{"id":64239,"date":"2025-03-26T17:24:40","date_gmt":"2025-03-27T00:24:40","guid":{"rendered":"https:\/\/coirubber.com\/?page_id=64239"},"modified":"2026-10-27T12:39:21","modified_gmt":"2026-10-27T19:39:21","slug":"astm-d2583-plastic-surface-hardness-test","status":"publish","type":"page","link":"https:\/\/coirubber.com\/ja\/astm\/astm-d2583-plastic-surface-hardness-test\/","title":{"rendered":"ASTM D2583 Plastic Surface Hardness Test"},"content":{"rendered":"<h1 data-start=\"0\" data-end=\"114\"><strong data-start=\"2\" data-end=\"112\">ASTM D2583: Standard Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol Impressor<\/strong><\/h1>\n<p data-start=\"591\" data-end=\"886\">The primary objective of <strong data-start=\"616\" data-end=\"630\">ASTM D2583<\/strong> is to assess a material\u2019s <strong data-start=\"657\" data-end=\"686\">resistance to indentation<\/strong> by measuring its <strong data-start=\"704\" data-end=\"724\">surface hardness<\/strong>. The test method is particularly useful for evaluating <strong data-start=\"780\" data-end=\"844\">fabricated parts, composite materials, and finished products<\/strong> where hardness is a critical parameter.<\/p>\n<p data-start=\"888\" data-end=\"936\">By implementing ASTM D2583, manufacturers can:<\/p>\n<ul data-start=\"938\" data-end=\"1255\">\n<li data-start=\"938\" data-end=\"1036\"><strong data-start=\"940\" data-end=\"962\">Ensure Consistency<\/strong> \u2013 Helps maintain uniform material properties across production batches.<\/li>\n<li data-start=\"1037\" data-end=\"1124\"><strong data-start=\"1039\" data-end=\"1061\">Improve Durability<\/strong> \u2013 Identifies materials that can withstand mechanical stress.<\/li>\n<li data-start=\"1125\" data-end=\"1255\"><strong data-start=\"1127\" data-end=\"1158\">Optimize Material Selection<\/strong> \u2013 Aids engineers in choosing plastics with suitable hardness levels for specific applications.<\/li>\n<\/ul>\n<h2 data-start=\"1257\" data-end=\"1280\"><strong data-start=\"1260\" data-end=\"1278\">\u8a66\u9a13\u624b\u9806<\/strong><\/h2>\n<h3 data-start=\"1282\" data-end=\"1313\"><strong data-start=\"1286\" data-end=\"1311\">1. Sample Preparation<\/strong><\/h3>\n<ul data-start=\"1314\" data-end=\"1606\">\n<li data-start=\"1314\" data-end=\"1382\">Specimens should be <strong data-start=\"1336\" data-end=\"1379\">flat and free of surface irregularities<\/strong>.<\/li>\n<li data-start=\"1383\" data-end=\"1475\">Minimum <strong data-start=\"1393\" data-end=\"1418\">thickness requirement<\/strong> is 1\/16 inch to ensure accurate hardness measurements.<\/li>\n<li data-start=\"1476\" data-end=\"1606\">Samples must be <strong data-start=\"1494\" data-end=\"1537\">conditioned in a controlled environment<\/strong> before testing to avoid variations due to temperature or humidity.<\/li>\n<\/ul>\n<h3 data-start=\"1608\" data-end=\"1636\"><strong data-start=\"1612\" data-end=\"1634\">2. Testing Process<\/strong><\/h3>\n<ul data-start=\"1637\" data-end=\"2168\">\n<li data-start=\"1637\" data-end=\"1739\"><strong data-start=\"1639\" data-end=\"1654\">Calibration<\/strong> \u2013 The <strong data-start=\"1661\" data-end=\"1681\">Barcol Impressor<\/strong> is calibrated using reference disks to ensure accuracy.<\/li>\n<li data-start=\"1740\" data-end=\"1863\"><strong data-start=\"1742\" data-end=\"1769\">Indentation Measurement<\/strong> \u2013 The device is pressed <strong data-start=\"1794\" data-end=\"1813\">perpendicularly<\/strong> onto the plastic surface with uniform pressure.