{"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\/it\/standards\/astm-d4991\/","title":{"rendered":"ASTM D4991"},"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\">ASTM D4991<\/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\">Standard Test Method for Leakage Testing of Empty Rigid Containers by Vacuum Method<\/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=\"\/it\/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\">richiedere un preventivo<\/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\">Riepilogo standard<\/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>ASTM D4991<\/strong> 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 for the transportation of some hazardous liquids in accordance with the United Nations<\/p><p>Recommendations On The Transport Of Dangerous Goods (UN TDG) and the International Civil Aviation Organization Technical Instructions For The Safe Transport Of Dangerous Goods By Air (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=\"ASTM D4991\" \/>\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>This method is critical for manufacturers looking to ensure that their packaging meets quality and safety standards. By utilizing vacuum pressure to -95KPa, this standard evaluates a container&#8217;s resistance to leaks, helping to guarantee that products remain uncontaminated and secure during storage and transport.<\/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\">ASTM D4991 Summary<\/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\">An empty rigid container to be tested is pressurized by immersion in an ethylene glycol-water solution in a transparent test chamber and subjected to a gradually increasing partial vacuum. The container is observed for signs of leakage, as evidenced by escaping air bubbles during depressurization or fluid in the container after re-pressurization.<\/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=\"ASTM D4991 Leak Tester\" 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\">ASTM D4991 Leak Tester<\/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\">Teoria del test<\/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\">The ASTM D4991 test method establishes the point at which leakage commences, with a limit of approximately 95-kPa (13.8-psi) differential.<\/span> <\/p><p>However, <span class=\"fontstyle0\">ASTM D4991 may not be suitable for some packages, such as packages with paper cap seals, where the test fluid may rapidly deteriorate the packaging.<\/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=\"Sample Expansion In 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\">Sample Expansion In 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\">ASTM D4991 Test System<\/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 consists of below parts<\/b><\/p><ol><li>Vacuum Chamber: A sealed <span class=\"fontstyle0\">transparent vessel <\/span>that allows for the creation of a controlled vacuum environment around the container being tested, which is<span class=\"fontstyle2\"> large enough to permit the test specimen(s) to be immersed in the test fluid with a minimum headspace of 20 %, capable of withstanding at least -1.5 <\/span><span class=\"fontstyle2\">atm pressure differential.<\/span><b><br \/><\/b><\/li><li>A vacuum setting and displaying control unit, such as Cell Instruments <a href=\"https:\/\/www.leakagetester.com\/it\/lt-02-leak-tester\/\" target=\"_blank\" rel=\"noopener\">LT-02<\/a> e <a href=\"https:\/\/www.leakagetester.com\/it\/lt-02-leak-tester\/\" target=\"_blank\" rel=\"noopener\">LT-03 Tester di tenuta<\/a>.<\/li><li><span class=\"fontstyle0\">The chamber is filled with a Solution of Ethylene Glycol in Water, 50 % by Volume <\/span><span class=\"fontstyle2\">for use as a test fluid.<\/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\/it\/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=\"LT-02 Leak Tester for 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\">LT-02 Leak Tester for 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\">Descrizione dettagliata del processo di test<\/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\">The testing process for ASTM D4991 can be broken down into several key steps<\/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=\"Typical Test Setup for Leakage Testing of Containers by Vacuum Method\" 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\">Typical Test Setup for Leakage Testing of Containers by Vacuum Method<\/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>Preparazione<\/b>: Immerse one or more test specimens in the ethylene glycol-water solution inside the transparent test chamber.  <\/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>Vacuumize the Chamber<\/b>: <span>Seal the lid, set the test time on LT-02 or LT-03 Leak Tester for 10 minutes and target vacuum to -95K<\/span>(13.8 psi). Start the test so the <span>vacuum inside chamber rises slowly to a pressure differential of 95 kPa (13.8 psi), or other specified pressure differential. <\/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>Vacuum Holding<\/b>: Tester will maintain the vacuum for a minimum of 10 min. For test specimens which are single packagings or combination packagings in whole or part of plastic material, maintain the vacuum for 30 min. Then tester will release the vacuum slowly.<\/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>Analysis<\/b>: Keep the test specimen(s) immersed for at least 30s at ambient pressure. Remove the test specimen(s) and examine the inside for fluid. <span>Leakage is indicated by a continuous stream or recurring succession of bubbles. Fluid within the test specimen is also evidence of leakage.<\/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\">Using Cell Instruments LT-02 Leak Tester and LT-03 Leak Tester for ASTM D4991 Method\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>Il <strong>Cell Instruments LT-02 or LT-03 Leak Tester <\/strong>is an advanced testing solution specifically designed for vacuum leak testing of empty rigid containers. Its features make it particularly suitable for ASTM D4991 compliance.