{"id":9828,"date":"2026-02-24T15:11:44","date_gmt":"2026-02-24T07:11:44","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d1894-2\/"},"modified":"2026-03-12T09:13:33","modified_gmt":"2026-03-12T01:13:33","slug":"astm-d1894","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/cs\/standard\/astm-d1894\/","title":{"rendered":"ASTM D1894"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Understanding ASTM D1894 and Its Importance<\/h2>\n\n\n\n<p>Porozum\u011bn\u00ed <a href=\"https:\/\/www.packqc.com\/cs\/standard\/astm-d1894\/\"><strong data-start=\"964\" data-end=\"978\">ASTM D1894<\/strong><\/a> is essential for industries such as <strong data-start=\"1015\" data-end=\"1102\">packaging, food, medical, pharmaceutical, textiles, and quality inspection agencies<\/strong>, all of which rely on consistent material behavior for quality assurance.<\/p>\n\n\n\n<p><strong data-start=\"1241\" data-end=\"1263\">ASTM D1894 testing<\/strong> outlines a clear procedure to determine the frictional characteristics between two surfaces under controlled conditions. This test is vital for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1412\" data-end=\"1457\">Evaluating packaging material performance<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1462\" data-end=\"1508\">Ensuring smooth production line operations<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1513\" data-end=\"1558\">Preventing product damage during shipping<\/strong><\/li>\n\n\n\n<li><strong data-start=\"1563\" data-end=\"1621\">Meeting customer requirements for material consistency<\/strong><\/li>\n<\/ul>\n\n\n\n<p>According to the standard, a <strong data-start=\"1652\" data-end=\"1664\">COF test<\/strong> involves pulling a sled\u2014coated with or made from the test material\u2014across a flat surface at a specified speed and pressure. The resistance encountered helps determine the <strong data-start=\"1836\" data-end=\"1900\">static (initial) and kinetic (sliding) friction coefficients<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM Coefficient of Friction Parameters and Conditions<\/h2>\n\n\n\n<p>The <strong data-start=\"2818\" data-end=\"2850\">ASTM coefficient of friction<\/strong> test specified in D1894 is conducted under the following conditions:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2923\" data-end=\"2938\">Testovac\u00ed rychlost:<\/strong> 150 \u00b1 30 mm\/min<\/li>\n\n\n\n<li><strong data-start=\"2959\" data-end=\"2975\">Hmotnost san\u00ed:<\/strong> 200 \u00b1 5 g<\/li>\n\n\n\n<li><strong data-start=\"2990\" data-end=\"3019\">Temperature and Humidity:<\/strong> Standardized environmental conditions to ensure consistency<\/li>\n\n\n\n<li><strong data-start=\"3084\" data-end=\"3108\">Specimen Dimensions:<\/strong> Usually 63.5 mm x 127 mm, with flat, uniform surfaces<\/li>\n<\/ul>\n\n\n\n<p>Ob\u011b <strong data-start=\"3169\" data-end=\"3183\">statick\u00e9 COF<\/strong> (measured as the force to start motion) and <strong data-start=\"3228\" data-end=\"3243\">kinetick\u00e9 COF<\/strong> (measured as the force to maintain motion) are calculated. The frictional force is measured in newtons and divided by the sled weight to determine the coefficient values.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Step-by-Step COF Test Method According to ASTM D1894<\/h2>\n\n\n\n<p>The <strong data-start=\"3484\" data-end=\"3503\">COF test method<\/strong> zahrnuje n\u00e1sleduj\u00edc\u00ed kroky:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"3538\" data-end=\"3565\">Stav vzork\u016f<\/strong> in a standardized atmosphere for at least 40 hours.<\/li>\n\n\n\n<li><strong data-start=\"3623\" data-end=\"3641\">Place the sled<\/strong> (facing down with the test surface) on the base material.<\/li>\n\n\n\n<li><strong data-start=\"3705\" data-end=\"3725\">Connect the sled<\/strong> to the force sensor via a string or hook.<\/li>\n\n\n\n<li><strong data-start=\"3773\" data-end=\"3792\">Initiate motion<\/strong> at a constant speed and record force values.<\/li>\n\n\n\n<li><strong data-start=\"3843\" data-end=\"3871\">Determine the static COF<\/strong> from the peak force before motion begins.<\/li>\n\n\n\n<li><strong data-start=\"3919\" data-end=\"3948\">Determine the kinetic COF<\/strong> from the average force during steady motion.<\/li>\n\n\n\n<li><strong data-start=\"3999\" data-end=\"4021\">Report the results<\/strong> including material type, environmental conditions, and test parameters.<\/li>\n<\/ol>\n\n\n\n<p>Proper calibration, flat placement, and consistent speed are critical to avoid deviations.