{"id":8043,"date":"2026-07-21T15:51:50","date_gmt":"2026-07-21T07:51:50","guid":{"rendered":"https:\/\/www.qualitester.com\/?page_id=8043"},"modified":"2026-07-21T15:53:16","modified_gmt":"2026-07-21T07:53:16","slug":"jis-k-7124-1","status":"publish","type":"page","link":"https:\/\/www.qualitester.com\/ja\/standards\/jis-k-7124-1\/","title":{"rendered":"JIS K 7124-1"},"content":{"rendered":"<p>Plastic films used in packaging, industrial products, and protective materials must withstand accidental impacts during production, transportation, and storage. <strong>JIS K 7124-1<\/strong> \u2026\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u65b9\u6cd5\u3092\u898f\u5b9a\u3059\u308b\u3002 <strong>dart impact strength of film<\/strong> by using a <strong>free falling dart impact tester<\/strong>. This test enables manufacturers to quantify a film&#8217;s resistance to sudden impact, helping engineers optimize material selection, improve product quality, and ensure consistent performance.<\/p>\n<p>For laboratories, quality engineers, and packaging manufacturers, <strong>JIS K 7124-1<\/strong> provides a repeatable and internationally recognized procedure for evaluating impact resistance. Whether developing new film structures or verifying production consistency, this test supplies objective data for informed decision-making.<\/p>\n<h2>What Is JIS K 7124-1?<\/h2>\n<p><strong>JIS K 7124-1<\/strong> is the Japanese Industrial Standard that specifies the determination of impact resistance of plastic film and sheeting using the <strong>free-falling dart method<\/strong>. The method follows the staircase testing procedure, where successive specimens are tested with varying dart masses until the 50% failure point is statistically determined.<\/p>\n<p>The standard is technically aligned with ISO 7765-1 and serves manufacturers producing plastic films for domestic and international markets.<\/p>\n<p>The measured result represents the impact energy required to cause failure under controlled conditions, providing an excellent indicator of material toughness.<\/p>\n<h2>Why Is JIS K 7124-1 Important?<\/h2>\n<p>Impact resistance directly influences package reliability throughout the supply chain. Films with insufficient impact strength may puncture or tear during handling, leading to product damage, contamination, or customer complaints.<\/p>\n<p>Testing according to <strong>JIS K 7124-1<\/strong> \u3044\u304f\u3064\u304b\u306e\u5229\u70b9\u304c\u3042\u308a\u307e\u3059:<\/p>\n<ul>\n<li><strong>Verifies product quality<\/strong> before shipment<\/li>\n<li><strong>Optimizes film thickness<\/strong> without sacrificing performance<\/li>\n<li><strong>Supports material comparison<\/strong> during R&amp;D<\/li>\n<li><strong>Evaluates supplier consistency<\/strong><\/li>\n<li><strong>Reduces packaging failures<\/strong> during transportation<\/li>\n<li><strong>Improves production quality control<\/strong><\/li>\n<\/ul>\n<p>By establishing measurable performance targets, manufacturers can balance cost efficiency with product protection.<\/p>\n<h2>Princ<span style=\"font-size: 1.7em; font-weight: bold;\">iple of the Dart Impact Strength of Film Test<\/span><\/h2>\n<p>\u306e <strong>dart impact strength of film<\/strong> test simulates a sudden impact by allowing a hemispherical dart of specified dimensions to fall freely from a fixed height onto a clamped specimen.<\/p>\n<p>Each specimen either:<\/p>\n<ul>\n<li>Fails (penetration or rupture)<\/li>\n<li>Passes (no failure)<\/li>\n<\/ul>\n<p>The staircase method adjusts the dart mass after each result until sufficient data are collected. Statistical calculations then determine the dart weight corresponding to approximately 50% specimen failure.<\/p>\n<p>This value may be expressed as:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Dart Mass<\/td>\n<td>Critical weight causing 50% failures (g)<\/td>\n<\/tr>\n<tr>\n<td>\u30a4\u30f3\u30d1\u30af\u30c8\u30fb\u30a8\u30cd\u30eb\u30ae\u30fc<\/td>\n<td>Equivalent impact energy (J)<\/td>\n<\/tr>\n<tr>\n<td>Failure Rate<\/td>\n<td>Statistical evaluation based on staircase method<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>These values provide reliable comparisons between materials and production batches.