{"id":4605,"date":"2026-04-28T13:36:06","date_gmt":"2026-04-28T05:36:06","guid":{"rendered":"https:\/\/www.leakagetester.com\/?page_id=4605"},"modified":"2026-04-28T13:37:42","modified_gmt":"2026-04-28T05:37:42","slug":"usp-381","status":"publish","type":"page","link":"https:\/\/www.leakagetester.com\/cy\/standards\/usp-381\/","title":{"rendered":"USP 381"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"4605\" class=\"elementor elementor-4605\" 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\">USP 381<\/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\"> Caead elastomerig ar gyfer pigiadau<br>Prawf Cynhwysedd Hunan-selio<\/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=\"\/cy\/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\">Gofyn am Ddyfynbris<\/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\">Crynodeb Safonol<\/h2>\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 data-start=\"440\" data-end=\"718\"><strong data-start=\"440\" data-end=\"451\">USP 381<\/strong> yn diffinio'r gofynion perfformiad hanfodol ar gyfer cau elastomerig a ddefnyddir mewn pecynnu fferyllol chwistrelladwy. Rhaid i'r cau hyn\u2014sutynau ffiol yn gyffredin\u2014gadw <strong data-start=\"620\" data-end=\"657\">cywirdeb cau cynhwysydd (CCI)<\/strong> drwy gydol storio, cludiant, a thrywanu dro ar \u00f4l tro \u00e2 nodwydd.<\/p>\n<p data-start=\"720\" data-end=\"973\">Mae'r safon yn canolbwyntio ar <strong data-start=\"744\" data-end=\"770\">dibynadwyedd gweithredol<\/strong>, gan sicrhau bod cau yn atal halogiad a gollyngiadau tra'n cynnal ail-s\u00eal-iadwyedd. I dimau rheoli ansawdd, mae USP 381 yn gweithredu fel meincnod ar gyfer dilysu systemau cau o dan amodau byd go iawn.<\/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\/d3078-02r21e01.html\" target=\"_blank\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"100\" src=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2026\/04\/USP-381.webp\" class=\"attachment-medium size-medium wp-image-4608\" alt=\"USP 381\" srcset=\"https:\/\/www.leakagetester.com\/wp-content\/uploads\/2026\/04\/USP-381.webp 300w, https:\/\/www.leakagetester.com\/wp-content\/uploads\/2026\/04\/USP-381-18x6.webp 18w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\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-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 data-start=\"6004\" data-end=\"6554\">Mae USP 381 yn diffinio gofynion perfformiad ar gyfer cau elastomerig a ddefnyddir mewn pecynnu chwistrelladwy, gan ganolbwyntio ar gywirdeb, ail-seliadwyedd, a gwrthiant i ollyngiadau. Mae'r prif brofion yn cynnwys hunan-s\u00ealio ar \u00f4l tyllu aml a mynediad llifyn glas methylen o dan amodau gwactod. Mae'r gwerthusiadau hyn yn sicrhau bod y cau yn atal halogiad ac yn cynnal di-haintedd drwy gydol cylch oes y cynnyrch. Mae dulliau profi dibynadwy, megis canfod gollyngiadau ar sail gwactod, yn gwella cywirdeb a chydymffurfiaeth, gan gefnogi sicrwydd ansawdd fferyllol a chymeradwyaeth reoleiddiol.<\/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\">Prawf Ymarferoldeb Cau Elastomerig<\/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 data-start=\"1024\" data-end=\"1211\">Mae&#039;r <strong data-start=\"1028\" data-end=\"1071\">Prawf ymarferoldeb cau elastomerig<\/strong> yn gwerthuso a all cauadau wrthsefyll defnydd cyson heb beryglu eu sterileidd-dra. Mae'n cynnwys dulliau gwirio lluosog megis:<\/p>\n<ul data-start=\"1213\" data-end=\"1342\">\n<li data-section-id=\"tiqte5\" data-start=\"1213\" data-end=\"1246\">Gwrthiant i bigiad nodwydd<\/li>\n<li data-section-id=\"snooyk\" data-start=\"1247\" data-end=\"1286\">Y gallu i ail-selio ar \u00f4l treiddiad<\/li>\n<li data-section-id=\"1q1oeiv\" data-start=\"1287\" data-end=\"1342\">Perfformiad didos i ollyngiadau o dan wahaniaethau gwasgedd<\/li>\n<\/ul>\n<p data-start=\"1344\" data-end=\"1534\">Mae'r profion hyn yn efelychu defnydd clinigol lle mae ffiolau'n destun tynnu allan aml. Mae caead cydymffurfiol yn sicrhau <strong data-start=\"1450\" data-end=\"1502\">dim mynediad llygryddion na symudiad cynnwys<\/strong>, hyd yn oed ar \u00f4l tyllu dro ar \u00f4l tro.