{"id":9862,"date":"2026-02-24T15:11:46","date_gmt":"2026-02-24T07:11:46","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/iso-7854\/"},"modified":"2026-04-16T09:54:22","modified_gmt":"2026-04-16T01:54:22","slug":"iso-7854","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/vi\/standard\/iso-7854\/","title":{"rendered":"Ti\u00eau chu\u1ea9n ISO 7854"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Understanding ISO 7854 and Its Importance<\/h2>\n\n\n\n<p>The standard includes three different test methods, with <strong data-start=\"958\" data-end=\"996\">Method C \u2013 the Crumple\/Flex method<\/strong> \u2013 being one of the most comprehensive approaches. It simulates real-world flexing conditions by subjecting coated fabrics to continuous twisting and compression, making it essential for industries where mechanical stress and repeated motion are common.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Crumple Flex Tester and Method C Explained<\/h2>\n\n\n\n<p>C\u00e1c <a href=\"https:\/\/www.packqc.com\/vi\/product\/gft-gelbo-flex-tester\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"2006\" data-end=\"2029\">crumple flex tester<\/strong><\/a> is the key apparatus for <strong data-start=\"2055\" data-end=\"2076\">ISO 7854 Method C<\/strong>. In this method, a <strong data-start=\"2096\" data-end=\"2132\">rectangular coated fabric sample<\/strong> is sewn into a cylindrical shape and mounted between two rotating and reciprocating discs.<\/p>\n\n\n\n<p>During the <strong data-start=\"2238\" data-end=\"2256\">crumple method<\/strong> test:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>One disc <strong data-start=\"2277\" data-end=\"2311\">oscillates through a 90\u00b0 angle<\/strong>, applying a twisting motion.<\/li>\n\n\n\n<li>The other disc <strong data-start=\"2360\" data-end=\"2377\">moves axially<\/strong>, compressing the cylinder lengthwise.<\/li>\n\n\n\n<li>These combined actions simulate repeated <strong data-start=\"2461\" data-end=\"2499\">bending, twisting, and compressing<\/strong>, similar to stresses encountered in actual product use.<\/li>\n<\/ul>\n\n\n\n<p>The test continues for a specified number of cycles or until visible <strong data-start=\"2628\" data-end=\"2678\">cracks, coating breakdown, or material failure<\/strong> appear. The results provide a quantifiable measure of <strong data-start=\"2733\" data-end=\"2752\">kh\u1ea3 n\u0103ng ch\u1ed1ng u\u1ed1n<\/strong> V\u00e0 <strong data-start=\"2757\" data-end=\"2780\">material durability<\/strong>.<\/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=\"Gelbo flex duratility tester from Cell Instruments\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/HDpqg4jkaeA?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\">Coated Fabric Flex Test and Its Objectives<\/h2>\n\n\n\n<p>C\u00e1c <strong data-start=\"1311\" data-end=\"1338\">coated fabric flex test<\/strong> measures how well a coated textile withstands deformation without surface damage or loss of functionality. The main objectives include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Determining the <strong data-start=\"1496\" data-end=\"1544\">resistance to cracking or coating separation<\/strong> during repeated flexing.<\/li>\n\n\n\n<li>Comparing material performance under simulated usage conditions.<\/li>\n\n\n\n<li>Ensuring product reliability in demanding applications such as automotive interiors, medical packaging, and outdoor gear.<\/li>\n<\/ul>\n\n\n\n<p>By following <strong data-start=\"1781\" data-end=\"1793\">Ti\u00eau chu\u1ea9n ISO 7854<\/strong>, manufacturers can ensure consistent quality, improve product design, and validate supplier materials against recognized international benchmarks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Assessing Results: Indicators of Flex Durability<\/h2>\n\n\n\n<p>After testing, samples are visually examined for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2900\" data-end=\"2942\">Surface cracks or coating delamination<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2947\" data-end=\"2972\">Color or gloss change<\/strong><\/li>\n\n\n\n<li><strong data-start=\"2977\" data-end=\"3014\">Loss of adhesion or waterproofing<\/strong><\/li>\n<\/ul>\n\n\n\n<p>A higher number of cycles before damage indicates better <strong data-start=\"3075\" data-end=\"3094\">\u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u d\u1ebbo<\/strong>. These results guide quality control teams and material engineers in optimizing formulations, coatings, and substrate combinations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Applications of the ISO 7854 Flex Resistance Test<\/h2>\n\n\n\n<p>C\u00e1c <strong data-start=\"3295\" data-end=\"3319\">flex resistance test<\/strong> plays an important role in industries such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3372\" data-end=\"3404\">Textiles and coated fabrics:<\/strong> for tents, tarpaulins, and protective garments.