<\/p>\n<h2>How Is JIS K 7124-1 Performed?<\/h2>\n<p>A typical <strong>JIS K 7124-1<\/strong> test follows these steps:<\/p>\n<h3>\u30b5\u30f3\u30d7\u30eb\u306e\u6e96\u5099<\/h3>\n<p>Specimens are cut to dimensions larger than 150 mm \u00d7 150 mm and conditioned according to laboratory requirements.<\/p>\n<h3>Sample Mounting<\/h3>\n<p>The film is securely clamped using a pneumatic clamping system to eliminate wrinkles or uneven tension.<\/p>\n<h3>Test Method Selection<\/h3>\n<p>Operators choose Method A or Method B depending on the required testing range and product characteristics.<\/p>\n<h3>Dart Release<\/h3>\n<p>\u306e <strong>free-falling dart impact tester<\/strong> releases the dart electromagnetically, allowing gravity to generate a consistent impact.<\/p>\n<h3>Failure Evaluation<\/h3>\n<p>After impact, the operator records whether the specimen failed or remained intact.<\/p>\n<h3>\u81ea\u52d5\u8a08\u7b97<\/h3>\n<p>Modern instruments automatically calculate the 50% failure point after completion of the staircase sequence.<\/p>\n<h2>FDT-01 Free Falling Dart Impact Tester<\/h2>\n<p>\u306e <strong>FDT-01 <a href=\"https:\/\/www.qualitester.com\/ja\/%e8%a3%bd%e5%93%81\/fdt-01-polypropylene-film-drop-dart-tester\/\" target=\"_blank\" rel=\"noopener\">\u843d\u9318\u885d\u6483\u8a66\u9a13\u6a5f<\/a><\/strong> is designed for accurate testing according to <strong>JIS K 7124-1<\/strong>, ISO 7765-1, ASTM D1709, and GB\/T 9639.1.<\/p>\n<h2 style=\"font-style: normal;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft wp-image-8045 size-medium\" style=\"font-weight: inherit; font-size: 16px;\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1-FDT-01-300x300.webp\" alt=\"JIS K 7124-1 FDT-01 Falling Dart Impact Tester\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1-FDT-01-300x300.webp 300w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1-FDT-01-150x150.webp 150w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1-FDT-01-12x12.webp 12w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1-FDT-01-100x100.webp 100w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/JIS-K-7124-1-FDT-01.webp 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/h2>\n<p><strong>Intelligent Automation<\/strong><\/p>\n<p>The instrument incorporates:<\/p>\n<ul>\n<li>PLC industrial control system<\/li>\n<li>7-inch color touchscreen interface<\/li>\n<li>Automatic staircase calculations<\/li>\n<li>Statistical result generation<\/li>\n<li>Gram and Joule display<\/li>\n<\/ul>\n<p>Automation minimizes operator error and significantly reduces calculation time.<\/p>\n<p><strong>High-Precision Dart Release<\/strong><\/p>\n<p>Consistent impact conditions are achieved through:<\/p>\n<ul>\n<li>Electromagnetic dart suspension<\/li>\n<li>Stable release mechanism<\/li>\n<li>Accurate impact height<\/li>\n<li>Excellent repeatability<\/li>\n<\/ul>\n<p>These features ensure reliable compliance with <strong>JIS K 7124-1<\/strong>.<\/p>\n<p><strong>\u7a7a\u6c17\u5727\u30b5\u30f3\u30d7\u30eb\u30af\u30e9\u30f3\u30d7<\/strong><\/p>\n<p>Uniform specimen tension is maintained through pneumatic clamping, preventing distortion that could affect test accuracy.<\/p>\n<p><strong>Convenient Data Management<\/strong><\/p>\n<p>The tester supports:<\/p>\n<ul>\n<li>On-screen results<\/li>\n<li>Micro-printer output<\/li>\n<li>Optional computer software<\/li>\n<li>Digital report export<\/li>\n<li>Laboratory record management<\/li>\n<\/ul>\n<h2>\u6280\u8853\u4ed5\u69d8<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>\u4ed5\u69d8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">\u8a66\u9a13\u65b9\u6cd5<\/td>\n<td style=\"text-align: center;\">Method A \/ Method B (optional)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u30c6\u30b9\u30c8\u7bc4\u56f2<\/td>\n<td style=\"text-align: center;\">Method A: 50\u20132000 g<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\">Method B: 300\u20132000 g<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Dart Diameter<\/td>\n<td style=\"text-align: center;\">Method A: 38 \u00b11 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><\/td>\n<td style=\"text-align: center;\">Method B: 50 \u00b11 