{"id":3329,"date":"2026-06-09T06:23:22","date_gmt":"2026-06-09T06:23:22","guid":{"rendered":"https:\/\/www.materialstests.com\/?post_type=application&#038;p=3329"},"modified":"2026-06-09T06:26:39","modified_gmt":"2026-06-09T06:26:39","slug":"astm-d1709","status":"publish","type":"application","link":"https:\/\/www.materialstests.com\/tr\/application\/astm-d1709.html","title":{"rendered":"ASTM D1709"},"content":{"rendered":"<h2 class=\"wp-block-heading\">What Is ASTM D1709?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D1709, <em>Standard Test Methods for Impact Resistance of Plastic Film by the Free-Falling Dart Method<\/em>, specifies procedures for determining the impact resistance of plastic films and sheets.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The test measures the energy required to cause failure of a specimen when struck by a hemispherical dart dropped from a specified height. Results are typically reported as the dart mass or impact energy corresponding to a statistically determined 50% failure rate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bu <strong>dart impact test standard<\/strong> is commonly applied to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polyethylene (PE) films<\/li>\n\n\n\n<li>Linear low-density polyethylene (LLDPE) films<\/li>\n\n\n\n<li>Low-density polyethylene (LDPE) films<\/li>\n\n\n\n<li>High-density polyethylene (HDPE) films<\/li>\n\n\n\n<li>Multilayer barrier films<\/li>\n\n\n\n<li>Stretch films<\/li>\n\n\n\n<li>Shrink films<\/li>\n\n\n\n<li>Agricultural films<\/li>\n\n\n\n<li>Medical packaging films<\/li>\n\n\n\n<li>Pharmaceutical packaging materials<\/li>\n\n\n\n<li>Industrial protective films<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding the ASTM D1709 Test Methods<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The standard includes two primary testing methods.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Test Method A<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Method A uses:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-center\" data-align=\"center\">Parametre<\/th><th class=\"has-text-align-center\" data-align=\"center\">Requirement<\/th><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Dart Head Diameter<\/td><td class=\"has-text-align-center\" data-align=\"center\">38.1 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Drop Height<\/td><td class=\"has-text-align-center\" data-align=\"center\">660 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Typical Test Range<\/td><td class=\"has-text-align-center\" data-align=\"center\">Approximately 50 g to 6 kg<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Method A is commonly used for thinner and lower-impact-resistance films.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Test Method B<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Parametre<\/td><td class=\"has-text-align-center\" data-align=\"center\">Requirement<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Dart Head Diameter<\/td><td class=\"has-text-align-center\" data-align=\"center\">50.8 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Drop Height<\/td><td class=\"has-text-align-center\" data-align=\"center\">1520 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Typical Test Range<\/td><td class=\"has-text-align-center\" data-align=\"center\">Approximately 300 g to 6 kg<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Method B is generally selected for stronger films requiring higher impact energies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Results obtained from Method A and Method B should not be directly compared because the test conditions differ significantly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Does the Dart Drop Test Method Work?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bu <strong>dart drop test method<\/strong> evaluates the ability of a plastic film specimen to resist failure from a controlled impact.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The basic principle involves:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Clamping a specimen securely in a circular fixture.<\/li>\n\n\n\n<li>Selecting an appropriate dart weight.<\/li>\n\n\n\n<li>Positioning the dart at the specified height.<\/li>\n\n\n\n<li>Releasing the dart vertically.<\/li>\n\n\n\n<li>Observing whether the specimen fails.<\/li>\n\n\n\n<li>Adjusting dart weight according to the testing procedure.<\/li>\n\n\n\n<li>Determining the impact failure weight corresponding to a 50% failure probability.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">The test simulates real-world impact conditions encountered by packaging materials during handling and distribution.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Staircase Testing Technique<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The staircase method is the primary procedure specified in ASTM D1709.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this approach:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>One specimen is tested at a time.<\/li>\n\n\n\n<li>The dart weight is increased after a non-failure result.<\/li>\n\n\n\n<li>The dart weight is decreased after a failure result.<\/li>\n\n\n\n<li>A constant weight increment is used throughout testing.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This method efficiently identifies the impact level at which approximately half of the specimens fail.