{"id":10344,"date":"2026-07-21T15:31:27","date_gmt":"2026-07-21T07:31:27","guid":{"rendered":"https:\/\/www.packqc.com\/?post_type=standard&#038;p=10344"},"modified":"2026-07-21T15:31:27","modified_gmt":"2026-07-21T07:31:27","slug":"jis-k-7124-1","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/nn\/standard\/jis-k-7124-1\/","title":{"rendered":"JIS K 7124-1"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Plastic films are widely used in food packaging, medical packaging, industrial packaging, agricultural films, and consumer products. During transportation, handling, and storage, these materials experience sudden impacts that can lead to punctures or tears. <strong>JIS K 7124-1<\/strong> provides a standardized method for evaluating the <strong>dart impact resistance of film<\/strong> by determining the energy required to cause failure using a free-falling dart. Manufacturers rely on <strong>JIS K 7124-1<\/strong> testing to optimize material formulations, verify production quality, and ensure reliable packaging performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong><a href=\"https:\/\/www.packqc.com\/nn\/products\/fdt-01-dart-impact-tester\/\">FDT-01 Falling Dart Impact Tester<\/a><\/strong> from Cell Instruments is designed to perform <strong>JIS K 7124-1<\/strong>, ASTM D1709, ISO 7765-1, and GB\/T 9639.1 compliant testing. It delivers repeatable, automated measurements that help laboratories, quality engineers, and packaging manufacturers accurately evaluate film toughness.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is JIS K 7124-1?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>JIS K 7124-1<\/strong> is the Japanese Industrial Standard for determining the impact resistance of plastic film and sheeting using the free-falling dart method. The standard adopts the staircase testing procedure to identify the dart mass that causes specimen failure in approximately 50% of impacts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rather than measuring tensile strength or puncture resistance under slow loading conditions, <strong>JIS K 7124-1<\/strong> evaluates how films respond to sudden dynamic impacts, closely simulating accidental drops and handling damage encountered during real-world distribution.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The standard is widely used for evaluating:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polyethylene (PE) films<\/li>\n\n\n\n<li>Polypropylene (PP) films<\/li>\n\n\n\n<li>PET films<\/li>\n\n\n\n<li>PVC films<\/li>\n\n\n\n<li>Multilayer barrier films<\/li>\n\n\n\n<li>Laminated packaging materials<\/li>\n\n\n\n<li>Flexible packaging structures<\/li>\n\n\n\n<li>Plastic sheeting up to approximately 1 mm thick<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Why is JIS K 7124-1 Important?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Impact damage remains one of the leading causes of packaging failure throughout the supply chain. Testing according to <strong>JIS K 7124-1<\/strong> enables manufacturers to quantify material toughness before products reach customers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Key benefits include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Improved package reliability<\/strong> during shipping and handling<\/li>\n\n\n\n<li><strong>Optimized material selection<\/strong> without unnecessary increases in film thickness<\/li>\n\n\n\n<li><strong>Consistent production quality<\/strong> across manufacturing batches<\/li>\n\n\n\n<li><strong>Objective supplier qualification<\/strong> based on standardized data<\/li>\n\n\n\n<li><strong>Reduced product damage<\/strong> and customer complaints<\/li>\n\n\n\n<li><strong>Compliance with international quality requirements<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For packaging engineers, <strong>JIS K 7124-1<\/strong> provides valuable data for balancing packaging performance with production cost.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding the Dart Drop Test Principle<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>dart drop test<\/strong> measures the resistance of plastic film to impact from a freely falling hemispherical dart.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">During testing:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>A specimen is securely clamped.<\/li>\n\n\n\n<li>A dart with a specified diameter and weight is suspended.<\/li>\n\n\n\n<li>The dart falls vertically under gravity.<\/li>\n\n\n\n<li>The specimen either fails or survives the impact.<\/li>\n\n\n\n<li>Multiple drops are conducted using the staircase method.<\/li>\n\n\n\n<li>The tester automatically calculates the 50% failure impact level.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike static puncture tests, the <strong>dart drop test<\/strong> evaluates high-speed impact events, making it particularly useful for flexible packaging applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How JIS K 7124-1 Testing is Performed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A typical <strong>JIS K 7124-1<\/strong> testing procedure includes the following steps.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sample Preparation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Film specimens are cut to dimensions larger than 150 \u00d7 150 mm to ensure proper clamping and eliminate edge effects.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sample Mounting<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The specimen is secured using pneumatic clamps that maintain uniform tension without introducing wrinkles or distortion.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Method Selection<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The operator selects the appropriate staircase procedure and configures the initial dart weight.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dart Release<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">An electromagnetic release mechanism ensures the dart falls vertically with excellent repeatability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Failure Evaluation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Each impact is classified as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Failure<\/li>\n\n\n\n<li>Non-failure<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The software automatically adjusts the dart weight according to the staircase procedure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Result Calculation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">After the required number of impacts, the system calculates:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>50% failure weight (g)<\/li>\n\n\n\n<li>Impact energy (J)<\/li>\n\n\n\n<li>Test statistics<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The automatic calculation eliminates manual computation errors while improving testing efficiency.