{"id":9292,"date":"2026-02-02T11:23:36","date_gmt":"2026-02-02T03:23:36","guid":{"rendered":"https:\/\/www.packqc.com\/applications\/pressure-decay-test-method-astm-f1140\/"},"modified":"2026-03-16T13:18:50","modified_gmt":"2026-03-16T05:18:50","slug":"pressure-decay-test-method-astm-f1140","status":"publish","type":"applications","link":"https:\/\/www.packqc.com\/nn\/applications\/pressure-decay-test-method-astm-f1140\/","title":{"rendered":"Pressure Decay Test"},"content":{"rendered":"<p>Ensuring packaging integrity is critical in the medical, pharmaceutical, and food industries. The <strong data-start=\"463\" data-end=\"477\">ASTM F1140<\/strong> standard offers comprehensive methods to assess the failure resistance of unrestrained packages under internal pressure. These include the <strong data-start=\"617\" data-end=\"631\">burst test<\/strong>, <strong data-start=\"633\" data-end=\"647\">creep test<\/strong>, and <strong data-start=\"653\" data-end=\"676\">pressure decay test<\/strong>, which simulate conditions encountered during sterilization, transport, and storage. This article explains the core of pressure decay test and how Cell Instruments provides advanced solutions to meet these testing requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is ASTM F1140 and Pressure Decay Test?<\/h2>\n\n\n\n<p><strong data-start=\"926\" data-end=\"940\">ASTM F1140<\/strong> is a standardized method developed by ASTM International for evaluating the <strong data-start=\"1017\" data-end=\"1063\">internal pressurization failure resistance<\/strong> of flexible, unrestrained packages. It defines three main testing methods:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1142\" data-end=\"1172\">Burst Test (Test Method A)<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1177\" data-end=\"1208\">Creep Test (Test Method B1)<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1213\" data-end=\"1255\">Creep to Failure Test (Test Method B2)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>These methods help manufacturers identify weak seals, material inconsistencies, and design flaws that could compromise package integrity under pressure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding the Burst Test for ASTM F1140 Compliance<\/h2>\n\n\n\n<p>The <strong data-start=\"1479\" data-end=\"1493\">burst test<\/strong> is one of the most common methods under ASTM F1140. It involves gradually increasing internal air pressure in a sealed package until it ruptures.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Purpose and Benefits:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Identifies the <strong data-start=\"1685\" data-end=\"1705\">maximum pressure<\/strong> a package can withstand.<\/li>\n\n\n\n<li>Evaluates the strength and <strong data-start=\"1760\" data-end=\"1784\">consistency of seals<\/strong>.<\/li>\n\n\n\n<li>Simulates extreme conditions such as sterilization or altitude-related pressure changes.<\/li>\n<\/ul>\n\n\n\n<p><strong data-start=\"1878\" data-end=\"1911\">Cell Instruments <a href=\"https:\/\/www.packqc.com\/nn\/\">Burst Tester<\/a><\/strong> is designed specifically for ASTM F1140 burst testing. It allows users to precisely control the rate of pressurization and detect the exact pressure at which the package fails. This ensures repeatable, compliant, and accurate results.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Creep Test: Sustained Pressure Evaluation<\/h2>\n\n\n\n<p>The <strong data-start=\"2203\" data-end=\"2217\">creep test<\/strong> (Test Method B1) evaluates how well a package maintains a set pressure over a fixed period, usually 15\u201330 seconds.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Applications:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2355\" data-end=\"2377\">Process validation<\/strong> during packaging development.<\/li>\n\n\n\n<li>Detects slow leaks or weak points not visible in burst testing.<\/li>\n\n\n\n<li>Frequently used in <strong data-start=\"2495\" data-end=\"2523\">medical device packaging<\/strong>, where sterility must be maintained under stress.<\/li>\n<\/ul>\n\n\n\n<p>Cell Instruments\u2019 test systems can maintain constant internal pressure with high accuracy. A recommended starting point is <strong data-start=\"2698\" data-end=\"2733\">80% of the known burst pressure<\/strong>, which ensures a meaningful challenge without immediate failure.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-provider-youtube wp-block-embed-youtube\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Sealed coffee tray internal burst test\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/aDSEwpQqoE0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Creep to Failure: Pushing the Limits<\/h2>\n\n\n\n<p>A more aggressive form of the creep test, the <strong data-start=\"2892\" data-end=\"2912\">creep to failure<\/strong> method (Test Method B2) increases pressure to around <strong data-start=\"2966\" data-end=\"2988\">90% of burst value<\/strong> and holds it until the package fails.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why Use It?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Assesses long-term pressure retention and seal degradation.<\/li>\n\n\n\n<li>Determines <strong data-start=\"3120\" data-end=\"3139\">time to failure<\/strong>, which provides additional data for quality assurance.