{"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\/dz\/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\"> Elastomeric Closure for Injections<br>Self-Sealing Capacity Test<\/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=\"\/dz\/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\">\u0f42\u0f7c\u0f44\u0f0b\u0f5a\u0f51\u0f0b\u0f5e\u0f74\u0f0b\u0f56\u0f0d<\/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\">\u0f5a\u0f51\u0f0b\u0f63\u0fa1\u0f53\u0f0b\u0f42\u0f53\u0f51\u0f0b\u0f56\u0f66\u0fa1\u0f74\u0f66\u0f0d<\/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> defines the critical performance requirements for elastomeric closures used in injectable pharmaceutical packaging. These closures\u2014commonly vial stoppers\u2014must maintain <strong data-start=\"620\" data-end=\"657\">container closure integrity (CCI)<\/strong> throughout storage, transport, and repeated needle puncture.<\/p>\n<p data-start=\"720\" data-end=\"973\">The standard focuses on <strong data-start=\"744\" data-end=\"770\">functional reliability<\/strong>, ensuring closures prevent contamination and leakage while maintaining resealability. For quality control teams, USP 381 serves as a benchmark for validating closure systems under real-world conditions.<\/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\">USP 381 defines performance requirements for elastomeric closures used in injectable packaging, focusing on integrity, resealability, and resistance to leakage. Key tests include self-sealing after multiple punctures and methylene blue dye ingress under vacuum conditions. These evaluations ensure closures prevent contamination and maintain sterility throughout the product lifecycle. Reliable testing methods, such as vacuum-based leak detection, improve accuracy and compliance, supporting pharmaceutical quality assurance and regulatory approval.<\/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\">Elastomeric Closures Functionality Test<\/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\">\u0f5a\u0f72\u0f42\u0f0c\u0f55\u0fb2\u0f51 <strong data-start=\"1028\" data-end=\"1071\">elastomeric closures functionality test<\/strong> evaluates whether closures can withstand repeated use without compromising sterility. It includes multiple verification approaches such as:<\/p>\n<ul data-start=\"1213\" data-end=\"1342\">\n<li data-section-id=\"tiqte5\" data-start=\"1213\" data-end=\"1246\">Resistance to needle puncture<\/li>\n<li data-section-id=\"snooyk\" data-start=\"1247\" data-end=\"1286\">Ability to reseal after penetration<\/li>\n<li data-section-id=\"1q1oeiv\" data-start=\"1287\" data-end=\"1342\">Leak-tight performance under pressure differentials<\/li>\n<\/ul>\n<p data-start=\"1344\" data-end=\"1534\">These tests simulate clinical usage where vials undergo multiple withdrawals. A compliant closure ensures <strong data-start=\"1450\" data-end=\"1502\">no ingress of contaminants or egress of contents<\/strong>, even after repeated punctures.