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u885d\u7a81\u9ad8\u3055<\/td>\n<td style=\"text-align: center;\">660 mm \/ 1500 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u89e3\u6c7a<\/td>\n<td style=\"text-align: center;\">0.1 g (0.1 J)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Sample Clamp<\/td>\n<td style=\"text-align: center;\">Pneumatic<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u6a19\u672c\u30b5\u30a4\u30ba<\/td>\n<td style=\"text-align: center;\">&gt;150 \u00d7150 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">Air Supply<\/td>\n<td style=\"text-align: center;\">0.6MPa<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u529b<\/td>\n<td style=\"text-align: center;\">AC110\u2013220V, 50 Hz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Materials Suitable for JIS K 7124-1 Testing<\/h2>\n<p>\u306e <strong>dart impact strength of film<\/strong> test applies to numerous flexible materials, including:<\/p>\n<ul>\n<li>\u30dd\u30ea\u30a8\u30c1\u30ec\u30f3\uff08PE\uff09<\/li>\n<li>\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\uff08PP\uff09<\/li>\n<li>\u30dd\u30ea\u30a8\u30b9\u30c6\u30eb\uff08PET\uff09<\/li>\n<li>PVC films<\/li>\n<li>Barrier films<\/li>\n<li>Multi-layer laminated films<\/li>\n<li>Metallized films<\/li>\n<li>Plastic sheeting<\/li>\n<li>Composite flexible packaging<\/li>\n<li>Coated paper laminates<\/li>\n<\/ul>\n<p>Typical specimen thickness is up to approximately 1 mm.<\/p>\n<h2>Industries That Benefit from JIS K 7124-1<\/h2>\n<p>Many industries rely on <strong>JIS K 7124-1<\/strong> testing to verify packaging durability.<\/p>\n<h3>\u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u5305\u88c5<\/h3>\n<p>Manufacturers evaluate pouch films, wrapping films, and shipping materials before production release.<\/p>\n<h3>\u98df\u54c1\u5305\u88c5<\/h3>\n<p>Impact-resistant films help prevent package failure throughout transportation and retail distribution.<\/p>\n<h3>Pharmaceutical Packaging<\/h3>\n<p>Medical and pharmaceutical packaging requires dependable mechanical performance to maintain product integrity.<\/p>\n<h3>Consumer Products<\/h3>\n<p>Protective packaging for electronics, cosmetics, and household products frequently undergoes impact testing.<\/p>\n<h3>Material Development<\/h3>\n<p>R&amp;D departments compare resin formulations, additives, processing conditions, and multilayer structures using standardized impact data.<\/p>\n<h2>Comparison with Related Impact Test Standards<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/th>\n<th>\u8a66\u9a13\u65b9\u6cd5<\/th>\n<th>Primary Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>JIS K 7124-1<\/strong><\/td>\n<td>Staircase free-falling dart<\/td>\n<td>Plastic film impact resistance<\/td>\n<\/tr>\n<tr>\n<td>ASTM D1709<\/td>\n<td>Free-falling dart<\/td>\n<td>Plastic films<\/td>\n<\/tr>\n<tr>\n<td>7765-1 \u898f\u683c<\/td>\n<td>Staircase dart method<\/td>\n<td>\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30d5\u30a3\u30eb\u30e0\u304a\u3088\u3073\u30b7\u30fc\u30c8<\/td>\n<\/tr>\n<tr>\n<td>GB\/T 9639.1<\/td>\n<td>Free-falling dart<\/td>\n<td>Chinese national equivalent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Because these standards are technically similar, laboratories serving international customers can often use one instrument for multiple testing requirements.<\/p>\n<h2>Advantages of Using the FDT-01<\/h2>\n<p>Compared with traditional manual impact testing, the FDT-01 offers several advantages:<\/p>\n<ul>\n<li>Fully compliant with <strong>JIS K 7124-1<\/strong><\/li>\n<li>High testing repeatability<\/li>\n<li>\u7d71\u8a08\u8a08\u7b97\u306e\u81ea\u52d5\u5316<\/li>\n<li>Fast touchscreen operation<\/li>\n<li>\u7a7a\u6c17\u5727\u5f0f\u8a66\u6599\u30af\u30e9\u30f3\u30d7<\/li>\n<li>Electromagnetic dart release<\/li>\n<li>Reduced operator workload<\/li>\n<li>Optional software for digital records<\/li>\n<li>Reliable quality control for production and R&amp;D<\/li>\n<\/ul>\n<p>These features help laboratories increase productivity while maintaining accurate and traceable test results.