<\/li>\n\n\n\n<li><strong data-start=\"3457\" data-end=\"3491\">Medical devices and packaging:<\/strong> ensuring material reliability in sterilization wraps or blood pressure cuffs.<\/li>\n\n\n\n<li><strong data-start=\"3574\" data-end=\"3603\">Automotive and aerospace:<\/strong> evaluating flexible interior materials and seals.<\/li>\n\n\n\n<li><strong data-start=\"3658\" data-end=\"3677\">H\u00e0ng ti\u00eau d\u00f9ng:<\/strong> such as raincoats, footwear, and upholstery.<\/li>\n<\/ul>\n\n\n\n<p>By adopting <strong data-start=\"3738\" data-end=\"3768\">ISO 7854-compliant testing<\/strong>, companies ensure that their coated fabrics can maintain functionality and aesthetics under repeated stress.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Choosing the Right Crumple Flex Tester<\/h2>\n\n\n\n<p>For laboratories and manufacturers needing reliable <strong data-start=\"3996\" data-end=\"4025\">ISO 7854 Method C testing<\/strong>, <strong data-start=\"4027\" data-end=\"4082\">Cell Instruments offers the GFT Crumple Flex Tester<\/strong>.<\/p>\n\n\n\n<p>C\u00e1c <strong data-start=\"4091\" data-end=\"4098\">GFT<\/strong> is designed for <strong data-start=\"4115\" data-end=\"4166\">accurate, repeatable flex resistance evaluation<\/strong> of coated fabrics, laminates, and similar flexible materials. It features:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Precisely controlled oscillation and compression mechanisms.<\/li>\n\n\n\n<li>Adjustable speed and stroke settings for standard or custom test conditions.<\/li>\n\n\n\n<li>Automated cycle counting and safety functions.<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi <strong data-start=\"4463\" data-end=\"4475\">Ti\u00eau chu\u1ea9n ISO 7854<\/strong>, <strong data-start=\"4477\" data-end=\"4491\">Ti\u00eau chu\u1ea9n ASTMF392<\/strong>, and related flex durability standards.<\/li>\n<\/ul>\n\n\n\n<p>V\u1edbi <strong data-start=\"4540\" data-end=\"4564\">Cell Instruments GFT<\/strong>, users can ensure accurate and efficient <strong data-start=\"4606\" data-end=\"4630\">crumple flex testing<\/strong> while maintaining compliance with global testing norms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contact Us Get ISO 7854 Testing Solution <\/h2>\n\n\n\n<p>Choosing a dependable instrument like <strong data-start=\"5100\" data-end=\"5125\">Cell Instruments\u2019 GFT<\/strong> not only improves testing efficiency but also enhances credibility in material evaluation. For industries where coated fabric reliability matters, <strong data-start=\"5273\" data-end=\"5309\"><a href=\"https:\/\/www.iso.org\/standard\/14777.html\" target=\"_blank\" rel=\"noopener nofollow\">Ti\u00eau chu\u1ea9n ISO 7854<\/a> Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n c\u1ee7a d\u00e2y \u0111ai<\/strong> is a key step in ensuring consistent quality and customer satisfaction.<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding ISO 7854 and Its Importance The standard includes three different test methods, with Method C \u2013 the Crumple\/Flex method \u2013 being one of the most comprehensive approaches. It simulates real-world flexing conditions by subjecting coated fabrics to continuous twisting and compression, making it essential for industries where mechanical stress and repeated motion are common. [&hellip;]<\/p>","protected":false},"featured_media":8052,"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":[612],"class_list":["post-9862","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-iso"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard\/9862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media\/8052"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/media?parent=9862"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/vi\/wp-json\/wp\/v2\/standard-category?post=9862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}