<\/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\">Vial Stopper Self Sealing 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 data-start=\"1576\" data-end=\"1725\">\u0f5a\u0f72\u0f42\u0f0c\u0f55\u0fb2\u0f51 <strong data-start=\"1580\" data-end=\"1614\">vial stopper self sealing test<\/strong> is a core component of USP 381. It directly measures the closure\u2019s ability to reseal after multiple punctures.<\/p>\n<h3 data-section-id=\"k0lh0e\" data-start=\"1727\" data-end=\"1754\">Test Procedure Overview<\/h3>\n<ul data-start=\"1755\" data-end=\"2089\">\n<li data-section-id=\"gicv2d\" data-start=\"1755\" data-end=\"1801\">Fill 10 vials with water to nominal volume<\/li>\n<li data-section-id=\"atyex9\" data-start=\"1802\" data-end=\"1839\">Apply closures and seal with caps<\/li>\n<li data-section-id=\"eg20aj\" data-start=\"1840\" data-end=\"1934\">Pierce each closure <strong data-start=\"1862\" data-end=\"1904\">10 times using a new hypodermic needle<\/strong>, varying puncture locations<\/li>\n<li data-section-id=\"1tlazes\" data-start=\"1935\" data-end=\"1988\">Immerse vials in <strong data-start=\"1954\" data-end=\"1986\">0.1% methylene blue solution<\/strong><\/li>\n<li data-section-id=\"1htyiwy\" data-start=\"1989\" data-end=\"2030\">Apply vacuum (~27 kPa) for 10 minutes<\/li>\n<li data-section-id=\"c9yk9j\" data-start=\"2031\" data-end=\"2089\">Restore pressure and maintain immersion for 30 minutes<\/li>\n<\/ul>\n<h3 data-section-id=\"1r9v1uk\" data-start=\"2091\" data-end=\"2114\">Acceptance Criteria<\/h3>\n<blockquote data-start=\"2115\" data-end=\"2157\">\n<p data-start=\"2117\" data-end=\"2157\"><strong data-start=\"2117\" data-end=\"2157\">No trace of blue dye inside any vial<\/strong><\/p>\n<\/blockquote>\n<p data-start=\"2159\" data-end=\"2249\">This requirement confirms that closures maintain integrity after repeated puncture events.<\/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\">Elastomeric Closures Integrity Test<\/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\">\u0f5a\u0f72\u0f42\u0f0c\u0f55\u0fb2\u0f51 <strong data-start=\"2828\" data-end=\"2867\">elastomeric closures integrity test<\/strong> verifies that the closure system prevents leakage and contamination under stress conditions.<\/p>\n<p data-start=\"2962\" data-end=\"3006\">Common integrity evaluation methods include:<\/p>\n<ul data-start=\"3007\" data-end=\"3059\">\n<li data-section-id=\"jhzx6z\" data-start=\"3007\" data-end=\"3023\">\u0f66\u0f9f\u0f7c\u0f44\u0f0b\u0f46\u0f60\u0f72\u0f0b\u0f49\u0f58\u0f66\u0f0b\u0f62\u0f92\u0f74\u0f51\u0f0d<\/li>\n<li data-section-id=\"1dkpu5j\" data-start=\"3024\" data-end=\"3039\">Dye ingress<\/li>\n<li data-section-id=\"s7pmyn\" data-start=\"3040\" data-end=\"3059\">\u0f56\u0f74\u0f58\u0f0b\u0f54\u0f60\u0f72\u0f0b\u0f50\u0f7c\u0f53\u0f0b\u0f66\u0f90\u0fb1\u0f7a\u0f51\u0f0d<\/li>\n<\/ul>\n<p data-start=\"3061\" data-end=\"3197\">Among these, visual vacuum-based methods provide <strong data-start=\"3110\" data-end=\"3149\">direct and intuitive leak detection<\/strong>, making them widely adopted in QC laboratories.