{"id":501,"date":"2025-07-16T15:47:37","date_gmt":"2025-07-16T07:47:37","guid":{"rendered":"https:\/\/www.ampouletest.com\/?p=501"},"modified":"2025-07-16T15:52:29","modified_gmt":"2025-07-16T07:52:29","slug":"penetrability-test-for-elastomeric-closure","status":"publish","type":"post","link":"https:\/\/www.ampouletest.com\/ro\/penetrability-test-for-elastomeric-closure","title":{"rendered":"How to Perform Penetrability Tests for Elastomeric Closures According to ISO 8871-5 and USP 381"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"501\" class=\"elementor elementor-501\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed44de5 e-flex e-con-boxed e-con e-parent\" data-id=\"ed44de5\" 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-f6a54cf elementor-widget elementor-widget-heading\" data-id=\"f6a54cf\" 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<h1 class=\"elementor-heading-title elementor-size-default\">How to Perform Penetrability Tests for Elastomeric Closures According to ISO 8871-5 and USP 381<\/h1>\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-62f8376 e-flex e-con-boxed e-con e-parent\" data-id=\"62f8376\" 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-1dddecc elementor-widget elementor-widget-text-editor\" data-id=\"1dddecc\" 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>The <em data-start=\"398\" data-end=\"442\">penetrability test for elastomeric closure<\/em> plays a vital role in pharmaceutical packaging validation. Elastomeric closures\u2014such as rubber stoppers used in ampoules and vials\u2014must allow for easy needle penetration while maintaining sealing integrity. In this article, we explore how to perform the penetrability test in accordance with <strong data-start=\"735\" data-end=\"749\">ISO 8871-5<\/strong> and <strong data-start=\"754\" data-end=\"767\">USP 381<\/strong>, focusing on the critical requirements, methodology, and tools needed for precise and reliable testing.<\/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<div class=\"elementor-element elementor-element-b0d8d6c e-flex e-con-boxed e-con e-parent\" data-id=\"b0d8d6c\" 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-91a28af elementor-widget elementor-widget-heading\" data-id=\"91a28af\" 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\">Ampoule Rubber Stopper Test and Its Importance in Pharmaceutical Quality Control<\/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-a4c722d e-flex e-con-boxed e-con e-parent\" data-id=\"a4c722d\" 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-79dbdf5 elementor-widget elementor-widget-text-editor\" data-id=\"79dbdf5\" 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=\"963\" data-end=\"1214\">The <em data-start=\"967\" data-end=\"996\">ampoule rubber stopper test<\/em> is one of several functional tests required to evaluate elastomeric closures used in injectable packaging systems. When a hypodermic needle punctures a rubber closure, several performance parameters must be validated:<\/p><ul><li data-start=\"1218\" data-end=\"1287\"><strong data-start=\"1218\" data-end=\"1235\">Penetrability<\/strong>: Measures the force required to pierce the closure.<\/li><li data-start=\"1290\" data-end=\"1381\"><strong data-start=\"1290\" data-end=\"1307\">Fragmentation<\/strong>: Assesses whether rubber particles are generated during needle insertion.<\/li><li data-start=\"1384\" data-end=\"1467\"><strong data-start=\"1384\" data-end=\"1400\">Self-sealing<\/strong>: Evaluates whether the closure can reseal after needle withdrawal.<\/li><\/ul><p data-start=\"1469\" data-end=\"1651\">Among these, <strong data-start=\"1482\" data-end=\"1499\">penetrability<\/strong> is fundamental. If excessive force is needed, it may hinder medical personnel during drug administration or damage the closure, compromising sterility.<\/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<div class=\"elementor-element elementor-element-8182811 e-flex e-con-boxed e-con e-parent\" data-id=\"8182811\" 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-2da9f21 elementor-widget elementor-widget-heading\" data-id=\"2da9f21\" 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\">Regulatory Background: ISO 8871-5 and USP 381 Overview<\/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-fb5ef7f e-flex e-con-boxed e-con e-parent\" data-id=\"fb5ef7f\" 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-4950842 elementor-widget elementor-widget-heading\" data-id=\"4950842\" 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\">ISO 8871-5: Functional Testing of Elastomeric Closures<\/h3>\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-c239325 e-flex e-con-boxed e-con e-parent\" data-id=\"c239325\" 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-e21ca9d elementor-widget elementor-widget-text-editor\" data-id=\"e21ca9d\" 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=\"1778\" data-end=\"1944\">This international standard specifies functional testing methods for closures used in parenteral packaging. <strong data-start=\"1886\" data-end=\"1897\">Annex A<\/strong> outlines the method for penetrability testing:<\/p><ul><li data-start=\"1948\" data-end=\"2025\"><strong data-start=\"1948\" data-end=\"1963\">Requirement<\/strong>: Maximum piercing force must not exceed <strong data-start=\"2004\" data-end=\"2012\">10 N<\/strong> per closure.