<\/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-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-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\">Prawf Selio Hunan-gludiog Stopyn Fial<\/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 data-start=\"1576\" data-end=\"1725\">Mae&#039;r <strong data-start=\"1580\" data-end=\"1614\">prawf hunan-selio stopiwr fial<\/strong> Mae'n gydran graidd o USP 381. Mae'n mesur yn uniongyrchol allu'r caead i ail-selio ar \u00f4l tyllu aml.<\/p>\n<h3 data-section-id=\"k0lh0e\" data-start=\"1727\" data-end=\"1754\">Trosolwg o'r Weithdrefn Profi<\/h3>\n<ul data-start=\"1755\" data-end=\"2089\">\n<li data-section-id=\"gicv2d\" data-start=\"1755\" data-end=\"1801\">Llenwch 10 ffiol \u00e2 d\u0175r i'r cyfaint enwol.<\/li>\n<li data-section-id=\"atyex9\" data-start=\"1802\" data-end=\"1839\">Gosod y cauadau a selio \u00e2 chapiau<\/li>\n<li data-section-id=\"eg20aj\" data-start=\"1840\" data-end=\"1934\">Trywaniwch bob cauad <strong data-start=\"1862\" data-end=\"1904\">10 gwaith gan ddefnyddio nodwydd hwpodermig newydd<\/strong>, amrywio lleoliadau tyllu<\/li>\n<li data-section-id=\"1tlazes\" data-start=\"1935\" data-end=\"1988\">Trochi ffiolau mewn <strong data-start=\"1954\" data-end=\"1986\">0.1% hydoddiant glas methylen<\/strong><\/li>\n<li data-section-id=\"1htyiwy\" data-start=\"1989\" data-end=\"2030\">Gwnewch fwcwm (~27 kPa) am 10 munud.<\/li>\n<li data-section-id=\"c9yk9j\" data-start=\"2031\" data-end=\"2089\">Adfer pwysau a chynnal y trochiad am 30 munud<\/li>\n<\/ul>\n<h3 data-section-id=\"1r9v1uk\" data-start=\"2091\" data-end=\"2114\">Meini Prawf Derbyn<\/h3>\n<blockquote data-start=\"2115\" data-end=\"2157\">\n<p data-start=\"2117\" data-end=\"2157\"><strong data-start=\"2117\" data-end=\"2157\">Dim arwydd o liw glas y tu mewn i unrhyw ffiol<\/strong><\/p>\n<\/blockquote>\n<p data-start=\"2159\" data-end=\"2249\">Mae'r gofyniad hwn yn cadarnhau bod cauadau'n cynnal eu cyfanrwydd ar \u00f4l digwyddiadau tyllu dro ar \u00f4l tro.<\/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-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-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-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\">Prawf Cywirdeb Caewyd Elastomerig<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d765a06 elementor-widget elementor-widget-text-editor\" data-id=\"d765a06\" 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 data-start=\"2824\" data-end=\"2960\">Mae&#039;r <strong data-start=\"2828\" data-end=\"2867\">prawf cywirdeb cau elastomerig<\/strong> gwirio bod y system cau yn atal gollyngiadau a halogiad o dan amodau straen.<\/p>\n<p data-start=\"2962\" data-end=\"3006\">Mae dulliau gwerthuso cyffredin yn cynnwys:<\/p>\n<ul data-start=\"3007\" data-end=\"3059\">\n<li data-section-id=\"jhzx6z\" data-start=\"3007\" data-end=\"3023\">Pydredd gwactod<\/li>\n<li data-section-id=\"1dkpu5j\" data-start=\"3024\" data-end=\"3039\">Mewnlif lliw<\/li>\n<li data-section-id=\"s7pmyn\" data-start=\"3040\" data-end=\"3059\">Allyriad swigen<\/li>\n<\/ul>\n<p data-start=\"3061\" data-end=\"3197\">Ymhlith y rhain, mae dulliau gweledol seiliedig ar fwcwm yn darparu <strong data-start=\"3110\" data-end=\"3149\">Canfod gollyngiadau'n uniongyrchol a greddfol<\/strong>, sy'n eu gwneud yn eang eu mabwysiadu mewn labordai QC.