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Typical Staircase Sequence<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Test Number<\/td><td class=\"has-text-align-center\" data-align=\"center\">Dart Weight<\/td><td class=\"has-text-align-center\" data-align=\"center\">Result<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">300 g<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pass<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td class=\"has-text-align-center\" data-align=\"center\">330 g<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pass<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">360 g<\/td><td class=\"has-text-align-center\" data-align=\"center\">Fail<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\">330 g<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pass<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">360 g<\/td><td class=\"has-text-align-center\" data-align=\"center\">Fail<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The sequence continues until the required number of failures and non-failures is achieved.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alternative Group Testing Technique<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The alternative procedure tests specimens in groups of ten.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For each group:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>One dart weight is selected.<\/li>\n\n\n\n<li>The percentage of failures is recorded.<\/li>\n\n\n\n<li>Dart weight is adjusted between groups.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Testing continues until sufficient data points are generated to establish the 50% failure level.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This method is often used in research and material characterization programs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Equipment Required for ASTM D1709 Testing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A compliant <strong>dart drop impact tester<\/strong> should include:<\/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\">Dart Assembly<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hemispherical dart heads<\/li>\n\n\n\n<li>Precision weight system<\/li>\n\n\n\n<li>Incremental mass adjustments<\/li>\n\n\n\n<li>Standard-compliant dimensions<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Dart Release Mechanism<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Electromagnetic or pneumatic release<\/li>\n\n\n\n<li>Precise vertical alignment<\/li>\n\n\n\n<li>Repeatable drop conditions<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Measurement System<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Impact result calculations<\/li>\n\n\n\n<li>Data recording<\/li>\n\n\n\n<li>Statistical analysis capability<\/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\">Specimen Clamping System<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Annular clamp structure<\/li>\n\n\n\n<li>Uniform clamping pressure<\/li>\n\n\n\n<li>Slip-resistant design<\/li>\n\n\n\n<li>Consistent specimen positioning<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">G\u00fcvenlik \u00d6zellikleri<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Protective shielding<\/li>\n\n\n\n<li>Dart recovery protection<\/li>\n\n\n\n<li>Operator safety mechanisms<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1709 Dart Drop Impact Tester from Cell Instruments<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/www.materialstests.com\/tr\/products\/fdt-01-falling-dart-impact-tester.html\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2026\/06\/Dart-Drop-Impact-Tester-for-Plastic-Film-Testing.webp\" alt=\"ASTM D1709 Plastik Film Testi i\u00e7in Dart D\u00fc\u015fme Darbe Test Cihaz\u0131\" class=\"wp-image-3330\" style=\"width:330px;height:auto\" srcset=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2026\/06\/Dart-Drop-Impact-Tester-for-Plastic-Film-Testing.webp 600w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2026\/06\/Dart-Drop-Impact-Tester-for-Plastic-Film-Testing-300x300.webp 300w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2026\/06\/Dart-Drop-Impact-Tester-for-Plastic-Film-Testing-150x150.webp 150w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2026\/06\/Dart-Drop-Impact-Tester-for-Plastic-Film-Testing-12x12.webp 12w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><figcaption class=\"wp-element-caption\">ASTM D1709 Plastik Film Testi i\u00e7in Dart D\u00fc\u015fme Darbe Test Cihaz\u0131<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Cell Instruments offers a professional <strong>dart drop impact tester<\/strong> designed for <strong>ASTM D1709 dart impact test for plastic film<\/strong> applications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key Features<\/h3>\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<h4 class=\"wp-block-heading\">Smart Control System<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PLC-based industrial control<\/li>\n\n\n\n<li>7-inch touchscreen interface<\/li>\n\n\n\n<li>Intuitive operation<\/li>\n\n\n\n<li>Stable performance<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">High-Precision Dart Release<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Electromagnetic suspension system<\/li>\n\n\n\n<li>Consistent dart release<\/li>\n\n\n\n<li>Excellent repeatability<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Enhanced Operator Safety<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Foot-switch operation<\/li>\n\n\n\n<li>Dedicated test button<\/li>\n\n\n\n<li>Integrated observation light<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Pneumatic Clamping<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Secure specimen fixation<\/li>\n\n\n\n<li>Reduced specimen