<\/li>\n<li data-start=\"1864\" data-end=\"2029\"><strong data-start=\"1866\" data-end=\"1887\">Reading the Scale<\/strong> \u2013 The hardness value is displayed on the <strong data-start=\"1929\" data-end=\"1945\">Barcol scale<\/strong>, which ranges from <strong data-start=\"1965\" data-end=\"1977\">0 to 100<\/strong>, with higher numbers indicating harder materials.<\/li>\n<li data-start=\"2030\" data-end=\"2168\"><strong data-start=\"2032\" data-end=\"2057\">Multiple Measurements<\/strong> \u2013 Several readings are taken at different points on the specimen to determine an <strong data-start=\"2139\" data-end=\"2165\">average hardness value<\/strong>.<\/li>\n<\/ul>\n<h3 data-start=\"2170\" data-end=\"2202\"><strong data-start=\"2174\" data-end=\"2200\">3. Data Interpretation<\/strong><\/h3>\n<ul data-start=\"2203\" data-end=\"2520\">\n<li data-start=\"2203\" data-end=\"2314\"><strong data-start=\"2205\" data-end=\"2236\">High Barcol Hardness Values<\/strong> \u2192 Indicate that the plastic is <strong data-start=\"2268\" data-end=\"2311\">more rigid and resistant to indentation<\/strong>.<\/li>\n<li data-start=\"2315\" data-end=\"2410\"><strong data-start=\"2317\" data-end=\"2347\">Low Barcol Hardness Values<\/strong> \u2192 Suggest that the material is <strong data-start=\"2379\" data-end=\"2407\">softer and more flexible<\/strong>.<\/li>\n<li data-start=\"2411\" data-end=\"2520\"><strong data-start=\"2413\" data-end=\"2439\">Variability in Results<\/strong> \u2192 May indicate <strong data-start=\"2455\" data-end=\"2517\">inconsistent material composition or surface imperfections<\/strong>.<\/li>\n<\/ul>\n<h2 data-start=\"2522\" data-end=\"2565\"><strong data-start=\"2525\" data-end=\"2563\">Significance of ASTM D2583 Testing<\/strong><\/h2>\n<ul data-start=\"2567\" data-end=\"3022\">\n<li data-start=\"2567\" data-end=\"2680\"><strong data-start=\"2569\" data-end=\"2588\">\u54c1\u8cea\u7ba1\u7406<\/strong> \u2013 \u6750\u6599\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059 <strong data-start=\"2614\" data-end=\"2641\">hardness specifications<\/strong> for various industrial applications.<\/li>\n<li data-start=\"2681\" data-end=\"2799\"><strong data-start=\"2683\" data-end=\"2718\">Material Performance Evaluation<\/strong> \u2013 Helps predict how plastics will <strong data-start=\"2753\" data-end=\"2796\">respond to mechanical stress and impact<\/strong>.<\/li>\n<li data-start=\"2800\" data-end=\"2911\"><strong data-start=\"2802\" data-end=\"2824\">\u6545\u969c\u9632\u6b62<\/strong> \u2013 Identifies potential weaknesses that could lead to <strong data-start=\"2878\" data-end=\"2908\">premature material failure<\/strong>.<\/li>\n<li data-start=\"2912\" data-end=\"3022\"><strong data-start=\"2914\" data-end=\"2939\">Product Certification<\/strong> \u2013 Demonstrates compliance with <strong data-start=\"2971\" data-end=\"2993\">industry standards<\/strong> for hardness requirements.<\/li>\n<\/ul>\n<h2 data-start=\"3024\" data-end=\"3059\"><strong data-start=\"3027\" data-end=\"3057\">Applications of ASTM D2583<\/strong><\/h2>\n<h3 data-start=\"3061\" data-end=\"3090\"><strong data-start=\"3065\" data-end=\"3088\">\u81ea\u52d5\u8eca\u7523\u696d<\/strong><\/h3>\n<ul data-start=\"3091\" data-end=\"3251\">\n<li data-start=\"3091\" data-end=\"3173\">Evaluates the <strong data-start=\"3107\" data-end=\"3170\">hardness of plastic dashboard components, panels, and trims<\/strong>.