<\/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\">Vial Elastomeric Closures Seal Strength<\/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\">\u0f5a\u0f72\u0f42\u0f0c\u0f55\u0fb2\u0f51 <strong data-start=\"2304\" data-end=\"2347\">vial elastomeric closures seal strength<\/strong> reflects the closure\u2019s ability to maintain a tight seal under mechanical and pressure stress.<\/p>\n<p data-start=\"2443\" data-end=\"2468\">Seal strength depends on:<\/p>\n<ul data-start=\"2469\" data-end=\"2578\">\n<li data-section-id=\"2ej4cq\" data-start=\"2469\" data-end=\"2509\">Elastomer formulation and elasticity<\/li>\n<li data-section-id=\"stp8qh\" data-start=\"2510\" data-end=\"2557\">Compression between stopper and vial finish<\/li>\n<li data-section-id=\"kjdc80\" data-start=\"2558\" data-end=\"2578\">Crimping quality<\/li>\n<\/ul>\n<p data-start=\"2580\" data-end=\"2777\">A robust seal ensures <strong data-start=\"2602\" data-end=\"2646\">long-term stability and transport safety<\/strong>, especially for sensitive injectable drugs. Weak sealing may lead to micro-leakage, compromising sterility assurance levels (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\">Closure Integrity After Needle Puncture<\/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\">Closure integrity after needle puncture<\/strong> is a defining requirement in USP 381. Each puncture introduces a potential leak path. Therefore, closures must demonstrate:<\/p>\n<ul data-start=\"3417\" data-end=\"3528\">\n<li data-section-id=\"114z2j3\" data-start=\"3417\" data-end=\"3455\">Elastic recovery after penetration<\/li>\n<li data-section-id=\"1pvmj81\" data-start=\"3456\" data-end=\"3491\">Resistance to tearing or coring<\/li>\n<li data-section-id=\"q588ho\" data-start=\"3492\" data-end=\"3528\">Consistent resealing performance<\/li>\n<\/ul>\n<p data-start=\"3530\" data-end=\"3679\">Repeated puncture testing simulates clinical scenarios such as multi-dose vial usage. A failure in this stage indicates a high risk of contamination.<\/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\">Methylene Blue Leak Test<\/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\">\u0f5a\u0f72\u0f42\u0f0c\u0f55\u0fb2\u0f51 <strong data-start=\"3719\" data-end=\"3747\">methylene blue leak test<\/strong> is a widely recognized method for detecting leakage in vial closure systems.<\/p>\n<h3 data-section-id=\"1p9gofk\" data-start=\"3826\" data-end=\"3839\">Principle<\/h3>\n<p data-start=\"3840\" data-end=\"3996\">A pressure differential forces dye solution into any existing leak paths. If the closure fails, the dye penetrates the vial and becomes visually detectable.