<\/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-fd99181 e-con-full e-flex e-con e-child\" data-id=\"fd99181\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7de0ebd elementor-widget elementor-widget-heading\" data-id=\"7de0ebd\" 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\">Sialcau Elastomerig: Cryfder S\u00eal<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49e4be9 elementor-widget elementor-widget-text-editor\" data-id=\"49e4be9\" 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 data-start=\"2300\" data-end=\"2441\">Mae&#039;r <strong data-start=\"2304\" data-end=\"2347\">Cryfder selio caeadau elastomerig fial<\/strong> Adlewyrcha gallu'r caead i gynnal s\u00eal dynn o dan straen mecanyddol a phwysau.<\/p>\n<p data-start=\"2443\" data-end=\"2468\">Mae cryfder sel yn dibynnu ar:<\/p>\n<ul data-start=\"2469\" data-end=\"2578\">\n<li data-section-id=\"2ej4cq\" data-start=\"2469\" data-end=\"2509\">Fformiwleiddio elastomer ac elastigedd<\/li>\n<li data-section-id=\"stp8qh\" data-start=\"2510\" data-end=\"2557\">Gwasgfa rhwng stopiwr a gorffeniad ffiol<\/li>\n<li data-section-id=\"kjdc80\" data-start=\"2558\" data-end=\"2578\">Ansawdd crympio<\/li>\n<\/ul>\n<p data-start=\"2580\" data-end=\"2777\">Mae s\u00eal gadarn yn sicrhau <strong data-start=\"2602\" data-end=\"2646\">sefydlogrwydd hirdymor a diogelwch trafnidiaeth<\/strong>, yn enwedig ar gyfer cyffuriau chwistrelladwy sensitif. Gall selio gwan arwain at ficro-ollwng, gan beryglu lefelau sicrwydd di-haint (SAL).<\/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-54762f0 e-flex e-con-boxed e-con e-parent\" data-id=\"54762f0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-170208e e-con-full e-flex e-con e-child\" data-id=\"170208e\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7812630 e-con-full e-flex e-con e-child\" data-id=\"7812630\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0cd2f44 elementor-widget elementor-widget-heading\" data-id=\"0cd2f44\" 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\">Cywirdeb y Cau ar \u00f4l Tyllu \u00e2 Nadel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53d0c6d elementor-widget elementor-widget-text-editor\" data-id=\"53d0c6d\" 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 data-start=\"3248\" data-end=\"3415\"><strong data-start=\"3248\" data-end=\"3291\">Cywirdeb y cau ar \u00f4l tyllu \u00e2 nodwydd<\/strong> mae'n ofyniad diffiniol yn USP 381. Mae pob tylliad yn cyflwyno llwybr gollwng posibl. Felly, rhaid i gaeadau ddangos:<\/p>\n<ul data-start=\"3417\" data-end=\"3528\">\n<li data-section-id=\"114z2j3\" data-start=\"3417\" data-end=\"3455\">Adferiad elastig ar \u00f4l treiddiad<\/li>\n<li data-section-id=\"1pvmj81\" data-start=\"3456\" data-end=\"3491\">Gwrthiant i rwygo neu graiddio<\/li>\n<li data-section-id=\"q588ho\" data-start=\"3492\" data-end=\"3528\">Perfformiad selio cyson<\/li>\n<\/ul>\n<p data-start=\"3530\" data-end=\"3679\">Mae profion tyllu dychwelol yn efelychu senarios clinigol megis defnyddio ffiolau aml-ddos. Mae methiant yn y cam hwn yn dynodi risg uchel o halogiad.<\/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-4cbe13a elementor-widget elementor-widget-heading\" data-id=\"4cbe13a\" 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\">Prawf Gollyngiadau Glas Methylen<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60e9ebd elementor-widget elementor-widget-text-editor\" data-id=\"60e9ebd\" 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 data-start=\"3715\" data-end=\"3824\">Mae&#039;r <strong data-start=\"3719\" data-end=\"3747\">prawf gollyngiad glas methylen<\/strong> yw dull a gydnabyddir yn eang ar gyfer canfod gollyngiadau mewn systemau cau ffiolau.<\/p>\n<h3 data-section-id=\"1p9gofk\" data-start=\"3826\" data-end=\"3839\">Egwyddor<\/h3>\n<p data-start=\"3840\" data-end=\"3996\">Mae gwahaniaeth pwysedd yn gorfodi'r hydoddiant llifyn i mewn i unrhyw lwybrau gollyngiadau presennol. Os bydd y caead yn methu, mae'r llifyn yn treiddio i'r ffiol ac yn dod yn weladwy.