<\/li>\n<li data-start=\"3174\" data-end=\"3251\">Assesses <strong data-start=\"3185\" data-end=\"3208\">reinforced plastics<\/strong> used in <strong data-start=\"3217\" data-end=\"3248\">under-the-hood applications<\/strong>.<\/li>\n<\/ul>\n<h3 data-start=\"3253\" data-end=\"3281\"><strong data-start=\"3257\" data-end=\"3279\">Aerospace Industry<\/strong><\/h3>\n<ul data-start=\"3282\" data-end=\"3490\">\n<li data-start=\"3282\" data-end=\"3388\">\u4fdd\u8a3c\u3057\u307e\u3059 <strong data-start=\"3292\" data-end=\"3315\">composite materials<\/strong> used in aircraft interiors meet <strong data-start=\"3348\" data-end=\"3385\">hardness and durability standards<\/strong>.<\/li>\n<li data-start=\"3389\" data-end=\"3490\">Validates the performance of <strong data-start=\"3420\" data-end=\"3443\">structural plastics<\/strong> exposed to extreme environmental conditions.<\/li>\n<\/ul>\n<h3 data-start=\"3492\" data-end=\"3531\"><strong data-start=\"3496\" data-end=\"3529\">Construction &amp; Infrastructure<\/strong><\/h3>\n<ul data-start=\"3532\" data-end=\"3699\">\n<li data-start=\"3532\" data-end=\"3619\">Tests <strong data-start=\"3540\" data-end=\"3592\">plastic piping, panels, and insulation materials<\/strong> for mechanical hardness.<\/li>\n<li data-start=\"3620\" data-end=\"3699\">\u8a55\u4fa1\u3059\u308b <strong data-start=\"3632\" data-end=\"3666\">coatings and protective layers<\/strong> for resistance to indentation.<\/li>\n<\/ul>\n<h3 data-start=\"3701\" data-end=\"3728\"><strong data-start=\"3705\" data-end=\"3726\">Consumer Products<\/strong><\/h3>\n<ul data-start=\"3729\" data-end=\"3917\">\n<li data-start=\"3729\" data-end=\"3820\">\u4fdd\u8a3c\u3057\u307e\u3059 <strong data-start=\"3739\" data-end=\"3817\">durability of plastic appliances, electronics casings, and household goods<\/strong>.<\/li>\n<li data-start=\"3821\" data-end=\"3917\">Verifies that <strong data-start=\"3837\" data-end=\"3881\">plastic components in sporting equipment<\/strong> meet industry hardness standards.<\/li>\n<\/ul>\n<h2 data-start=\"3919\" data-end=\"3960\"><strong data-start=\"3922\" data-end=\"3958\">Advantages of ASTM D2583 Testing<\/strong><\/h2>\n<ul data-start=\"3962\" data-end=\"4485\">\n<li data-start=\"3962\" data-end=\"4092\"><strong data-start=\"3964\" data-end=\"3979\">Portability<\/strong> \u2013 The <strong data-start=\"3986\" data-end=\"4006\">Barcol Impressor<\/strong> is a <strong data-start=\"4012\" data-end=\"4031\">handheld device<\/strong>, allowing for <strong data-start=\"4046\" data-end=\"4065\">on-site testing<\/strong> of installed components.<\/li>\n<li data-start=\"4093\" data-end=\"4230\"><strong data-start=\"4095\" data-end=\"4114\">Non-Destructive<\/strong> \u2013 The test <strong data-start=\"4126\" data-end=\"4163\">does not cause significant damage<\/strong> to the material, preserving the specimen for further evaluation.<\/li>\n<li data-start=\"4231\" data-end=\"4356\"><strong data-start=\"4233\" data-end=\"4256\">Quick and Efficient<\/strong> \u2013 Provides <strong data-start=\"4268\" data-end=\"4299\">immediate hardness readings<\/strong>, making it ideal for <strong data-start=\"4321\" data-end=\"4353\">production and field testing<\/strong>.<\/li>\n<li data-start=\"4357\" data-end=\"4485\"><strong data-start=\"4359\" data-end=\"4389\">Minimal Sample Preparation<\/strong> \u2013 Unlike other hardness tests, <strong data-start=\"4421\" data-end=\"4435\">ASTM D2583<\/strong> does not require extensive specimen processing.