<\/p>\n<h3 data-section-id=\"1l3n95q\" data-start=\"3998\" data-end=\"4012\">Advantages<\/h3>\n<ul data-start=\"4013\" data-end=\"4124\">\n<li data-section-id=\"1jgfk3b\" data-start=\"4013\" data-end=\"4048\">High sensitivity to micro-leaks<\/li>\n<li data-section-id=\"nxbsm0\" data-start=\"4049\" data-end=\"4081\">Simple visual interpretation<\/li>\n<li data-section-id=\"1p1j563\" data-start=\"4082\" data-end=\"4124\">Cost-effective and widely standardized<\/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\/dz\/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 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\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\"><a href=\"https:\/\/www.leakagetester.com\/dz\/lt-03-leak-tester\/\">Practical Implementation with LT-03<\/a><\/h3><p class=\"elementor-image-box-description\">\u0f5a\u0f72\u0f42\u0f0c\u0f55\u0fb2\u0f51 <b>Cell Instruments LT-03 Leak Tester<\/b> enhances the methylene blue leak test by providing controlled vacuum conditions and clear visualization.<br><h4>Key benefits include:<\/h4>\n\u00b7 Stable vacuum generation up to -90 kPa<br>\n\u00b7 Transparent chamber for <b>real-time bubble observation<\/b><br>\n\u00b7 PLC-controlled system for repeatable testing<br>\n\u00b7 Customizable chamber sizes for different vial formats<br>\nUnlike manual setups, LT-03 ensures<b> consistent test conditions<\/b>, improving repeatability and compliance with 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\">Why USP 381 Testing Matters for Quality Assurance<\/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\">USP 381 testing ensures that elastomeric closures:<\/p>\n<ul data-start=\"4786\" data-end=\"4911\">\n<li data-section-id=\"qlbuko\" data-start=\"4786\" data-end=\"4837\">Maintain sterility throughout product lifecycle<\/li>\n<li data-section-id=\"1kjrby4\" data-start=\"4838\" data-end=\"4873\">Withstand repeated clinical use<\/li>\n<li data-section-id=\"wytn3h\" data-start=\"4874\" data-end=\"4911\">Prevent contamination and leakage<\/li>\n<\/ul>\n<p data-start=\"4913\" data-end=\"5032\">For pharmaceutical manufacturers and packaging suppliers, compliance builds <strong data-start=\"4989\" data-end=\"5031\">regulatory confidence and market trust<\/strong>.<\/p>\n<p data-start=\"5034\" data-end=\"5095\">Integrating standardized equipment such as the LT-03 enables:<\/p>\n<ul data-start=\"5096\" data-end=\"5198\">\n<li data-section-id=\"x1arb\" data-start=\"5096\" data-end=\"5127\">Improved testing efficiency<\/li>\n<li data-section-id=\"pexswy\" data-start=\"5128\" data-end=\"5160\">Reduced operator variability<\/li>\n<li data-section-id=\"1iblxk7\" data-start=\"5161\" data-end=\"5198\">Reliable documentation for audits<\/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\">\u0f51\u0fb2\u0f72\u0f0b\u0f56\u0f0d<\/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=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\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. What is the main purpose of 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\">USP 381 ensures elastomeric closures maintain integrity, resealability, and resistance to leakage in injectable packaging.<\/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. How many punctures are required in the self-sealing test? <\/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\">Each closure must withstand <strong data-start=\"5501\" data-end=\"5540\">10 punctures at different locations<\/strong> without leakage.