{"id":1326,"date":"2025-08-04T03:30:55","date_gmt":"2025-08-04T03:30:55","guid":{"rendered":"https:\/\/www.filmpendulumimpact.com\/?page_id=1326"},"modified":"2025-08-04T03:30:57","modified_gmt":"2025-08-04T03:30:57","slug":"astm-d3420","status":"publish","type":"page","link":"https:\/\/www.filmpendulumimpact.com\/ja\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1326\" class=\"elementor elementor-1326\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6fa5dd45 e-flex e-con-boxed e-con e-parent\" data-id=\"6fa5dd45\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6df3f81c elementor-widget elementor-widget-text-editor\" data-id=\"6df3f81c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\n\n\n<p><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b9831ac e-flex e-con-boxed e-con e-parent\" data-id=\"b9831ac\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09a113d elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"09a113d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"760\" src=\"https:\/\/www.filmpendulumimpact.com\/wp-content\/uploads\/2025\/08\/pendulum-impact-tester-2_11zon-768x760.webp\" class=\"attachment-medium_large size-medium_large wp-image-1328\" alt=\"astm d3420 for film pendulum impact tester\" srcset=\"https:\/\/www.filmpendulumimpact.com\/wp-content\/uploads\/2025\/08\/pendulum-impact-tester-2_11zon-768x760.webp 768w, https:\/\/www.filmpendulumimpact.com\/wp-content\/uploads\/2025\/08\/pendulum-impact-tester-2_11zon-300x297.webp 300w, https:\/\/www.filmpendulumimpact.com\/wp-content\/uploads\/2025\/08\/pendulum-impact-tester-2_11zon-1024x1014.webp 1024w, https:\/\/www.filmpendulumimpact.com\/wp-content\/uploads\/2025\/08\/pendulum-impact-tester-2_11zon-1536x1521.webp 1536w, https:\/\/www.filmpendulumimpact.com\/wp-content\/uploads\/2025\/08\/pendulum-impact-tester-2_11zon-2048x2027.webp 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ae65f3d e-con-full e-flex e-con e-child\" data-id=\"ae65f3d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1c52289 elementor-widget elementor-widget-heading\" data-id=\"1c52289\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ASTM D3420<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31ef404 elementor-widget elementor-widget-heading\" data-id=\"31ef404\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Film Pendulum Impact Testing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8613a03 e-con-full e-flex e-con e-child\" data-id=\"8613a03\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-797f492 elementor-widget elementor-widget-text-editor\" data-id=\"797f492\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"495\" data-end=\"885\">For packaging, medical, and industrial films, <strong data-start=\"541\" data-end=\"562\">impact resistance<\/strong> is a critical property that determines a material\u2019s ability to withstand sudden mechanical stress during production, shipping, and use. The <strong data-start=\"703\" data-end=\"717\">ASTM D3420<\/strong> standard provides a reliable and repeatable method to evaluate this property through a <strong data-start=\"805\" data-end=\"834\">film pendulum impact test<\/strong>, often referred to as the <strong data-start=\"861\" data-end=\"884\">Spencer impact test<\/strong>.<\/p>\n<p data-start=\"887\" data-end=\"1191\">This guide introduces the principles behind <strong data-start=\"931\" data-end=\"945\">ASTM D3420<\/strong>, explains key test procedures, and demonstrates how modern <strong data-start=\"1005\" data-end=\"1042\">pendulum impact testing equipment<\/strong>\u2014like the <strong data-start=\"1052\" data-end=\"1085\">PIT-01 Pendulum Impact Tester<\/strong> from Cell Instruments\u2014ensures accurate measurement of the <strong data-start=\"1144\" data-end=\"1190\">pendulum impact resistance of plastic film<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f4bdff6 e-flex e-con-boxed e-con e-parent\" data-id=\"f4bdff6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-777691f elementor-widget elementor-widget-heading\" data-id=\"777691f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Understanding ASTM Standards for Impact Testing of