<\/li><li data-start=\"2028\" data-end=\"2185\"><strong data-start=\"2028\" data-end=\"2041\">Equipment<\/strong>: Force-measuring system with \u00b10.25 N accuracy, compatible vials and closures, long-bevel hypodermic needles (per ISO 7864), and crimping tools.<\/li><\/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-2cf7980 e-flex e-con-boxed e-con e-parent\" data-id=\"2cf7980\" 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-37f8128 elementor-widget elementor-widget-heading\" data-id=\"37f8128\" 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\">USP 381: Elastomeric Closure Quality<\/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-ec66c30 e-flex e-con-boxed e-con e-parent\" data-id=\"ec66c30\" 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-3f4f67c elementor-widget elementor-widget-text-editor\" data-id=\"3f4f67c\" 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>USP 381 also includes penetrability as a criterion for evaluating closure functionality. Although test details may vary slightly, both standards share the objective: ensuring closure integrity while maintaining usability.<\/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<div class=\"elementor-element elementor-element-22513a5 e-flex e-con-boxed e-con e-parent\" data-id=\"22513a5\" 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-a68e736 elementor-widget elementor-widget-heading\" data-id=\"a68e736\" 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\">Step-by-Step Guide: How to Conduct the Penetrability Test for Elastomeric Closure<\/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-4ce1670 e-flex e-con-boxed e-con e-parent\" data-id=\"4ce1670\" 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-2200dd7 elementor-widget elementor-widget-text-editor\" data-id=\"2200dd7\" 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>To ensure repeatable and standard-compliant results, follow these procedures:<\/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<div class=\"elementor-element elementor-element-3457899 e-flex e-con-boxed e-con e-parent\" data-id=\"3457899\" 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-0c8316d elementor-widget elementor-widget-heading\" data-id=\"0c8316d\" 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\">Sample Preparation<\/h3>\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-7712ca5 e-flex e-con-boxed e-con e-parent\" data-id=\"7712ca5\" 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-5df9b9e elementor-widget elementor-widget-text-editor\" data-id=\"5df9b9e\" 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<ul><li data-start=\"2658\" data-end=\"2751\">Use <strong data-start=\"2662\" data-end=\"2677\">10 closures<\/strong> and <strong data-start=\"2682\" data-end=\"2703\">10 matching vials<\/strong> (typically ISO 8362-1 or ISO 8362-4 compliant).<\/li><li data-start=\"2754\" data-end=\"2823\">Crimp closures using <strong data-start=\"2775\" data-end=\"2794\">aluminium seals<\/strong> as per ISO 8362-3 or 8362-6.<\/li><li data-start=\"2826\" data-end=\"2874\">Ensure closures are lubricated and needle-ready.<\/li><\/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-fcec74f e-flex e-con-boxed e-con e-parent\" data-id=\"fcec74f\" 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-c71c677 elementor-widget elementor-widget-heading\" data-id=\"c71c677\" 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\">Testing Apparatus<\/h3>\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-838ced8 e-flex e-con-boxed e-con e-parent\" data-id=\"838ced8\" 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-f219824 elementor-widget elementor-widget-text-editor\" data-id=\"f219824\" 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<ul><li data-start=\"2906\" data-end=\"2993\">Use a <strong data-start=\"2912\" data-end=\"2933\">hypodermic needle<\/strong> (0.8 mm external diameter, long bevel with an 11\u00b12\u00b0 angle).