distortion<\/li>\n\n\n\n<li>Improved test consistency<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Data Management Options<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optional micro-printer<\/li>\n\n\n\n<li>Optional software package<\/li>\n\n\n\n<li>Report generation and export capabilities<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Automatic Result Processing<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automatic calculation of impact results<\/li>\n\n\n\n<li>Elimination of manual calculations<\/li>\n\n\n\n<li>Improved testing efficiency<\/li>\n\n\n\n<li>Reduced operator error<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Teknik \u00d6zellikler<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u00d6\u011fe<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u015eartname<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Test Y\u00f6ntemi<\/td><td class=\"has-text-align-center\" data-align=\"center\">ASTM D1709 Method A \/ Method B (Optional)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Test Aral\u0131\u011f\u0131<\/td><td class=\"has-text-align-center\" data-align=\"center\">Method A: 50\u20132000 g<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\">Method B: 300\u20132000 g<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Dart \u00c7ap\u0131<\/td><td class=\"has-text-align-center\" data-align=\"center\">Method A: 38 \u00b1 1 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\">Method B: 50 \u00b1 1 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Etki Y\u00fcksekli\u011fi<\/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\">Do\u011fruluk<\/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\">Kelep\u00e7e Tipi<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pn\u00f6matik Kelep\u00e7e<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Gaz Temini<\/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\">Numune Boyutu<\/td><td class=\"has-text-align-center\" data-align=\"center\">&gt;150 mm \u00d7 150 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">G\u00fc\u00e7 Kayna\u011f\u0131<\/td><td class=\"has-text-align-center\" data-align=\"center\">AC 110\u2013220 V, 50 Hz<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Related Impact Testing Standards<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Organizations often use ASTM D1709 alongside other packaging and film testing standards.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Standart<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>A\u00e7\u0131klama<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ASTM D3420<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pendulum impact resistance of plastic film<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ASTM D882<\/td><td class=\"has-text-align-center\" data-align=\"center\">Tensile properties of thin plastic sheeting<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ASTM D1922<\/td><td class=\"has-text-align-center\" data-align=\"center\">Elmendorf tear resistance<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ISO 7765-1<\/td><td class=\"has-text-align-center\" data-align=\"center\">Free-falling dart impact test, staircase method<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Choosing the Right Dart Impact Testing Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When selecting equipment for <strong><a href=\"https:\/\/store.astm.org\/d1709-24.html\" target=\"_blank\" rel=\"noreferrer noopener\">ASTM D1709<\/a><\/strong> compliance, laboratories should evaluate:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Method A and Method B capability<\/li>\n\n\n\n<li>Automation level<\/li>\n\n\n\n<li>Result calculation functions<\/li>\n\n\n\n<li>Data management requirements<\/li>\n\n\n\n<li>Repeatability and accuracy<\/li>\n\n\n\n<li>Safety design<\/li>\n\n\n\n<li>Future testing needs<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A properly designed <strong>dart drop impact tester<\/strong> enables reliable impact resistance evaluation, supports quality assurance programs, and helps manufacturers develop stronger, more durable plastic film products.<\/p>","protected":false},"excerpt":{"rendered":"<p>What Is ASTM D1709? ASTM D1709, Standard Test Methods for Impact Resistance of Plastic Film by the Free-Falling Dart Method, specifies procedures for determining the impact resistance of plastic films and sheets. The test measures the energy required to cause failure of a specimen when struck by a hemispherical dart dropped from a specified height. [&hellip;]<\/p>","protected":false},"featured_media":3330,"parent":0,"template":"","meta":{"_acf_changed":false},"standard":[],"class_list":["post-3329","application","type-application","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/tr\/wp-json\/wp\/v2\/application\/3329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/tr\/wp-json\/wp\/v2\/application"}],"about":[{"href":"https:\/\/www.materialstests.com\/tr\/wp-json\/wp\/v2\/types\/application"}],"version-history":[{"count":2,"href":"https:\/\/www.materialstests.com\/tr\/wp-json\/wp\/v2\/application\/3329\/revisions"}],"predecessor-version":[{"id":3333,"href":"https:\/\/www.materialstests.com\/tr\/wp-json\/wp\/v2\/application\/3329\/revisions\/3333"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/tr\/wp-json\/wp\/v2\/media\/3330"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/tr\/wp-json\/wp\/v2\/media?parent=3329"}],"wp:term":[{"taxonomy":"standard","embeddable":true,"href":"https:\/\/www.materialstests.com\/tr\/wp-json\/wp\/v2\/standard?post=3329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}