Plastics<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ef8e247 e-flex e-con-boxed e-con e-parent\" data-id=\"ef8e247\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bffaf72 elementor-widget elementor-widget-text-editor\" data-id=\"bffaf72\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1263\" data-end=\"1554\"><strong data-start=\"1263\" data-end=\"1277\">ASTM D3420<\/strong> measures the energy required to rupture a film by a pendulum-style impact, simulating dynamic tensile loading. Unlike slow-speed tensile tests, this high-speed impact test better reflects real-world strain rates experienced in flexible packaging and plastic film applications.<\/p>\n<p data-start=\"1556\" data-end=\"1591\">There are two main test procedures:<\/p>\n<ul data-start=\"1592\" data-end=\"1781\">\n<li data-start=\"1592\" data-end=\"1674\">\n<p data-start=\"1594\" data-end=\"1674\"><strong data-start=\"1594\" data-end=\"1609\">Procedure A<\/strong>: Uses a 60 mm aperture and larger impact head (25.4 mm diameter)<\/p>\n<\/li>\n<li data-start=\"1675\" data-end=\"1781\">\n<p data-start=\"1677\" data-end=\"1781\"><strong data-start=\"1677\" data-end=\"1714\">Procedure B (Spencer Impact Test)<\/strong>: Uses an 89 mm aperture and smaller impact head (19.0 mm diameter)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1783\" data-end=\"2071\">Each procedure calculates the <strong data-start=\"1813\" data-end=\"1830\">impact energy<\/strong> based on the pendulum\u2019s swing displacement, offering insight into material durability and fracture behavior. The data from these methods are <strong data-start=\"1972\" data-end=\"1995\">not interchangeable<\/strong>, so selecting the appropriate one depends on the film type and application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ce15613 e-flex e-con-boxed e-con e-parent\" data-id=\"ce15613\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-558d644 elementor-widget elementor-widget-heading\" data-id=\"558d644\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Key Applications of Film Pendulum Impact Testing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-53ecdf9 e-flex e-con-boxed e-con e-parent\" data-id=\"53ecdf9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d4db41a elementor-widget elementor-widget-text-editor\" data-id=\"d4db41a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2132\" data-end=\"2231\">The <strong data-start=\"2136\" data-end=\"2182\">pendulum impact resistance of plastic film<\/strong> is a vital specification in multiple industries:<\/p>\n<ul data-start=\"2232\" data-end=\"2635\">\n<li data-start=\"2232\" data-end=\"2336\">\n<p data-start=\"2234\" data-end=\"2336\"><strong data-start=\"2234\" data-end=\"2256\">\u30d5\u30ec\u30ad\u30b7\u30d6\u30eb\u5305\u88c5<\/strong>: Evaluates puncture resistance in food pouches, sachets, and medical packaging.<\/p>\n<\/li>\n<li data-start=\"2337\" data-end=\"2434\">\n<p data-start=\"2339\" data-end=\"2434\"><strong data-start=\"2339\" data-end=\"2367\">Automotive and Aerospace<\/strong>: Measures shock durability of interior films and composite layers.<\/p>\n<\/li>\n<li data-start=\"2435\" data-end=\"2528\">\n<p data-start=\"2437\" data-end=\"2528\"><strong data-start=\"2437\" data-end=\"2453\">\u5efa\u8a2d<\/strong>: Tests laminates, membranes, and vapor barriers for mechanical resilience.<\/p>\n<\/li>\n<li data-start=\"2529\" data-end=\"2635\">\n<p data-start=\"2531\" data-end=\"2635\"><strong data-start=\"2531\" data-end=\"2553\">Paper and Printing<\/strong>: Assesses coated paper and multilayer substrates for tear and rupture resistance.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2637\" data-end=\"2804\">For all these applications, <strong data-start=\"2665\" data-end=\"2699\">film impact resistance testing<\/strong> ensures that materials can endure real-world handling, sealing, and mechanical stresses without failure.