<\/li><li data-start=\"2996\" data-end=\"3081\">The testing system must record force with <strong data-start=\"3038\" data-end=\"3059\">\u00b10.25 N precision<\/strong>, up to at least 10 N.<\/li><li data-start=\"3084\" data-end=\"3167\">A vertical force application mechanism is essential to eliminate angular deviation.<\/li><\/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-d4d6a6e e-flex e-con-boxed e-con e-parent\" data-id=\"d4d6a6e\" 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-58f58cf elementor-widget elementor-widget-heading\" data-id=\"58f58cf\" 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\">Test Execution<\/h3>\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-3009093 e-flex e-con-boxed e-con e-parent\" data-id=\"3009093\" 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-52f1e19 elementor-widget elementor-widget-text-editor\" data-id=\"52f1e19\" 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<ul><li data-start=\"3196\" data-end=\"3239\">Mount the crimped vial in the test fixture.<\/li><li data-start=\"3242\" data-end=\"3291\">Attach a new hypodermic needle to the test probe.<\/li><li data-start=\"3294\" data-end=\"3397\">Insert the needle <strong data-start=\"3312\" data-end=\"3331\">perpendicularly<\/strong> through the closure and record the <strong data-start=\"3367\" data-end=\"3396\">maximum penetration force<\/strong>.<\/li><li data-start=\"3400\" data-end=\"3453\">Repeat for each of the 10 samples using a new needle.<\/li><\/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-ed69322 e-flex e-con-boxed e-con e-parent\" data-id=\"ed69322\" 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-9012a4a elementor-widget elementor-widget-heading\" data-id=\"9012a4a\" 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\">Result Interpretation<\/h3>\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-7f384d8 e-flex e-con-boxed e-con e-parent\" data-id=\"7f384d8\" 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-3543d4e elementor-widget elementor-widget-text-editor\" data-id=\"3543d4e\" 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<ul><li data-start=\"3489\" data-end=\"3520\">All force values must be \u226410 N.<\/li><li data-start=\"3523\" data-end=\"3600\">If any closure exceeds this limit, the batch may be considered non-compliant.<\/li><\/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-c7c8399 e-flex e-con-boxed e-con e-parent\" data-id=\"c7c8399\" 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-bcc6e87 elementor-widget elementor-widget-heading\" data-id=\"bcc6e87\" 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 Use Cell Instruments\u2019 NPT-01 Needle Penetrability Tester?<\/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-88f8f0e e-flex e-con-boxed e-con e-parent\" data-id=\"88f8f0e\" 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-7ce1b51 elementor-widget elementor-widget-text-editor\" data-id=\"7ce1b51\" 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=\"3673\" data-end=\"3917\">For laboratories and pharmaceutical manufacturers seeking <strong data-start=\"3731\" data-end=\"3749\">high precision<\/strong> and <strong data-start=\"3754\" data-end=\"3777\">reliable compliance<\/strong>, the <strong data-start=\"3783\" data-end=\"3810\"><a href=\"https:\/\/www.ampouletest.com\/ro\/\">Cell Instruments<\/a> NPT-01<\/strong> is the ideal solution for conducting penetrability tests for elastomeric closures. Key advantages include:<\/p><ul><li data-start=\"3921\" data-end=\"3981\"><strong data-start=\"3921\" data-end=\"3955\">Fully automated test sequences<\/strong> to reduce operator error.<\/li><li data-start=\"3984\" data-end=\"4053\">Real-time <strong data-start=\"3994\" data-end=\"4030\">force-displacement curve display<\/strong> for in-depth analysis.<\/li><li data-start=\"4056\" data-end=\"4114\">Custom fixtures to support various vial and closure sizes.<\/li><li data-start=\"4117\" data-end=\"4179\">Compliance with <strong data-start=\"4133\" data-end=\"4147\">ISO 8871-5<\/strong>, <strong data-start=\"4149\" data-end=\"4160\">USP 381<\/strong>, and <strong data-start=\"4166\" data-end=\"4178\">ISO 7864<\/strong>.<\/li><\/ul><p data-start=\"4181\" data-end=\"4338\">Whether you&#8217;re testing <strong data-start=\"4204\" data-end=\"4228\">vial rubber stoppers<\/strong>, <strong data-start=\"4230\" data-end=\"4250\">ampoule closures<\/strong>, or other elastomeric components, NPT-01 enhances testing efficiency and repeatability.