00e0 c\u1ee9ng th\u00f4ng qua thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh c\u1ee7a n\u00f3.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.leakagetester.com\/vi\/lt-03-leak-tester\/\" aria-label=\"T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 m\u00e1y ki\u1ec3m tra r\u00f2 r\u1ec9 LT-03\" tabindex=\"-1\" >\n\t\t\t\u0110\u1ecdc th\u00eam\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM D4991 Standard Test Method for Leakage Testing of Empty Rigid Containers by Vacuum Method request a quote Standard Summary ASTM D4991 outlines a standardized approach for assessing the integrity of empty rigid containers under differential pressure conditions such as those which can occur during air transport. It is suitable for testing rigid containers intended [&#8230;]","protected":false},"author":1,"featured_media":0,"parent":2112,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-2681","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ASTM D4991 - Leakage Tester<\/title>\n<meta name=\"description\" content=\"Explore ASTM D4991, the standard for leak testing of empty rigid containers under pressure. Ensure container integrity with vacuum leak tests designed for resistance under pressure, leakage testing for rigid bottles, and packaging compliance with safety regulations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.leakagetester.com\/vi\/standards\/astm-d4991\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ensure Packaging Safety with ASTM D4991 Vacuum Leak Testing\" \/>\n<meta property=\"og:description\" content=\"ASTM D4991 provides the essential standard for vacuum leak testing of empty rigid containers. This method tests container resistance under pressure, ensuring product safety and regulatory compliance. 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