<\/p>\n<h3 data-section-id=\"1l3n95q\" data-start=\"3998\" data-end=\"4012\">Manteision<\/h3>\n<ul data-start=\"4013\" data-end=\"4124\">\n<li data-section-id=\"1jgfk3b\" data-start=\"4013\" data-end=\"4048\">Sensitifrwydd uchel i ficro-ollwngiadau<\/li>\n<li data-section-id=\"nxbsm0\" data-start=\"4049\" data-end=\"4081\">Dehongliad gweledol syml<\/li>\n<li data-section-id=\"1p1j563\" data-start=\"4082\" data-end=\"4124\">Cost-effeithiol a safonol yn eang<\/li>\n<\/ul>\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 class=\"elementor-element elementor-element-de8bc87 elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"de8bc87\" 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\/cy\/lt-03-leak-tester\/\" tabindex=\"-1\"><img fetchpriority=\"high\" 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-full size-full wp-image-3720\" alt=\"LT-02 Profiwr Gollyngiadau ar gyfer 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\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/www.leakagetester.com\/cy\/lt-03-leak-tester\/\">Gweithrediad Ymarferol gyda LT-03<\/a><\/h3><p class=\"elementor-image-box-description\">Mae&#039;r <b>Cell Instruments LT-03 Prawfydd Gollyngiadau<\/b> Gwella'r prawf gollyngiadau glas methylen drwy ddarparu amodau gwactod wedi'u rheoli a gwelededd clir.<br><h4>Mae'r prif fanteision yn cynnwys:<\/h4>\n\u00b7 Cynhyrchu gwactod sefydlog hyd at -90 kPa<br>\n\u00b7 Siambr dryloyw ar gyfer <b>Gwyliadwriaeth swigen amser real<\/b><br>\n\u00b7 System a reolir gan PLC ar gyfer profi ailadroddus<br>\n\u00b7 Meintiau siambr addasadwy ar gyfer gwahanol fformatau fialau<br>\nYn wahanol i osodiadau llaw, mae LT-03 yn sicrhau<b> amodau profi cyson<\/b>, gwella ailadroddadwyedd a chydymffurfiaeth \u00e2 USP 381.<\/p><\/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-df11fd3 e-flex e-con-boxed e-con e-parent\" data-id=\"df11fd3\" 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-f88a6af elementor-widget elementor-widget-heading\" data-id=\"f88a6af\" 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\">Pam fod Profi USP 381 yn Bwysig ar gyfer Sicrhau Ansawdd<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef8d4ef elementor-widget elementor-widget-text-editor\" data-id=\"ef8d4ef\" 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 data-start=\"4735\" data-end=\"4785\">Mae profion USP 381 yn sicrhau bod cau elastomerig:<\/p>\n<ul data-start=\"4786\" data-end=\"4911\">\n<li data-section-id=\"qlbuko\" data-start=\"4786\" data-end=\"4837\">Cynnal di-haintedd drwy gydol cylch oes y cynnyrch<\/li>\n<li data-section-id=\"1kjrby4\" data-start=\"4838\" data-end=\"4873\">Sefyll defnydd clinigol mynych<\/li>\n<li data-section-id=\"wytn3h\" data-start=\"4874\" data-end=\"4911\">Atal halogiad a gollyngiadau<\/li>\n<\/ul>\n<p data-start=\"4913\" data-end=\"5032\">I wneuthurwyr fferyllol a chyflenwyr pecynnu, mae cydymffurfiaeth yn adeiladu <strong data-start=\"4989\" data-end=\"5031\">hyder rheoleiddiol a thrydedd y farchnad<\/strong>.<\/p>\n<p data-start=\"5034\" data-end=\"5095\">Mae integreiddio offer safonol fel yr LT-03 yn galluogi:<\/p>\n<ul data-start=\"5096\" data-end=\"5198\">\n<li data-section-id=\"x1arb\" data-start=\"5096\" data-end=\"5127\">Gwell effeithlonrwydd profi<\/li>\n<li data-section-id=\"pexswy\" data-start=\"5128\" data-end=\"5160\">Amrywiad llai yn yr operator<\/li>\n<li data-section-id=\"1iblxk7\" data-start=\"5161\" data-end=\"5198\">Dogfennaeth ddibynadwy ar gyfer archwiliadau<\/li>\n<\/ul>\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-e54e744 e-flex e-con-boxed e-con e-parent\" data-id=\"e54e744\" 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-2dbd503 elementor-widget elementor-widget-heading\" data-id=\"2dbd503\" 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\">Cwestiynau Cyffredin<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-281f7fe elementor-widget elementor-widget-n-accordion\" data-id=\"281f7fe\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordeon. Agor dolenni gyda Enter neu Space, cau gyda Escape, a llywio gyda&#039;r Allweddi Saeth.