<\/p>\n<h2>Related Impact Testing Equipment<\/h2>\n<p>Different materials require different impact testing methods. Cell Instruments also provides:<\/p>\n<table>\n<thead>\n<tr>\n<th>Instrument<\/th>\n<th>Primary Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>FBT-01 \u843d\u7403\u885d\u6483\u8a66\u9a13\u6a5f<\/strong><\/td>\n<td>Impact resistance of rigid plastics, sheets, and panels<\/td>\n<\/tr>\n<tr>\n<td><strong>PIT-01 \u632f\u308a\u5b50\u885d\u6483\u8a66\u9a13\u6a5f<\/strong><\/td>\n<td>Pendulum impact testing for plastics and engineering materials<\/td>\n<\/tr>\n<tr>\n<td><strong>PHS-01 IEC Electronic Products Impact Tester<\/strong><\/td>\n<td>Mechanical impact testing for electronic products<\/td>\n<\/tr>\n<tr>\n<td><strong>Charpy &amp; Izod Impact Tester<\/strong><\/td>\n<td>Impact testing of rigid plastic specimens<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Selecting the appropriate tester depends on material type, product geometry, and applicable testing standards.<\/p>\n<h2>Cell Instruments \u3092\u9078\u3076\u7406\u7531<\/h2>\n<p>Cell Instruments specializes in mechanical property testing equipment for packaging materials, medical devices, pharmaceuticals, plastics, paper, and flexible packaging industries.<\/p>\n<p>Beyond standard laboratory instruments, we provide:<\/p>\n<ul>\n<li>Customized fixtures<\/li>\n<li>Multi-station testing systems<\/li>\n<li>Automated testing solutions<\/li>\n<li>Application-specific engineering support<\/li>\n<li>International standards compliance<\/li>\n<li>Professional technical consultation<\/li>\n<\/ul>\n<p>With extensive expertise in flexible packaging testing, we help laboratories establish reliable quality control procedures while meeting global testing standards.<\/p>\n<p>\u306e <strong>FDT-01 \u843d\u4e0b\u30c0\u30fc\u30c4\u885d\u6483\u8a66\u9a13\u6a5f<\/strong> \u3092\u6e2c\u5b9a\u3059\u308b <strong>dart impact strength of film<\/strong> according to <a href=\"https:\/\/webdesk.jsa.or.jp\/books\/W11M0090\/index\/?bunsyo_id=JIS+K+7124-1%3A1999\" target=\"_blank\" rel=\"noopener nofollow\">JIS K 7124-1<\/a> using the free-falling dart staircase method. Designed for plastic films, laminates, barrier materials, and flexible packaging, it features PLC control, a touchscreen interface, pneumatic specimen clamping, electromagnetic dart release, and automatic statistical calculations. The instrument delivers accurate, repeatable impact resistance data for quality control, material development, supplier qualification, and standards compliance.<\/p>","protected":false},"excerpt":{"rendered":"<p>Plastic films used in packaging, industrial products, and protective materials must withstand accidental impacts during production, transportation, and storage. JIS K 7124-1 specifies a standardized method for determining the dart impact strength of film by using a free falling dart impact tester. This test enables manufacturers to quantify a film&#8217;s resistance to sudden impact, helping engineers optimize material selection, improve product quality, and ensure consistent performance. For laboratories, quality engineers, and packaging manufacturers, JIS K 7124-1 provides a repeatable and internationally recognized procedure for evaluating impact resistance. Whether developing new film structures or verifying production consistency, this test supplies objective data for informed decision-making. What Is JIS K 7124-1? JIS &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/ja\/standards\/jis-k-7124-1\/\"> <span class=\"screen-reader-text\">JIS K 7124-1<\/span> \u3082\u3063\u3068\u8aad\u3080 \"<\/a><\/p>","protected":false},"author":9,"featured_media":8045,"parent":4948,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"class_list":["post-8043","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages\/8043","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/comments?post=8043"}],"version-history":[{"count":3,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages\/8043\/revisions"}],"predecessor-version":[{"id":8054,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages\/8043\/revisions\/8054"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/pages\/4948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/media\/8045"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/ja\/wp-json\/wp\/v2\/media?parent=8043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}