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FDT-01 Falling Dart Tester for JIS K 7124-1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>FDT-01 Falling Dart Impact Tester<\/strong> has been engineered specifically for laboratories requiring accurate JIS K 7124-1 compliance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Its industrial-grade automation simplifies operation while producing highly repeatable results.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1-.webp\" alt=\"JIS K 7124-1 FDT-01 Falling dart impact tester\" class=\"wp-image-10345\" style=\"width:307px;height:auto\" srcset=\"https:\/\/www.packqc.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1-.webp 600w, https:\/\/www.packqc.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1--300x300.webp 300w, https:\/\/www.packqc.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1--150x150.webp 150w, https:\/\/www.packqc.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1--12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pneumatic Sample Clamping<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pneumatic clamping ensures:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uniform specimen tension<\/li>\n\n\n\n<li>Fast loading<\/li>\n\n\n\n<li>Reduced operator variability<\/li>\n\n\n\n<li>Improved repeatability<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"wp-block-paragraph\"><strong>Precision Dart Release<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The electromagnetic suspension system provides:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stable release position<\/li>\n\n\n\n<li>Friction-free operation<\/li>\n\n\n\n<li>Excellent repeatability<\/li>\n\n\n\n<li>Improved measurement accuracy<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Intelligent Control System<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The tester combines:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PLC industrial controller<\/li>\n\n\n\n<li>7-inch touchscreen interface<\/li>\n\n\n\n<li>Automated test calculation<\/li>\n\n\n\n<li>User-friendly navigation<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Operators can complete testing with minimal training.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Automatic Result Processing<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The system automatically determines:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Critical dart mass<\/li>\n\n\n\n<li>Impact energy<\/li>\n\n\n\n<li>Test statistics<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Results can be:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Displayed on screen<\/li>\n\n\n\n<li>Printed using the integrated micro printer<\/li>\n\n\n\n<li>Exported through optional software<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Technical Specifications<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Parameter<\/th><th class=\"has-text-align-center\" data-align=\"center\">Specification<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Test Method<\/td><td class=\"has-text-align-center\" data-align=\"center\">Method A \/ Optional Method B<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Test Range<\/td><td class=\"has-text-align-center\" data-align=\"center\">Method A: 50\u20132000 g; Method B: 300\u20132000 g<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Dart Diameter<\/td><td class=\"has-text-align-center\" data-align=\"center\">Method A: 38 \u00b11 mm; Method B: 50 \u00b11 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Impact Height<\/td><td class=\"has-text-align-center\" data-align=\"center\">660 mm \/ 1500 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Resolution<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1 g (0.1 J)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Specimen Clamp<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pneumatic<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Gas Supply<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.6 MPa<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Specimen Size<\/td><td class=\"has-text-align-center\" data-align=\"center\">&gt;150 \u00d7150 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Power Supply<\/td><td class=\"has-text-align-center\" data-align=\"center\">AC 110\u2013220 V<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Control<\/td><td class=\"has-text-align-center\" data-align=\"center\">PLC + 7-inch Touchscreen<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Applications of JIS K 7124-1 Testing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>dart impact resistance of film<\/strong> is critical across numerous industries.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Flexible Packaging<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Manufacturers evaluate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Food packaging films<\/li>\n\n\n\n<li>Stand-up pouches<\/li>\n\n\n\n<li>Retort packaging<\/li>\n\n\n\n<li>Vacuum packaging<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Medical Packaging<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Testing helps verify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sterile barrier films<\/li>\n\n\n\n<li>Medical pouch materials<\/li>\n\n\n\n<li>Pharmaceutical packaging<\/li>\n\n\n\n<li>Device protective films<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Industrial Packaging<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Common applications include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Heavy-duty sacks<\/li>\n\n\n\n<li>Stretch films<\/li>\n\n\n\n<li>Protective liners<\/li>\n\n\n\n<li>Shipping bags<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Research and Development<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">R&amp;D laboratories compare:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Resin formulations<\/li>\n\n\n\n<li>Additive performance<\/li>\n\n\n\n<li>Film structures<\/li>\n\n\n\n<li>Layer configurations<\/li>\n\n\n\n<li>Processing conditions<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Advantages of Automated Falling Dart Tester Systems<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Compared with manual testing procedures, an automated <strong>falling dart tester<\/strong> offers significant operational benefits.