{"id":525,"date":"2025-06-30T02:15:50","date_gmt":"2025-06-30T02:15:50","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?p=525"},"modified":"2025-06-30T02:15:51","modified_gmt":"2025-06-30T02:15:51","slug":"coefficient-of-friction-pvc-testing-guide-based-on-astm-d1894-and-iso-8295","status":"publish","type":"post","link":"https:\/\/www.coefficientfriction.com\/ko\/coefficient-of-friction-pvc-testing-guide-based-on-astm-d1894-and-iso-8295","title":{"rendered":"ASTM D1894 \ubc0f ISO 8295\uc5d0 \uae30\ubc18\ud55c \ub9c8\ucc30 \uacc4\uc218 PVC \ud14c\uc2a4\ud2b8 \uac00\uc774\ub4dc"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>I<\/strong>\ub9c8\ucc30 \uacc4\uc218 PVC \ud14c\uc2a4\ud2b8 \uc18c\uac1c<\/h2>\n\n\n\n<p>\uadf8\ub9ac\uace0 <em>\ub9c8\ucc30 \uacc4\uc218 PVC<\/em> \uc740 \ud2b9\ud788 \ud3ec\uc7a5, \uc758\ub8cc \uae30\uae30 \ubc0f \uc0b0\uc5c5\uc6a9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c PVC \ud544\ub984 \ubc0f \uc2dc\ud2b8\uc758 \uc911\uc694\ud55c \uc131\ub2a5 \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4. \ub9c8\ucc30\uc740 \uac00\uacf5, \uc801\uc7ac \ub610\ub294 \ucd5c\uc885 \uc0ac\uc6a9 \uc911\uc5d0 \uc7ac\ub8cc\uac00 \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc774 \ud2b9\uc131\uc744 \uc774\ud574\ud558\uace0 \uc815\ud655\ud558\uac8c \uce21\uc815\ud558\uba74 \ud488\uc9c8 \uad00\ub9ac\uc758 \uc77c\uad00\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uad6d\uc81c\uc801\uc73c\ub85c \uc778\uc815\ubc1b\ub294 \ub450 \uac00\uc9c0 \ud45c\uc900<em>ASTM D1894<\/em> \uadf8\ub9ac\uace0 <em>ISO 8295<\/em>-\ub9c8\ucc30\uc758 \uc815\uc801 \ubc0f \uc6b4\ub3d9 \uacc4\uc218\ub97c \uacb0\uc815\ud558\uae30 \uc704\ud55c \uccb4\uacc4\uc801\uc778 \uc808\ucc28\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 PVC \uc18c\uc7ac\ub97c \uc911\uc2ec\uc73c\ub85c \ud14c\uc2a4\ud2b8 \ud504\ub85c\uc138\uc2a4, \uae30\uae30 \uc120\ud0dd \ubc0f \uacb0\uacfc \ud574\uc11d\uc5d0 \ub300\ud574 \uc548\ub0b4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1894\uc758 \uc774\ud574: PVC \ud544\ub984\uc758 \ub9c8\ucc30 \ud14c\uc2a4\ud2b8<\/h2>\n\n\n\n<p><br><em>ASTM D1894<\/em> \ub294 \ud50c\ub77c\uc2a4\ud2f1 \uc0b0\uc5c5\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\uc5b4 <strong>\uc815\uc801<\/strong> \uadf8\ub9ac\uace0 <strong>\ud0a4\ub124\ud2f1<\/strong> PVC\ub97c \ud3ec\ud568\ud55c \ud50c\ub77c\uc2a4\ud2f1 \ud544\ub984\uc758 \ub9c8\ucc30 \uacc4\uc218\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ASTM D1894\uc758 \uc911\uc694\uc131<\/h3>\n\n\n\n<p>\uc774 \ud45c\uc900\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0ac\ud56d\uc5d0 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. <strong>\uc2ac\ub9bd \uc18d\uc131<\/strong> \ud50c\ub77c\uc2a4\ud2f1 \ud544\ub984\uc758 \ud2b9\uc131. \uc774\ub7ec\ud55c \ud2b9\uc131\uc740 \uc7ac\ub8cc \ucde8\uae09 \ubc0f \uac00\uacf5\uc131\uc774 \ud45c\uba74 \ub9c8\ucc30\uc758 \uc601\ud5a5\uc744 \ubc1b\ub294 \ud3ec\uc7a5\uc5d0 \uc0ac\uc6a9\ub418\ub294 PVC \ud544\ub984\uc5d0 \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc740 \ub610\ud55c \uc8fc\ubcc0 \uc628\ub3c4 \ubc0f \uc2ac\ub9bd \ucca8\uac00\uc81c\ub85c \uc778\ud55c \ud45c\uba74 \ubc88\uc9d0\uacfc \uac19\uc740 \uc2e4\uc81c \uc870\uac74\ub3c4 \uace0\ub824\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc8fc\uc694 \ud14c\uc2a4\ud2b8 \uc808\ucc28 \uc8fc\uc694 \ub0b4\uc6a9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uacac\ubcf8 \uce58\uc218:<\/strong> \uc77c\ubc18\uc801\uc73c\ub85c \uae30\ubcf8 \ud544\ub984(\ud3c9\uba74)\uc740 250 \u00d7 130mm\ub85c \uc790\ub974\uace0 \uc370\ub9e4\uc5d0 \ubd80\ucc29\ub41c \ud544\ub984\uc740 \uc815\uc0ac\uac01\ud615 120mm\ub85c \uc790\ub985\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud544\ub984 \uc7a5\ucc29:<\/strong> \ub450 \ud544\ub984\uc5d0 \uc8fc\ub984\uc774 \uc5c6\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uae30\uacc4 \ubc29\ud5a5\uc740 \uc370\ub9e4\uc758 \uc6c0\uc9c1\uc784\uacfc \ud3c9\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud14c\uc2a4\ud2b8 \uc18d\ub3c4:<\/strong> 150 \u00b1 30 mm\/min<\/li>\n\n\n\n<li><strong>\uc815\uc801 \uacc4\uc218:<\/strong> \ub3d9\uc791\uc744 \uc2dc\uc791\ud558\ub294 \ub370 \ud544\uc694\ud55c \ucd5c\ub300 \ud798\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc6b4\ub3d9 \uacc4\uc218:<\/strong> \uc9c0\uc18d \ub3d9\uc791 \uc911 \ud3c9\uade0 \ud798\uc73c\ub85c \uacc4\uc0b0\ub428<\/li>\n<\/ul>\n\n\n\n<p>\ub9c8\ucc30 \uac12\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\ub294 \uc624\uc5fc\uacfc \ubcc0\ud615\uc744 \ud53c\ud558\uae30 \uc704\ud574 \uc8fc\uc758\ub97c \uae30\uc6b8\uc5ec\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c \ub178\ud654 \ub610\ub294 \ucca8\uac00\uc81c \uc774\ub3d9\uc73c\ub85c \uc778\ud55c \ubd88\uc77c\uce58\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc0c8 \ud45c\uba74\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \uac83\ub3c4 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">ISO 8295 \ubc0f PVC \uc18c\uc7ac\uc758 \ub9c8\ucc30 \uacc4\uc218<\/h2>\n\n\n\n<p><br><em>ISO 8295<\/em> \ub294 \uce21\uc815\uc5d0 \ub300\ud55c \ubcd1\ub82c \uc811\uadfc \ubc29\uc2dd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. <em>\ub9c8\ucc30 \uacc4\uc218 PVC<\/em>\ub294 \uc7a5\ube44 \ubc0f \uc6d0\ub9ac \uce21\uba74\uc5d0\uc11c ASTM D1894\uc640 \uc798 \uc77c\uce58\ud558\uc9c0\ub9cc \uc808\ucc28\uc0c1 \uc57d\uac04\uc758 \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ISO 8295\uc758 \uc6d0\uce59<\/h3>\n\n\n\n<p>\uc774 \ud14c\uc2a4\ud2b8\ub294 \ud1b5\uc81c\ub41c \uc870\uac74\uc5d0\uc11c \ud55c PVC \ud544\ub984\uc744 \ub2e4\ub978 \ud544\ub984 \ub610\ub294 \ub2e4\ub978 \uc7ac\ub8cc \uc704\ub85c \uc774\ub3d9\ud558\ub294 \ub370 \ud544\uc694\ud55c \ud798\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong>\uc815\uc801<\/strong> \uadf8\ub9ac\uace0 <strong>\ub3d9\uc801<\/strong> \ub9c8\ucc30 \uacc4\uc218.