<\/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. Why is methylene blue used in leak testing? <\/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\">Its strong color contrast makes even minor leakage visually detectable.<\/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. Is the methylene blue test destructive? <\/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\">It can be <strong data-start=\"5744\" data-end=\"5778\">non-destructive or destructive<\/strong>, depending on test setup and acceptance criteria.<\/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. What causes failure in closure integrity tests? <\/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\">Common causes include poor elastomer elasticity, improper crimping, and material defects.<\/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\">Looking for reliable USP 381 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 data-start=\"6568\" data-end=\"7016\">Ensure your vial closures meet USP 381 standards with reliable and repeatable testing. The LT-03 Leak Tester delivers precise vacuum control and clear visual leak detection, making methylene blue testing more efficient and compliant. Optimize your quality control workflow, reduce variability, and confidently validate closure integrity after needle puncture. Contact Cell Instruments today to upgrade your elastomeric closure testing capabilities.<\/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=\"\/dz\/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\">\u0f60\u0f56\u0fb2\u0f7a\u0f63\u0f0b\u0f56\u0f0b\u0f60\u0f50\u0f56\u0f0d<\/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\">\u0f60\u0f56\u0fb2\u0f7a\u0f63\u0f0b\u0f61\u0f7c\u0f51\u0f0b\u0f42\u0f53\u0f66\u0f0b\u0f5a\u0f74\u0f63\u0f0d<\/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\/dz\/lt-02-leak-tester\/\" >\n\t\t\t\tLT-02 \u0f46\u0f74\u0f0b\u0f60\u0f5b\u0f42\u0f0b\u0f56\u0f62\u0f9f\u0f42\u0f0b\u0f51\u0f54\u0fb1\u0f51\u0f0b\u0f60\u0f55\u0fb2\u0f74\u0f63\u0f0b\u0f46\u0f66\u0f0d\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p> \u0f5a\u0f72\u0f42\u0f0c\u0f55\u0fb2\u0f51 <strong>LT-02 \u0f46\u0f74\u0f0b\u0f60\u0f5b\u0f42\u0f0b\u0f56\u0f62\u0f9f\u0f42\u0f0b\u0f51\u0f54\u0fb1\u0f51\u0f0b\u0f60\u0f55\u0fb2\u0f74\u0f63\u0f0b\u0f46\u0f66\u0f0d<\/strong> \u0f60\u0f51\u0f72\u0f0b\u0f61\u0f44\u0f0b \u0f51\u0f58\u0f72\u0f42\u0f66\u0f0b\u0f56\u0f66\u0f63\u0f0b\u0f42\u0fb1\u0f72\u0f66\u0f0b \u0f58\u0f42\u0f74\u0f0b\u0f4f\u0f7c\u0f0b\u0f42\u0f72\u0f0b\u0f62\u0fb3\u0f44\u0f66\u0f0b\u0f62\u0fb3\u0f74\u0f44\u0f0b\u0f61\u0f7c\u0f51\u0f0b\u0f66\u0f60\u0f72\u0f0b \u0f63\u0f42\u0f0b\u0f63\u0f7a\u0f53\u0f0b\u0f5a\u0f74\u0f0b\u0f53\u0f44\u0f0b \u0f56\u0f66\u0f92\u0fb1\u0f74\u0f62\u0f0b\u0f56\u0f45\u0f7c\u0f66\u0f0b\u0f45\u0f53\u0f0b\u0f42\u0fb1\u0f72\u0f0b\u0f50\u0f74\u0f58\u0f0b\u0f66\u0f92\u0fb2\u0f72\u0f63\u0f0b\u0f53\u0f44\u0f0b \u0f46\u0f74\u0f0b\u0f60\u0f5b\u0f42\u0f0b\u0f58\u0f72\u0f0b\u0f5a\u0f74\u0f0b \u0f56\u0f62\u0f9f\u0f42\u0f0b\u0f51\u0f54\u0fb1\u0f51\u0f0b\u0f60\u0f56\u0f51\u0f0b\u0f53\u0f72\u0f0b\u0f42\u0f72\u0f0b\u0f51\u0f7c\u0f53\u0f0b\u0f63\u0f74\u0f0b \u0f56\u0f5f\u0f7c\u0f0b\u0f56\u0f40\u0f7c\u0f51\u0f0b\u0f60\u0f56\u0f51\u0f0b\u0f51\u0f7a\u0f0b\u0f61\u0f7c\u0f51\u0f0b\u0f58\u0f72\u0f0b \u0f62\u0f44\u0f0b\u0f56\u0f5e\u0f72\u0f53\u0f0b\u0f42\u0fb1\u0f72\u0f0b \u0f42\u0f53\u0f58\u0f0b\u0f66\u0f9f\u0f7c\u0f44\u0f0b\u0f56\u0f62\u0f9f\u0f42\u0f0b\u0f51\u0f54\u0fb1\u0f51\u0f0b\u0f50\u0f56\u0f66\u0f0b\u0f64\u0f7a\u0f66\u0f0b\u0f45\u0f72\u0f42\u0f0b\u0f68\u0f72\u0f53\u0f0d \u0f60\u0f0b\u0f53\u0f72\u0f0b\u0f60\u0f55\u0fb2\u0f74\u0f63\u0f0b\u0f46\u0f66\u0f0b\u0f60\u0f51\u0f72\u0f0b \u0f66\u0fa4\u0fb1\u0f72\u0f62\u0f0b\u0f56\u0f4f\u0f44\u0f0b\u0f63\u0f74\u0f0b \u0f56\u0f5f\u0f60\u0f0b\u0f60\u0f50\u0f74\u0f44\u0f0b\u0f51\u0f44\u0f0b \u0f60\u0f50\u0f74\u0f44\u0f0b\u0f46\u0f74\u0f0b \u0f66\u0fa8\u0f53\u0f0b\u0f62\u0f72\u0f42\u0f66\u0f0b \u0f51\u0f7a\u0f0b\u0f63\u0f66\u0f0b \u0f50\u0f7c\u0f53\u0f0b\u0f66\u0f90\u0fb1\u0f7a\u0f51\u0f0b\u0f40\u0fb1\u0f72\u0f0b\u0f66\u0fa4\u0f74\u0f66\u0f0b\u0f5a\u0f51\u0f0b\u0f56\u0f51\u0f42\u0f0b\u0f60\u0f5b\u0f72\u0f53\u0f0b\u0f60\u0f50\u0f56\u0f0b\u0f53\u0f72\u0f0b\u0f63\u0f74\u0f0b \u0f50\u0f74\u0f58\u0f0b\u0f66\u0f92\u0fb2\u0f72\u0f63\u0f0b\u0f42\u0fb1\u0f72\u0f0b\u0f56\u0fb3\u0f7c\u0f0b\u0f42\u0f4f\u0f51\u0f0b\u0f45\u0f53\u0f0b\u0f60\u0f51\u0f72\u0f0b \u0f41\u0f42\u0f0b\u0f46\u0f7a\u0f0b\u0f64\u0f7c\u0f66\u0f0b\u0f45\u0f72\u0f42\u0f0b\u0f68\u0f72\u0f53\u0f0b\u0f58\u0f72\u0f0b \u0f56\u0f5f\u0f7c\u0f0b\u0f42\u0fb2\u0fad\u0f0b\u0f60\u0f55\u0fb2\u0f74\u0f63\u0f0b\u0f41\u0f44\u0f0b\u0f5a\u0f74\u0f0b\u0f53\u0f44\u0f0b \u0f63\u0f42\u0f0b\u0f63\u0f7a\u0f53\u0f0b\u0f60\u0f50\u0f56\u0f0b\u0f51\u0f7c\u0f0b\u0f61\u0f7c\u0f51\u0f54\u0f0b\u0f68\u0f72\u0f53\u0f0d<\/p>\n\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/www.leakagetester.com\/dz\/lt-02-leak-tester\/\" aria-label=\"Read more about LT-02 Leak Tester\" tabindex=\"-1\" >\n\t\t\t\u0f51\u0f0b\u0f62\u0f74\u0f44\u0f0b\u0f63\u0fb7\u0f42\u0f0d\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\/dz\/lt-03-leak-tester\/\" >\n\t\t\t\tLT-03 \u0f46\u0f74\u0f0b\u0f60\u0f5b\u0f42\u0f0b\u0f56\u0f62\u0f9f\u0f42\u0f0b\u0f51\u0f54\u0fb1\u0f51\u0f0b\u0f60\u0f55\u0fb2\u0f74\u0f63\u0f0b\u0f46\u0f66\u0f0d\t\t\t<\/a>\n\t\t<\/h4>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>LT-03 Leak Tester \u0f60\u0f51\u0f72\u0f0b \u0f56\u0f5f\u0f7c\u0f0b\u0f42\u0fb2\u0fad\u0f0b\u0f41\u0f44\u0f0b\u0f58\u0f0b\u0f60\u0f51\u0fb2\u0f5d\u0f0b\u0f5a\u0f74\u0f0b\u0f53\u0f44\u0f0b \u0f50\u0f74\u0f58\u0f0b\u0f66\u0f92\u0fb2\u0f72\u0f63\u0f0b\u0f42\u0fb1\u0f72\u0f0b \u0f58\u0f50\u0f74\u0f53\u0f0b\u0f66\u0f92\u0fb2\u0f72\u0f42\u0f0b\u0f5a\u0f74\u0f0b \u0f51\u0f58\u0f0b\u0f51\u0f58\u0f0b\u0f66\u0fa6\u0f7a\u0f0b \u0f56\u0f62\u0f9f\u0f42\u0f0b\u0f51\u0f54\u0fb1\u0f51\u0f0b\u0f60\u0f56\u0f51\u0f0b\u0f53\u0f72\u0f0b\u0f42\u0f72\u0f0b\u0f51\u0f7c\u0f53\u0f0b\u0f63\u0f74\u0f0b \u0f56\u0f5f\u0f7c\u0f0b\u0f56\u0f40\u0f7c\u0f51\u0f0b\u0f60\u0f56\u0f51\u0f0b\u0f58\u0f72\u0f0b \u0f51\u0f7a\u0f44\u0f0b\u0f66\u0f44\u0f0b\u0f42\u0f72\u0f0b 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