<\/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-df00254 elementor-widget elementor-widget-image\" data-id=\"df00254\" 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.ampouletest.com\/ro\/penetrability-tester\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/07\/NPT-01-Needle-Puncture-Tester-.webp\" class=\"attachment-large size-large wp-image-518\" alt=\"penetrability test for elastomeric closure\" srcset=\"https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/07\/NPT-01-Needle-Puncture-Tester-.webp 600w, https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/07\/NPT-01-Needle-Puncture-Tester--300x300.webp 300w, https:\/\/www.ampouletest.com\/wp-content\/uploads\/2025\/07\/NPT-01-Needle-Puncture-Tester--150x150.webp 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3df66da e-flex e-con-boxed e-con e-parent\" data-id=\"3df66da\" 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-b81d4a9 elementor-widget elementor-widget-heading\" data-id=\"b81d4a9\" 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\">Tips for Ensuring Accurate Results in Penetrability Testing<\/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-a90ef3b e-flex e-con-boxed e-con e-parent\" data-id=\"a90ef3b\" 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-1870bad elementor-widget elementor-widget-text-editor\" data-id=\"1870bad\" 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<ul><li data-start=\"4411\" data-end=\"4478\"><strong data-start=\"4411\" data-end=\"4432\">Use fresh needles<\/strong> for each test to avoid dull tip interference.<\/li><li data-start=\"4481\" data-end=\"4549\"><strong data-start=\"4481\" data-end=\"4504\">Calibrate equipment<\/strong> regularly to maintain measurement precision.<\/li><li data-start=\"4552\" data-end=\"4600\"><strong data-start=\"4552\" data-end=\"4575\">Avoid lateral force<\/strong> during needle insertion.<\/li><li data-start=\"4603\" data-end=\"4658\"><strong data-start=\"4603\" data-end=\"4628\">Document and validate<\/strong> results per GMP requirements.<\/li><\/ul><p data-start=\"4660\" data-end=\"4778\">By following best practices and using a reliable instrument, you ensure both regulatory compliance and product safety.<\/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<div class=\"elementor-element elementor-element-066fad8 e-flex e-con-boxed e-con e-parent\" data-id=\"066fad8\" 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-1b7d5d6 elementor-widget elementor-widget-heading\" data-id=\"1b7d5d6\" 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\">Conclusion<\/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-7319018 e-flex e-con-boxed e-con e-parent\" data-id=\"7319018\" 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-23c5712 elementor-widget elementor-widget-text-editor\" data-id=\"23c5712\" 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>The <em data-start=\"4804\" data-end=\"4848\">penetrability test for elastomeric closure<\/em> is a fundamental part of pharmaceutical packaging validation, ensuring drug container systems are safe and usable. By aligning with <a href=\"https:\/\/www.iso.org\/standard\/68560.html\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"4981\" data-end=\"4995\">ISO 8871-5<\/strong><\/a> and <strong data-start=\"5000\" data-end=\"5013\">USP 381<\/strong>, and utilizing precision tools like the <strong data-start=\"5054\" data-end=\"5081\">Cell Instruments NPT-01<\/strong>, you can execute tests that meet stringent regulatory requirements while ensuring consistent, repeatable results.<\/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<\/div>","protected":false},"excerpt":{"rendered":"<p>How to Perform Penetrability Tests for Elastomeric Closures According to ISO 8871-5 and USP 381 The penetrability test for elastomeric closure plays a vital role in pharmaceutical packaging validation. Elastomeric closures\u2014such as rubber stoppers used in ampoules and vials\u2014must allow for easy needle penetration while maintaining sealing integrity. In this article, we explore how to [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-501","post","type-post","status-publish","format-standard","hentry","category-ampoule-test"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Penetrability Test for Elastomeric Closure: ISO 8871-5 &amp; USP 381 - Ampoule Test<\/title>\n<meta name=\"description\" content=\"Learn how to conduct the penetrability test for elastomeric closure. This guide covers key procedures and requirements.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ampouletest.com\/ro\/penetrability-test-for-elastomeric-closure\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Penetrability Test for Elastomeric Closure: ISO 8871-5 &amp; USP 381 - Ampoule Test\" \/>\n<meta property=\"og:description\" content=\"Learn how to conduct the penetrability test for elastomeric closure. 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