<\/li>\n<\/ul>\n<h2 data-start=\"4487\" data-end=\"4533\"><strong data-start=\"4490\" data-end=\"4531\">Challenges in Implementing ASTM D2583<\/strong><\/h2>\n<ul data-start=\"4535\" data-end=\"5074\">\n<li data-start=\"4535\" data-end=\"4634\"><strong data-start=\"4537\" data-end=\"4560\">Surface Preparation<\/strong> \u2013 The specimen must be <strong data-start=\"4584\" data-end=\"4603\">flat and smooth<\/strong> to obtain accurate readings.<\/li>\n<li data-start=\"4635\" data-end=\"4769\"><strong data-start=\"4637\" data-end=\"4655\">Operator Skill<\/strong> \u2013 Inconsistent pressure or incorrect positioning of the <strong data-start=\"4712\" data-end=\"4732\">Barcol Impressor<\/strong> can lead to <strong data-start=\"4745\" data-end=\"4766\">erroneous results<\/strong>.<\/li>\n<li data-start=\"4770\" data-end=\"4942\"><strong data-start=\"4772\" data-end=\"4796\">Material Limitations<\/strong> \u2013 This method is <strong data-start=\"4814\" data-end=\"4853\">not suitable for very soft plastics<\/strong> \u307e\u305f\u306f <strong data-start=\"4857\" data-end=\"4871\">thin films<\/strong>, as they may not provide enough resistance for accurate measurement.<\/li>\n<li data-start=\"4943\" data-end=\"5074\"><strong data-start=\"4945\" data-end=\"4970\">Environmental Factors<\/strong> \u2013 Temperature and humidity can <strong data-start=\"5002\" data-end=\"5029\">affect plastic hardness<\/strong>, requiring <strong data-start=\"5041\" data-end=\"5071\">controlled test conditions<\/strong>.<\/li>\n<\/ul>\n<p>\u30b4\u30e0\u304a\u3088\u3073\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u8a66\u9a13\u306e\u77ed\u3044\u89e3\u8aac\u52d5\u753b\u306f\u3001\u5f53\u793e\u306e <a href=\"https:\/\/coirubber.com\/ja\/video-library\/\">\u30b4\u30e0\u8a66\u9a13\u30d3\u30c7\u30aa\u30e9\u30a4\u30d6\u30e9\u30ea<\/a>.<\/p>\n<style id=\"coi-consistency-64239\">body.page-id-64239 main h1,body.page-id-64239 main h2,body.page-id-64239 main h3,body.page-id-64239 main h4{color:#003366!important;font-family:Montserrat,sans-serif!important}body.page-id-64239 main a:not(.button):not(.elementor-button){color:#CC3366!important}body.page-id-64239 main a:not(.button):not(.elementor-button):hover{color:#333366!important}<\/style>","protected":false},"excerpt":{"rendered":"<p>ASTM D2583: Standard Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol Impressor The primary objective of ASTM D2583 is to assess a material\u2019s resistance to indentation by measuring its surface hardness. The test method is particularly useful for evaluating fabricated parts, composite materials, and finished products where hardness is a critical parameter. By implementing ASTM D2583, manufacturers can: Ensure Consistency \u2013 Helps maintain uniform material properties across production batches. Improve Durability \u2013 Identifies materials that can withstand mechanical stress. Optimize Material Selection \u2013 Aids engineers in choosing plastics with suitable hardness levels for specific applications. Test Procedure 1. Sample Preparation Specimens should be flat and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":64088,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"footnotes":""},"class_list":["post-64239","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ASTM D2583 Plastic Surface Hardness Test - COi Rubber Products<\/title>\n<meta name=\"description\" content=\"ASTM D2583 Plastic Surface Hardness Test: what the test covers and how COi Rubber Products applies it to rubber and plastics. 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