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-4200\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-4200\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. Beth yw prif bwrpas USP 381? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4200\" class=\"elementor-element elementor-element-576265d e-con-full e-flex e-con e-child\" data-id=\"576265d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-828db97 elementor-widget elementor-widget-text-editor\" data-id=\"828db97\" 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 data-start=\"5236\" data-end=\"5404\">Mae USP 381 yn sicrhau bod cau elastomerig yn cynnal eu cyfanrwydd, eu hail-seliadwyedd, a'u gwrthiant i ollyngiadau mewn deunydd pacio chwistrelladwy.<\/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<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-4201\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-4201\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. Faint o bigiadau sydd eu hangen yn y prawf hunan-selio? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4201\" class=\"elementor-element elementor-element-2aa4b9e e-con-full e-flex e-con e-child\" data-id=\"2aa4b9e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2fbc638 elementor-widget elementor-widget-text-editor\" data-id=\"2fbc638\" 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 data-start=\"5406\" data-end=\"5557\">Rhaid i bob cau wrthsefyll <strong data-start=\"5501\" data-end=\"5540\">10 p\u1ef3nwr mewn gwahanol leoliadau<\/strong> heb ollyngiadau.<\/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<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-4202\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-4202\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. Pam defnyddir methylen glas mewn profion gollyngiadau? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4202\" class=\"elementor-element elementor-element-1f3dbb9 e-con-full e-flex e-con e-child\" data-id=\"1f3dbb9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0c307be elementor-widget elementor-widget-text-editor\" data-id=\"0c307be\" 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 data-start=\"5559\" data-end=\"5683\">Mae'r cyferbyniad cryf o ran lliw yn gwneud hyd yn oed gollyngiadau bach yn weladwy.<\/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<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-4203\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-4203\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. A yw'r prawf methylen glas yn ddinistriol? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4203\" class=\"elementor-element elementor-element-8728722 e-flex e-con-boxed e-con e-child\" data-id=\"8728722\" 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-1e96c57 elementor-widget elementor-widget-text-editor\" data-id=\"1e96c57\" 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 data-start=\"5685\" data-end=\"5828\">Gall fod <strong data-start=\"5744\" data-end=\"5778\">nad yw'n ddinistriol neu ddinistriol<\/strong>, yn dibynnu ar osodiad y prawf a'r meini prawf derbyn.<\/p>\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\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-4204\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-4204\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 5. Beth sy'n achosi methiant mewn profion cywirdeb cau? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-4204\" class=\"elementor-element elementor-element-52cee8b e-flex e-con-boxed e-con e-child\" data-id=\"52cee8b\" 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-09340ec elementor-widget elementor-widget-text-editor\" data-id=\"09340ec\" 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 data-start=\"5830\" data-end=\"5976\">Mae achosion cyffredin yn cynnwys elastigedd elastomer gwael, crymblio amhriodol, a diffygion yn y deunydd.