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0a31bd1 e-flex e-con-boxed e-con e-parent\" data-id=\"0a31bd1\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10980f9 elementor-widget elementor-widget-heading\" data-id=\"10980f9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conducting a Film Pendulum Impact Test<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a65f8a3 e-flex e-con-boxed e-con e-parent\" data-id=\"a65f8a3\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e111a2b elementor-widget elementor-widget-text-editor\" data-id=\"e111a2b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The<a href=\"https:\/\/www.filmpendulumimpact.com\/ja\/impact-resistance-of-plastic-film\/\" target=\"_blank\" rel=\"noopener\"> <strong data-start=\"2859\" data-end=\"2882\">pendulum shock test<\/strong><\/a> method involves several standardized steps:<\/p>\n<ol data-start=\"2928\" data-end=\"3856\">\n<li data-start=\"2928\" data-end=\"3121\">\n<p data-start=\"2931\" data-end=\"3121\"><strong data-start=\"2931\" data-end=\"2953\">Sample Preparation<\/strong>: Cut at least five test specimens with dimensions suitable for the clamps (e.g., 100 mm diameter or square). Ensure film is flat, uniform, and free of surface defects.<\/p>\n<\/li>\n<li data-start=\"3126\" data-end=\"3263\">\n<p data-start=\"3129\" data-end=\"3263\"><strong data-start=\"3129\" data-end=\"3145\">Conditioning<\/strong>: Condition samples at 23\u202f\u00b1\u202f2\u00b0C and 50\u202f\u00b1\u202f10% RH per ASTM guidelines to stabilize mechanical properties before testing.<\/p>\n<\/li>\n<li data-start=\"3265\" data-end=\"3503\">\n<p data-start=\"3268\" data-end=\"3286\"><strong data-start=\"3268\" data-end=\"3285\">Testing Setup<\/strong>:<\/p>\n<ul data-start=\"3290\" data-end=\"3503\">\n<li data-start=\"3290\" data-end=\"3398\">\n<p data-start=\"3292\" data-end=\"3398\">Place the specimen into a clamping unit with a circular aperture (Procedure A: 60 mm, Procedure B: 89 mm).<\/p>\n<\/li>\n<li data-start=\"3402\" data-end=\"3454\">\n<p data-start=\"3404\" data-end=\"3454\">Raise and latch the pendulum to the preset height.<\/p>\n<\/li>\n<li data-start=\"3458\" data-end=\"3503\">\n<p data-start=\"3460\" data-end=\"3503\">Align the impact head with the film center.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"3505\" data-end=\"3680\">\n<p data-start=\"3508\" data-end=\"3527\"><strong data-start=\"3508\" data-end=\"3526\">Test Execution<\/strong>:<\/p>\n<ul data-start=\"3531\" data-end=\"3680\">\n<li data-start=\"3531\" data-end=\"3607\">\n<p data-start=\"3533\" data-end=\"3607\">Release the pendulum. It swings downward, striking and rupturing the film.<\/p>\n<\/li>\n<li data-start=\"3611\" data-end=\"3680\">\n<p data-start=\"3613\" data-end=\"3680\">Measure the loss in kinetic energy using a dial or digital readout.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"3682\" data-end=\"3856\">\n<p data-start=\"3685\" data-end=\"3706\"><strong data-start=\"3685\" data-end=\"3705\">Result Recording<\/strong>:<\/p>\n<ul data-start=\"3710\" data-end=\"3856\">\n<li data-start=\"3710\" data-end=\"3795\">\n<p data-start=\"3712\" data-end=\"3795\">Calculate <strong data-start=\"3722\" data-end=\"3743\">impact resistance<\/strong> in joules (J) or cm\u00b7kgf using ASTM D3420 equations.<\/p>\n<\/li>\n<li data-start=\"3799\" data-end=\"3856\">\n<p data-start=\"3801\" data-end=\"3856\">Record the average energy of rupture for all specimens.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p data-start=\"3858\" data-end=\"3999\">This test provides a quantitative indicator of how much energy a material can absorb before failure\u2014essential for safety and quality control.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-70ee35d e-flex e-con-boxed e-con e-parent\" data-id=\"70ee35d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bed3f93 elementor-widget elementor-widget-video\" data-id=\"bed3f93\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=vEx4esxMESw&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;play_on_mobile&quot;:&quot;yes&quot;,&quot;mute&quot;:&quot;yes&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2459bfd e-flex e-con-boxed e-con e-parent\" data-id=\"2459bfd\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b4e8225 elementor-widget elementor-widget-heading\" data-id=\"b4e8225\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Benefits of Using the PIT-01 Pendulum Impact