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud14c\uc2a4\ud2b8 \uace0\ub824 \uc0ac\ud56d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc811\ucd09 \uc555\ub825:<\/strong> \uade0\uc77c\ud55c \uc555\ub825\uc774 \ubcf4\uc7a5\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc370\ub9e4 \ubb34\uac8c \ubc0f \uba74\uc801:<\/strong> \uc370\ub9e4\ub294 \ud45c\uc900 \ub9e4\uac1c\ubcc0\uc218(\uc77c\ubc18\uc801\uc73c\ub85c 50 \u00d7 63.5mm \uc811\ucd09 \uba74\uc801\uc5d0 200g)\uc640 \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud544\ub984 \ub300 \ud544\ub984 \ub610\ub294 \ud544\ub984 \ub300 \uae08\uc18d:<\/strong> \ub450 \uac00\uc9c0 \uad6c\uc131 \ubaa8\ub450 \ud5c8\uc6a9\ub418\uc9c0\ub9cc \uc7ac\ub8cc \uc811\ucd09\uba74\uc5d0 \ub530\ub77c \uacb0\uacfc\uac00 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud45c\uba74 \ucee8\ub514\uc154\ub2dd:<\/strong> \uc2dc\ub8cc\uc758 \uc0ac\uc804 \ucee8\ub514\uc154\ub2dd\uc5d0 \uc0ac\uc6a9\ub41c \uac83\uacfc \ub3d9\uc77c\ud55c \ub300\uae30 \uc870\uac74\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">PVC \ub9c8\ucc30 \ud14c\uc2a4\ud2b8\uc5d0 \uc801\ud569\ud55c \uc7a5\ube44 \uc120\ud0dd\ud558\uae30<\/h2>\n\n\n\n<p><br>\uc815\ud655\ud558\uace0 \uc7ac\ud604 \uac00\ub2a5\ud55c \ud14c\uc2a4\ud2b8\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4, <strong>\uc815\ubc00 \uae30\uae30<\/strong> \ub294 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. For <em>\ub9c8\ucc30 \uacc4\uc218 PVC<\/em> \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 <strong>COF-01 \ub9c8\ucc30 \uacc4\uc218 \uc2dc\ud5d8\uae30<\/strong> \uc5d0\uc11c <strong>Cell Instruments<\/strong> \ub97c \uc801\uadf9 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">COF-01 \ud14c\uc2a4\ud130\ub97c \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uc774\uc720\ub294?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uaddc\uc815 \uc900\uc218:<\/strong> ASTM D1894 \ubc0f ISO 8295\ub97c \uc644\ubcbd\ud558\uac8c \uc900\uc218\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc815\ud655\uc131:<\/strong> \uace0\ud574\uc0c1\ub3c4 \ub85c\ub4dc \uc13c\uc11c\ub85c \uc815\ud655\ud55c \ud798 \uce21\uc815 \ubcf4\uc7a5<\/li>\n\n\n\n<li><strong>\ub2e4\uc6a9\ub3c4\uc131:<\/strong> \ud544\ub984 \ub300 \ud544\ub984 \ubc0f \ud544\ub984 \ub300 \uae08\uc18d \ud14c\uc2a4\ud2b8 \uc9c0\uc6d0<\/li>\n\n\n\n<li><strong>\uc0ac\uc6a9 \ud3b8\uc758\uc131:<\/strong> \uc9c1\uad00\uc801\uc778 