<\/li>\n<\/ul>\n\n\n\n<p>This method is ideal for benchmarking <strong data-start=\"3234\" data-end=\"3272\">performance under prolonged stress<\/strong> and detecting packaging defects that only emerge after sustained internal pressure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pressure Decay Test: A Non-Destructive Alternative<\/h2>\n\n\n\n<p>The <strong data-start=\"3422\" data-end=\"3445\">pressure decay test<\/strong>, while not explicitly detailed in ASTM F1140, is often used in conjunction with the burst and creep tests. This method involves inflating the package to a set pressure and monitoring the <strong data-start=\"3633\" data-end=\"3647\">decay rate<\/strong> over time.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Advantages:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3679\" data-end=\"3698\">Non-destructive<\/strong>: Allows reuse of packages if no leakage is detected.<\/li>\n\n\n\n<li>Highly sensitive to <strong data-start=\"3774\" data-end=\"3789\">micro-leaks<\/strong>.<\/li>\n\n\n\n<li>Useful in <strong data-start=\"3803\" data-end=\"3835\">quality control environments<\/strong> that require rapid, reliable results.<\/li>\n<\/ul>\n\n\n\n<p>Cell Instruments offers advanced systems that integrate <strong data-start=\"3931\" data-end=\"3956\">pressure decay method<\/strong> testing, providing a full-suite solution for package integrity verification.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Key Parameters for Reliable Results<\/h2>\n\n\n\n<p>When performing ASTM F1140 tests, consistency is critical. Factors that affect test accuracy include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"4185\" data-end=\"4211\">Package size and shape<\/strong><\/li>\n\n\n\n<li><strong data-start=\"4214\" data-end=\"4236\">Seal configuration<\/strong><\/li>\n\n\n\n<li><strong data-start=\"4239\" data-end=\"4262\">Material properties<\/strong><\/li>\n\n\n\n<li><strong data-start=\"4265\" data-end=\"4288\">Pressurization rate<\/strong><\/li>\n\n\n\n<li><strong data-start=\"4291\" data-end=\"4335\">Entry point location for closed packages<\/strong><\/li>\n\n\n\n<li><strong data-start=\"4338\" data-end=\"4363\">Equipment sensitivity<\/strong><\/li>\n<\/ul>\n\n\n\n<p>All these must be controlled to ensure repeatable results across batches and test labs. Cell Instruments&#8217; burst and pressure testers provide high-resolution control over each parameter.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contact Us Get Pressure Decay Test Testing Solution <\/h2>\n\n\n\n<p><a href=\"https:\/\/www.astm.org\/f1140_f1140m-13r20e01.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong data-start=\"5300\" data-end=\"5314\">ASTM F1140<\/strong><\/a> plays a critical role in verifying the integrity of flexible packages subjected to internal pressure. By using appropriate methods like the <strong data-start=\"5455\" data-end=\"5469\">burst test<\/strong>, <strong data-start=\"5471\" data-end=\"5485\">creep test<\/strong>, and <strong data-start=\"5491\" data-end=\"5516\">pressure decay method<\/strong>, manufacturers can confidently assess seal strength, package design, and overall reliability.<\/p>\n\n\n\n<p>For companies seeking precision and compliance, <strong data-start=\"5660\" data-end=\"5695\">Cell Instruments&#8217; burst testers<\/strong> are an ideal solution. Our equipment ensures your packaging meets regulatory expectations and performs flawlessly under pressure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQs<\/h2>\n\n\n\n<p>1. What industries commonly use ASTM F1140 testing?<br>Industries like medical devices, pharmaceuticals, food packaging, and electronics frequently rely on ASTM F1140 testing to ensure packaging integrity.<\/p>\n\n\n\n<p>2. Is the pressure decay test part of ASTM F1140?<br>While not formally included in ASTM F1140, the pressure decay method is often used alongside it as a non-destructive alternative for leak detection.<\/p>\n\n\n\n<p>3. How do I select the right starting pressure for creep testing?<br>A common guideline is to use 80% of the burst pressure for creep tests and 90% for creep-to-failure tests.<\/p>\n\n\n\n<p>4. Can ASTM F1140 tests detect seal strength?<br>Not directly. ASTM F1140 evaluates failure resistance, while seal strength is usually assessed using ASTM F88.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ensuring packaging integrity is critical in the medical, pharmaceutical, and food industries. The ASTM F1140 standard offers comprehensive methods to assess the failure resistance of unrestrained packages under internal pressure. These include the burst test, creep test, and pressure decay test, which simulate conditions encountered during sterilization, transport, and storage. This article explains the core [&hellip;]<\/p>","protected":false},"featured_media":6113,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"class_list":["post-9292","applications","type-applications","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/applications\/9292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/applications"}],"about":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/types\/applications"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/media\/6113"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/media?parent=9292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}