Tester<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0e34133 e-flex e-con-boxed e-con e-parent\" data-id=\"0e34133\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9b66424 elementor-widget elementor-widget-text-editor\" data-id=\"9b66424\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4063\" data-end=\"4364\">For laboratories and production QA teams, accuracy, repeatability, and compliance with ASTM standards are non-negotiable. The <strong data-start=\"4189\" data-end=\"4222\">PIT-01 Pendulum Impact Tester<\/strong> by Cell Instruments is designed to meet the stringent requirements of <strong data-start=\"4293\" data-end=\"4307\">ASTM D3420<\/strong> and <strong data-start=\"4312\" data-end=\"4326\">NF T54-116<\/strong> for <strong data-start=\"4331\" data-end=\"4363\">film pendulum impact testing<\/strong>.<\/p>\n<p data-start=\"4366\" data-end=\"4391\"><strong data-start=\"4366\" data-end=\"4390\">Key Features Include<\/strong>:<\/p>\n<ul data-start=\"4392\" data-end=\"4716\">\n<li data-start=\"4392\" data-end=\"4449\">\n<p data-start=\"4394\" data-end=\"4449\"><strong data-start=\"4394\" data-end=\"4449\">High-precision pendulum with auto-release mechanism<\/strong><\/p>\n<\/li>\n<li data-start=\"4450\" data-end=\"4511\">\n<p data-start=\"4452\" data-end=\"4511\"><strong data-start=\"4452\" data-end=\"4484\">Industrial-grade PLC control<\/strong> and <strong data-start=\"4489\" data-end=\"4511\">7\u201d touchscreen HMI<\/strong><\/p>\n<\/li>\n<li data-start=\"4512\" data-end=\"4588\">\n<p data-start=\"4514\" data-end=\"4588\"><strong data-start=\"4514\" data-end=\"4557\">Multiple energy levels and impact heads<\/strong> to cover a broad testing range<\/p>\n<\/li>\n<li data-start=\"4589\" data-end=\"4665\">\n<p data-start=\"4591\" data-end=\"4665\"><strong data-start=\"4591\" data-end=\"4620\">Pneumatic clamping system<\/strong> for consistent and slip-free sample mounting<\/p>\n<\/li>\n<li data-start=\"4666\" data-end=\"4716\">\n<p data-start=\"4668\" data-end=\"4716\"><strong data-start=\"4668\" data-end=\"4694\">Real-time data capture<\/strong> and digital reporting<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4718\" data-end=\"4910\">These features reduce operator error, minimize test variability, and improve the efficiency of <strong data-start=\"4813\" data-end=\"4849\">pendulum impact resistance tests<\/strong> across research, production, and quality assurance settings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dbde9b0 e-flex e-con-boxed e-con e-parent\" data-id=\"dbde9b0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-571b456 elementor-widget elementor-widget-heading\" data-id=\"571b456\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Spencer Impact Testing Equipment vs. Other Methods<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2181135 e-flex e-con-boxed e-con e-parent\" data-id=\"2181135\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a6c5eda elementor-widget elementor-widget-text-editor\" data-id=\"a6c5eda\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4973\" data-end=\"5233\"><strong data-start=\"4973\" data-end=\"5009\">Spencer impact testing equipment<\/strong> (Procedure B) is widely recognized for its versatility in testing thin plastic films. Compared to dart drop methods (e.g., ASTM D1709), <strong data-start=\"5146\" data-end=\"5166\">pendulum methods<\/strong> provide more consistent results for smooth, homogeneous materials.<\/p>\n<p data-start=\"5235\" data-end=\"5254\">Advantages include:<\/p>\n<ul data-start=\"5255\" data-end=\"5455\">\n<li data-start=\"5255\" data-end=\"5302\">\n<p data-start=\"5257\" data-end=\"5302\"><strong data-start=\"5257\" data-end=\"5302\">Controlled and measurable energy delivery<\/strong><\/p>\n<\/li>\n<li data-start=\"5303\" data-end=\"5351\">\n<p data-start=\"5305\" data-end=\"5351\"><strong data-start=\"5305\" data-end=\"5351\">Suitability for a wide range of film types<\/strong><\/p>\n<\/li>\n<li data-start=\"5352\" data-end=\"5399\">\n<p data-start=\"5354\" data-end=\"5399\"><strong data-start=\"5354\" data-end=\"5399\">Easy calibration and high reproducibility<\/strong><\/p>\n<\/li>\n<li data-start=\"5400\" data-end=\"5455\">\n<p data-start=\"5402\" data-end=\"5455\"><strong data-start=\"5402\" data-end=\"5455\">Compliance with multiple global testing standards<\/strong><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5457\" data-end=\"5644\">In high-stakes applications, such as pharmaceutical packaging or sterile medical films, using a <strong data-start=\"5553\" data-end=\"5601\">standardized pendulum impact resistance test<\/strong> ensures confidence in packaging integrity.