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc778\ud130\ud398\uc774\uc2a4 \ubc0f \uc790\ub3d9\ud654\ub41c \ub370\uc774\ud130 \ubcf4\uace0<\/li>\n\n\n\n<li><strong>\uc0ac\uc6a9\uc790 \uc9c0\uc815 \uae30\ub2a5:<\/strong> \uc140 \uc778\uc2a4\ud2b8\ub8e8\uba3c\ud2b8\ub294 \ube44\ud45c\uc900 \uc2dc\ub8cc \ud06c\uae30 \ub610\ub294 \ud658\uacbd \uc870\uac74\uc5d0 \ub300\ud55c \ub9de\ucda4\ud615 \uc194\ub8e8\uc158\ub3c4 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p>\uc774 \uc804\ubb38\uac00\uae09 \uc7a5\ube44\ub294 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uc758 \uc77c\uad00\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uc5ec \uc5c4\uaca9\ud55c \ud488\uc9c8 \uad00\ub9ac \uc694\uac74\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacb0\uacfc\ub97c \uc704\ud55c \ubaa8\ubc94 \uc0ac\ub840<\/h2>\n\n\n\n<p><br>PVC \uc0d8\ud50c\uc5d0\uc11c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub9c8\ucc30 \ub370\uc774\ud130\ub97c \ud655\ubcf4\ud558\ub824\uba74 \ub2e4\uc74c \ubaa8\ubc94 \uc0ac\ub840\ub97c \ub530\ub974\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc0c8 \uc0d8\ud50c\uc744 \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4:<\/strong> \ub178\ud654\ub294 \uc2ac\ub9bd \ucca8\uac00\uc81c \ubc0f \ud45c\uba74 \ud2b9\uc131\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc624\uc5fc \ubc29\uc9c0:<\/strong> \uc9c0\ubb38, \uba3c\uc9c0 \ub610\ub294 \uae30\ub984\uc73c\ub85c \uc778\ud574 \uacb0\uacfc\uac00 \uc65c\uace1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc77c\uad00\ub41c \uc870\uac74\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ud558\uc138\uc694:<\/strong> \ucee8\ub514\uc154\ub2dd\uacfc \ub3d9\uc77c\ud55c \uc628\ub3c4 \ubc0f \uc2b5\ub3c4 \uc900\uc218<\/li>\n\n\n\n<li><strong>\ubc18\ubcf5\uc131:<\/strong> \ud1b5\uacc4\uc801 \uc720\uc758\uc131\uc744 \uc704\ud574 \ucd5c\uc18c 5\uac1c\uc758 \ud14c\uc2a4\ud2b8 \ud45c\ubcf8\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/li>\n\n\n\n<li><strong>\uc815\uae30 \ubcf4\uc815:<\/strong> \uc7a5\ube44\uac00 \uc778\uc99d\ub41c \ud45c\uc900\uc5d0 \ub530\ub77c \uc815\uae30\uc801\uc73c\ub85c \ubcf4\uc815\ub418\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p><br>\ud14c\uc2a4\ud2b8 <em>\ub9c8\ucc30 \uacc4\uc218 PVC<\/em> \ub294 \ud3ec\uc7a5, \ud544\ub984 \uac00\uacf5 \ubc0f \uc0b0\uc5c5 \uc18c\uc7ac \ubd84\uc57c\uc758 \uc81c\uc870\uc5c5\uccb4\uc640 \ud488\uc9c8 \uad00\ub9ac \uc804\ubb38\uac00\uc5d0\uac8c \ud544\uc218\uc801\uc778 \uc194\ub8e8\uc158\uc785\ub2c8\ub2e4. \ud314\ub85c\uc789 <strong>ASTM D1894<\/strong> \uadf8\ub9ac\uace0 <strong>ISO 8295<\/strong> \ub294 \uc77c\uad00\ub418\uace0 \uc804 \uc138\uacc4\uc801\uc73c\ub85c \ud1b5\uc6a9\ub418\ub294 \ud3c9\uac00 \ubc29\ubc95\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ub2e4\uc74c\uc744 \uc0ac\uc6a9\ud558\uc5ec <strong>\uc140 \uc778\uc2a4\ud2b8\ub8e8\uba3c\ud2b8\uc758 COF-01 \ub9c8\ucc30 \uacc4\uc218 \uc2dc\ud5d8\uae30<\/strong>\ub97c \uc0ac\uc6a9\ud558\uba74 PVC \ud544\ub984\uc758 \uc2ac\ub9bd \ud2b9\uc131\uc744 \uc815\ubc00\ud558\uace0 \ud655\uc2e4\ud558\uac8c \ud6a8\uc728\uc801\uc73c\ub85c \ud3c9\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub354 \ub098\uc740 \uc7ac\ub8cc \uc120\ud0dd, \uacf5\uc815 \uc81c\uc5b4 \uac1c\uc120 \ubc0f \uc81c\ud488 \uc131\ub2a5 \ud5a5\uc0c1\uc744 \uc2e4\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc8fc\uc694 \ub0b4\uc6a9<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uadf8\ub9ac\uace0 <em>\ub9c8\ucc30 \uacc4\uc218 PVC<\/em> \ud3ec\uc7a5 \ub77c\uc778 \ud6a8\uc728\uc131\uacfc \uc81c\ud488 \uc0ac\uc6a9\uc131\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud45c\uc900 <strong>ASTM D1894<\/strong> \uadf8\ub9ac\uace0 <strong>ISO 8295<\/strong> \ud3ec\uad04\uc801\uc778 \ud14c\uc2a4\ud2b8 \uc808\ucc28\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>COF-01 \ud14c\uc2a4\ud130<\/strong> \uc5d0\uc11c <strong>Cell Instruments<\/strong> \ub294 \uaddc\uc815\uc744 \uc900\uc218\ud558\uace0 \uc815\ud655\ud558\uba70 \ubc18\ubcf5 \uac00\ub2a5\ud55c \uacb0\uacfc\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc801\uc808\ud55c \uc2dc\ud3b8 \ucde8\uae09, \ud14c\uc2a4\ud2b8 \ud658\uacbd \ubc0f \ubcf4\uc815\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130\ub97c \uc704\ud574 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\ub9c8\ucc30 \uacc4\uc218 \ud14c\uc2a4\ud2b8 \uac00\uc774\ub4dc\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/wjEaNctP0KU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>\ub9c8\ucc30 \uacc4\uc218 PVC \ud14c\uc2a4\ud2b8 \uc18c\uac1c \ub9c8\ucc30 \uacc4\uc218 PVC\ub294 \ud2b9\ud788 \ud3ec\uc7a5, \uc758\ub8cc \uae30\uae30 \ubc0f \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c PVC \ud544\ub984 \ubc0f \uc2dc\ud2b8\uc758 \uc911\uc694\ud55c \uc131\ub2a5 \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4. \ub9c8\ucc30\uc740 \uac00\uacf5, \uc801\uc7ac \ub610\ub294 \ucd5c\uc885 \uc0ac\uc6a9 \uc911\uc5d0 \uc7ac\ub8cc\uac00 \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc774 \ud2b9\uc131\uc744 \uc774\ud574\ud558\uace0 \uc815\ud655\ud558\uac8c \uce21\uc815\ud558\uba74 \ud488\uc9c8 \uad00\ub9ac\uc758 \uc77c\uad00\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-525","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Coefficient of Friction PVC Testing - ASTM D1894 and ISO 8295 - Coefficient of Friction Tester<\/title>\n<meta name=\"description\" content=\"Test the coefficient of friction PVC according to ASTM D1894 and ISO 8295. 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