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Jak\u00e1 je zku\u0161ebn\u00ed metoda pro stanoven\u00ed sou\u010dinitele t\u0159en\u00ed?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/NUgXENOz8J0?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\">V\u00fdb\u011br spr\u00e1vn\u00e9ho sou\u010dinitele t\u0159en\u00ed<br>\n<\/h2>\n\n\n\n<p>To meet the precise requirements of ASTM D1894, a specialized <strong data-start=\"2042\" data-end=\"2077\">co-efficient of friction tester<\/strong> is necessary. A reliable tester ensures repeatability, sensitivity, and compliance with the standard. At this point, <strong data-start=\"2195\" data-end=\"2254\">Cell Instruments\u2019 COF-01 Coefficient of Friction Tester<\/strong> stands out as an ideal solution. It\u2019s engineered for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2312\" data-end=\"2360\">Accurate static and kinetic COF measurements<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2365\" data-end=\"2428\">Automatic force calibration and high-speed data acquisition<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2433\" data-end=\"2499\">Soulad s <a href=\"https:\/\/www.astm.org\/d1894-24.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1894<\/a>, ISO 8295, and TAPPI T816 standards<\/strong><\/li>\n<\/ul>\n\n\n\n<p>This instrument is suitable for <strong data-start=\"2533\" data-end=\"2595\">plastic films, paper, foils, textiles, laminates, and more<\/strong>. It is widely adopted by <strong data-start=\"2621\" data-end=\"2699\">QC laboratories, packaging manufacturers, converters, and research centers<\/strong> to improve consistency and process efficiency.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kontaktujte n\u00e1s Z\u00edskejte \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed podle normy ASTM D1894 <\/h2>\n\n\n\n<p>A\u0165 u\u017e jste v <strong data-start=\"5354\" data-end=\"5417\">v\u00fdroba plast\u016f, pap\u00edru, obal\u016f nebo zdravotnick\u00fdch prost\u0159edk\u016f.<\/strong>, porozum\u011bn\u00ed a uplat\u0148ov\u00e1n\u00ed <strong data-start=\"5446\" data-end=\"5460\">ASTM D1894<\/strong> v\u00e1m d\u00e1v\u00e1 konkuren\u010dn\u00ed v\u00fdhodu. Se spr\u00e1vn\u00fdm <strong data-start=\"5506\" data-end=\"5540\">tester sou\u010dinitele t\u0159en\u00ed<\/strong> jako je <strong>COF-01<\/strong> od spole\u010dnosti Cell Instruments bude v\u00e1\u0161 provoz konzistentn\u011bj\u0161\u00ed, efektivn\u011bj\u0161\u00ed a v souladu s p\u0159edpisy.<\/p>\n\n\n\n<p>Kontakt <strong>Bun\u011b\u010dn\u00e9 n\u00e1stroje<\/strong> a dozv\u00edte se, jak mohou na\u0161e \u0159e\u0161en\u00ed zlep\u0161it va\u0161e mo\u017enosti testov\u00e1n\u00ed a kvalitu v\u00fdrobk\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n<p><a tabindex=\"0\">1. What does ASTM D1894 measure?<\/a><br>It measures the static and kinetic coefficients of friction between two surfaces, typically in packaging and materials testing.<\/p>\n\n\n\n<p><a tabindex=\"0\">2. Why is COF testing important in packaging?<\/a><br>It ensures that packaging materials behave consistently during handling, transportation, and automated production.<\/p>\n\n\n\n<p><a tabindex=\"0\">3. What materials are tested using ASTM D1894?<\/a><br>Common materials include plastic films, coated papers, laminates, foils, and textiles.<\/p>\n\n\n\n<p><a tabindex=\"0\">4. How is static COF different from kinetic COF?<\/a><br>Static COF is the force needed to start movement, while kinetic COF is the force needed to maintain movement.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding ASTM D1894 and Its Importance Understanding ASTM D1894 is essential for industries such as packaging, food, medical, pharmaceutical, textiles, and quality inspection agencies, all of which rely on consistent material behavior for quality assurance. ASTM D1894 testing outlines a clear procedure to determine the frictional characteristics between two surfaces under controlled conditions. This test [&hellip;]<\/p>","protected":false},"featured_media":5423,"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":""}}},"standard-category":[],"class_list":["post-9828","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard\/9828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media\/5423"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/media?parent=9828"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/cs\/wp-json\/wp\/v2\/standard-category?post=9828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}