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-141f172 e-flex e-con-boxed e-con e-parent\" data-id=\"141f172\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb35101 elementor-widget elementor-widget-heading\" data-id=\"bb35101\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ed80c88 e-flex e-con-boxed e-con e-parent\" data-id=\"ed80c88\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c363cd elementor-widget elementor-widget-text-editor\" data-id=\"3c363cd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"5667\" data-end=\"5922\"><strong data-start=\"5667\" data-end=\"5681\">ASTM D3420<\/strong> provides the foundation for accurate and reliable <strong data-start=\"5732\" data-end=\"5759\">pendulum impact testing<\/strong> of plastic films. By simulating real-life impact events, it helps manufacturers assess the durability and performance of packaging materials under dynamic stress.<\/p>\n<p data-start=\"5924\" data-end=\"6215\">Using the <a href=\"https:\/\/www.celtec.cn\/productinfo\/1239673.html\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"5934\" data-end=\"5967\">PIT-01 Pendulum Impact Tester<\/strong><\/a> from Cell Instruments ensures your testing process is not only ASTM-compliant but also efficient and precise. From food packaging to automotive membranes, this test method and equipment are indispensable for delivering safe, high-quality products.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM D3420 Film Pendulum Impact Testing For packaging, medical, and industrial films, impact resistance is a critical property that determines a material\u2019s ability to withstand sudden mechanical stress during production, shipping, and use. The ASTM D3420 standard provides a reliable and repeatable method to evaluate this property through a film pendulum impact test, often referred to as the Spencer impact test. This guide introduces the principles behind ASTM D3420, explains key test procedures, and demonstrates how modern pendulum impact testing equipment\u2014like the PIT-01 Pendulum Impact Tester from Cell Instruments\u2014ensures accurate measurement of the pendulum impact resistance of plastic film. Understanding ASTM Standards for Impact Testing of Plastics ASTM D3420 measures [&#8230;]","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1326","page","type-page","status-publish","hentry"],"rankMath":{"parentDomain":"filmpendulumimpact.com","noFollowDomains":[],"noFollowExcludeDomains":[],"noFollowExternalLinks":false,"featuredImageNotice":"Facebook \u306a\u3069\u306e\u30bd\u30fc\u30b7\u30e3\u30eb\u30e1\u30c7\u30a3\u30a2\u30b5\u30a4\u30c8\u3067\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u3001\u753b\u50cf\u30b5\u30a4\u30ba\u3092200x200\u30d4\u30af\u30bb\u30eb\u4ee5\u4e0a\u306b\u3059\u308b\u3079\u304d\u3067\u3059\u3002","pluginReviewed":false,"postSettings":{"linkSuggestions":true,"useFocusKeyword":false},"frontEndScore":false,"postName":"astm-d3420","permalinkFormat":"https:\/\/www.filmpendulumimpact.com\/ja\/%pagename%\/","showLockModifiedDate":true,"assessor":{"focusKeywordLink":"https:\/\/www.filmpendulumimpact.com\/wp-admin\/edit.php?focus_keyword=%focus_keyword%&post_type=%post_type%","hasTOCPlugin":true,"primaryTaxonomy":false,"serpData":{"title":"ASTM D3420 Film Pendulum Impact Test and Impact Resistance Guide","description":"Learn how ASTM D3420 defines the pendulum impact resistance test for plastic film. Explore film pendulum impact testing methods, equipment, and best practices with the PIT-01 Pendulum Impact Tester.","focusKeywords":"astm d3420,film pendulum impact tester,impact resistance of plastic film,pendulum impact resistance 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