<\/p>\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\t\t\t<\/details>\n\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\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\">Chwilio am offer dibynadwy i ganfod gollyngiadau USP 381?<\/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 data-start=\"6568\" data-end=\"7016\">Sicrhewch fod eich cau fialau yn cydymffurfio \u00e2 safonau USP 381 drwy brofion dibynadwy a ailadroddadwy. Mae'r Prawfydd Gollyngiadau LT-03 yn darparu rheolaeth gwactod fanwl gywir a chanfyddiad gollyngiadau gweledol clir, gan wneud profion methylen glas yn fwy effeithlon a chydymffurfiol. Optimeiddiwch eich llif gwaith rheoli ansawdd, lleihau amrywioldeb, a dilyswch yn hyderus uniondeb y cau ar \u00f4l tyllu \u00e2 nodwydd. Cysylltwch \u00e2 Cell Instruments heddiw i uwchraddio eich galluoedd profi cau elastomerig.<\/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=\"\/cy\/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\">Cysylltwch \u00e2 ni<\/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\">Gwybodaeth Gysylltiedig<\/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-2253 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\/cy\/lt-02-leak-tester\/\" >\n\t\t\t\tProfwr Gollyngiadau LT-02\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p> Mae&#039;r <strong>Profwr Gollyngiadau LT-02<\/strong> yn ddatrysiad profi gwactod awtomatig perfformiad uchel sydd wedi&#039;i gynllunio&#039;n benodol ar gyfer canfod gollyngiadau mewn pecynnu hyblyg, yn enwedig mewn cymwysiadau lle mae nwy gofod pen yn bresennol. Defnyddir yr offer hwn yn gyffredin mewn diwydiannau bwyd, diod, fferyllol a diwydiannau eraill lle mae dibynadwyedd pecynnu yn hanfodol i gynnal ansawdd y cynnyrch.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.leakagetester.com\/cy\/lt-02-leak-tester\/\" aria-label=\"Read more about LT-02 Leak Tester\" tabindex=\"-1\" >\n\t\t\tDarllen Mwy\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\/cy\/lt-03-leak-tester\/\" >\n\t\t\t\tProfwr Gollyngiadau 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>Mae&#039;r Profwr Gollyngiadau LT-03 yn ddyfais o&#039;r radd flaenaf sydd wedi&#039;i pheiriannu ar gyfer asesiad trylwyr o gyfanrwydd s\u00eal pecyn ar draws amrywiol ddiwydiannau. Mae&#039;r offer hwn yn hanfodol ar gyfer gwirio bod pecynnu yn cynnal ei alluoedd amddiffynnol, a thrwy hynny ddiogelu ansawdd a diogelwch cynnyrch. Mae&#039;r LT-03 yn arbennig o addas ar gyfer cymwysiadau sy&#039;n cynnwys pecynnu hyblyg ond mae hefyd yn addasadwy i brofi deunyddiau anhyblyg ac anhyblyg trwy ei ddyluniad y gellir ei addasu.<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.leakagetester.com\/cy\/lt-03-leak-tester\/\" aria-label=\"Darllenwch fwy am LT-03 y Tester Gollyngiadau\" tabindex=\"-1\" >\n\t\t\tDarllen Mwy\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>USP 381 Cau Elastomerig ar gyfer Pigiadau   Cyfanswm Hunan-selio a Gallu Pwnio   Gofyn am Ddyfynbris   Mae USP 381 yn diffinio'r gofynion perfformiad hanfodol ar gyfer cau elastomerig a ddefnyddir mewn pecynnu fferyllol pigiadwy. Rhaid i'r cau hyn\u2014stopwyr ffiolau yn gyffredin\u2014gadw cywirdeb cau'r cynhwysydd (CCI) drwy gydol storio, cludiant, a phwnio dro ar \u00f4l tro \u00e2 nodwydd. Mae'r safon yn canolbwyntio ar ddibynadwyedd swyddogaethol, gan sicrhau bod y cau yn atal halogiad a [\u2026]","protected":false},"author":2,"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-4605","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>USP 381 | Self-Sealing Capacity Test for Elastomeric Closures<\/title>\n<meta name=\"description\" content=\"USP 381 defines performance requirements for elastomeric closures used in injectable packaging, focusing on integrity, resealability, and resistance to leakage\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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