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Manual Testing<\/th><th class=\"has-text-align-center\" data-align=\"center\">Automated FDT-01 <a href=\"https:\/\/www.packqc.com\/nn\/products\/fdt-01-dart-impact-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">Falling Dart Tester<\/a><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Manual calculations<\/td><td class=\"has-text-align-center\" data-align=\"center\">Automatic computation<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Greater operator variation<\/td><td class=\"has-text-align-center\" data-align=\"center\">Highly repeatable results<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Slower workflow<\/td><td class=\"has-text-align-center\" data-align=\"center\">Faster testing<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Higher risk of recording errors<\/td><td class=\"has-text-align-center\" data-align=\"center\">Automatic data storage<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Limited reporting<\/td><td class=\"has-text-align-center\" data-align=\"center\">Optional software export<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Automation improves productivity while maintaining consistent compliance with <strong>JIS K 7124-1<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related International Standards<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Many organizations require testing according to equivalent international standards.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Standard<\/th><th class=\"has-text-align-center\" data-align=\"center\">Description<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">JIS K 7124-1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Japanese free-falling dart impact test<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.packqc.com\/nn\/standard\/astm-d1709\/\" target=\"_blank\" rel=\"noreferrer noopener\">ASTM D1709<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\">Impact resistance of plastic film by free-falling dart<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.packqc.com\/nn\/standard\/iso-7765-1\/\" target=\"_blank\" rel=\"noreferrer noopener\">ISO 7765-1<\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\">Plastics film and sheeting\u2014staircase methods<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GB\/T 9639.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Chinese equivalent standard<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The FDT-01 supports laboratories serving global customers by meeting multiple international standards with one instrument.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Choose Cell Instruments?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cell Instruments specializes in mechanical property testing solutions for flexible packaging, medical packaging, pharmaceutical packaging, paper packaging, and industrial materials.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beyond standard instruments, we provide:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Customized fixtures<\/li>\n\n\n\n<li>Multi-station testing systems<\/li>\n\n\n\n<li>Automated testing solutions<\/li>\n\n\n\n<li>Industry-specific configurations<\/li>\n\n\n\n<li>Technical application support<\/li>\n\n\n\n<li>Professional installation and training<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Our testing solutions are designed to help laboratories improve accuracy, efficiency, and compliance while meeting evolving quality requirements.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What materials can be tested according to JIS K 7124-1?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The method is suitable for plastic films, multilayer laminates, composite films, flexible packaging materials, and thin plastic sheeting with thicknesses generally up to 1 mm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the purpose of the staircase method?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The staircase method efficiently determines the dart mass corresponding to approximately 50% specimen failure, reducing the number of samples needed while maintaining statistical reliability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Is JIS K 7124-1 equivalent to ISO 7765-1?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. <strong>JIS K 7124-1<\/strong> is technically aligned with <strong>ISO 7765-1<\/strong>, making it suitable for laboratories serving both Japanese and international markets.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Which industries commonly perform dart impact testing?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Packaging manufacturers, medical packaging companies, pharmaceutical suppliers, plastics processors, film manufacturers, quality control laboratories, and research institutions routinely perform <strong>JIS K 7124-1<\/strong> testing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.packqc.com\/nn\/products\/fdt-01-dart-impact-tester\/\">FDT-01 Falling Dart Impact Tester <\/a>determines the impact resistance of plastic films and flexible packaging materials using the free-falling dart method specified by <a href=\"https:\/\/webdesk.jsa.or.jp\/books\/W11M0090\/index\/?bunsyo_id=JIS+K+7124-1%3A1999\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">JIS K 7124-1<\/a>, ASTM D1709, ISO 7765-1, and GB\/T 9639.1. Featuring PLC control, an intuitive touchscreen interface, pneumatic specimen clamping, electromagnetic dart release, and automatic result calculation, the system delivers accurate, repeatable measurements for quality control, product development, material comparison, and standards-compliant laboratory testing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Plastic films are widely used in food packaging, medical packaging, industrial packaging, agricultural films, and consumer products. During transportation, handling, and storage, these materials experience sudden impacts that can lead to punctures or tears. JIS K 7124-1 provides a standardized method for evaluating the dart impact resistance of film by determining the energy required to [&hellip;]<\/p>","protected":false},"featured_media":10345,"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":"disabled","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":[623],"class_list":["post-10344","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-jis"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/standard\/10344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/media\/10345"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/media?parent=10344"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/standard-category?post=10344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}