<\/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\/it\/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=\"LT-02 Tester per perdite di vuoto\" 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\/it\/lt-02-leak-tester\/\" target=\"_blank\">LT-02 Tester di tenuta<\/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\/it\/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=\"Tester di tenuta 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\/it\/lt-03-leak-tester\/\" target=\"_blank\">LT-03 Tester di tenuta<\/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\">Why LT-02 and 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\tAutomatic Test Process\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\tThe user just needs to set the target vacuum and maintain time. Press Start and after vacuum duration, it releases pressure automatically.\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\tStablized Vacuum\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\tA drop in vacuum will be compensated by the system directly if there is a minor leak and deformation of the sample.\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\tTest Parameter Saving\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\tFor users who have different test conditions in test time and vacuum level, LT-03 Leak Tester provides a parameter-saving function to save operation time.\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\">Significance of ASTM D4991 Standard<\/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\">The significance of ASTM D4991 extends across various industries for several critical reasons:<\/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\tQuality Assurance\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\tEnsures that empty containers are capable of maintaining their integrity, preventing contamination or product loss.\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\tConformit\u00e0 normativa\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\tMany industries are required to comply with stringent packaging regulations. ASTM D4991 helps manufacturers demonstrate adherence to these standards.\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\tCost Savings\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\tIdentifying potential leaks during the production phase can save significant costs related to product recalls, returns, and customer dissatisfaction.\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\tEnhanced Product Reliability\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\tRegular testing using ASTM D4991 enhances the overall reliability of packaging, leading to increased consumer trust in the products.\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\">FAQ about 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\">What is ASTM D4991, and why is it important for empty rigid containers?<\/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 is a standardized method for testing the leakage of empty rigid containers under vacuum. It is essential for ensuring that containers can maintain their integrity and protect contents from contamination during storage and transport.<\/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\">How is the vacuum leak test conducted according to 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>The test involves placing an empty rigid container in a vacuum chamber, applying a vacuum, and monitoring for any signs of leaks or structural failure.<\/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\">What types of containers can be tested under 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>The standard applies to various empty rigid containers, but it is not <span class=\"fontstyle0\">suitable for some packages, such as packages with paper cap seals, where the test fluid may rapidly deteriorate the packaging.<\/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\">What should I consider when preparing for an ASTM D4991 test?<\/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>Ensure the container is clean and properly sealed, the testing environment is controlled, and all equipment is calibrated to ensure accurate results.<\/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\">How can I ensure compliance with ASTM D4991 in my packaging design?<\/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>Eseguite test regolari durante le fasi di progettazione e produzione, utilizzate materiali di alta qualit\u00e0 e collaborate con ingegneri dell'imballaggio esperti negli standard 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\">What are common issues encountered during ASTM D4991 testing?<\/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>Common issues include improper sealing of containers, equipment malfunction, or external factors affecting vacuum pressure, unstable vacuum, which can lead to inaccurate test results.<\/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\">Looking for reliable ASTM D4991 leak detection equipment?<\/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>\u00a0Non perdete l'occasione di ottimizzare i vostri processi di controllo qualit\u00e0 con attrezzature all'avanguardia.<\/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=\"\/it\/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\">Contattateci<\/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\">Informazioni correlate<\/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\/it\/standards\/astm-d3078\/\" >\n\t\t\t\tASTM D3078\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 Panoramica completa - Il metodo pi\u00f9 utilizzato per le prove di tenuta delle confezioni Richiedi un preventivo Riassunto della norma ASTM D3078,<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.leakagetester.com\/it\/standards\/astm-d3078\/\" aria-label=\"Read more about ASTM D3078\" tabindex=\"-1\" >\n\t\t\tPer saperne di pi\u00f9\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\/it\/lt-03-leak-tester\/\" >\n\t\t\t\tLT-03 Tester di tenuta\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Il tester di tenuta LT-03 \u00e8 un dispositivo all'avanguardia progettato per una valutazione rigorosa dell'integrit\u00e0 della tenuta delle confezioni in diversi settori industriali. Questa apparecchiatura \u00e8 fondamentale per verificare che l'imballaggio mantenga le sue capacit\u00e0 protettive, salvaguardando cos\u00ec la qualit\u00e0 e la sicurezza del prodotto. L'LT-03 \u00e8 particolarmente adatto per le applicazioni che coinvolgono gli imballaggi flessibili, ma \u00e8 anche adattabile per testare materiali non flessibili e rigidi grazie al suo design personalizzabile.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.leakagetester.com\/it\/lt-03-leak-tester\/\" aria-label=\"Read more about LT-03 Leak Tester\" tabindex=\"-1\" >\n\t\t\tPer saperne di pi\u00f9\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. 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