{"id":434,"date":"2025-05-12T07:12:03","date_gmt":"2025-05-12T07:12:03","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?page_id=434"},"modified":"2025-05-12T07:29:41","modified_gmt":"2025-05-12T07:29:41","slug":"astm-d202","status":"publish","type":"page","link":"https:\/\/www.coefficientfriction.com\/vi\/astm-d202","title":{"rendered":"ASTM D202"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"434\" class=\"elementor elementor-434\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e87c6b2 e-flex e-con-boxed e-con e-parent\" data-id=\"e87c6b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d087c52 e-con-full e-flex e-con e-child\" data-id=\"d087c52\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9f31fd elementor-invisible elementor-widget elementor-widget-image\" data-id=\"d9f31fd\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" 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=\"600\" height=\"200\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/05\/ASTM-D202.webp\" class=\"attachment-large size-large wp-image-436\" alt=\"ASTM D202\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/05\/ASTM-D202.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/05\/ASTM-D202-300x100.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/05\/ASTM-D202-18x6.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-60fbb6b e-con-full e-flex e-con e-child\" data-id=\"60fbb6b\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e3633c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"0e3633c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" 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\">Gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd d\u00f9ng l\u00e0m v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n<br>MA S\u00c1T B\u1ec0 M\u1eb6T<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a73bac6 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"a73bac6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 class=\"\" data-start=\"394\" data-end=\"1054\">Vi\u1ec7c \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c c\u00e1c t\u00ednh ch\u1ea5t b\u1ec1 m\u1eb7t c\u1ee7a gi\u1ea5y c\u00e1ch \u0111i\u1ec7n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe. <strong data-start=\"541\" data-end=\"554\">ASTM D202<\/strong>, Ti\u00eau chu\u1ea9n ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu v\u00e0 th\u1eed nghi\u1ec7m gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd d\u00f9ng l\u00e0m v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n, cung c\u1ea5p h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c \u0111o l\u01b0\u1eddng <strong data-start=\"708\" data-end=\"747\">h\u1ec7 s\u1ed1 ma s\u00e1t g\u00f3c tr\u01b0\u1ee3t<\/strong>\u2014m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd gi\u1ea5y, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng x\u1eed l\u00fd t\u1ed1c \u0111\u1ed9 cao.<\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0364755 e-flex e-con-boxed e-con e-parent\" data-id=\"0364755\" 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-f673fbc elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"f673fbc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">T\u1ea7m quan tr\u1ecdng c\u1ee7a ti\u00eau chu\u1ea9n ASTM D202 trong th\u1eed nghi\u1ec7m gi\u1ea5y<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-156f03e elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"156f03e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 class=\"\" data-start=\"1107\" data-end=\"1318\">Ti\u00eau chu\u1ea9n ASTM D202 t\u1eadp trung v\u00e0o gi\u1ea5y c\u00e1ch \u0111i\u1ec7n ch\u01b0a qua x\u1eed l\u00fd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111\u1ed9ng c\u01a1, m\u00e1y bi\u1ebfn \u00e1p v\u00e0 c\u00e1p. Trong s\u1ed1 c\u00e1c th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc, <strong data-start=\"1258\" data-end=\"1278\">ma s\u00e1t b\u1ec1 m\u1eb7t<\/strong> Vi\u1ec7c ki\u1ec3m tra c\u00f3 \u00fd ngh\u0129a \u0111\u1eb7c bi\u1ec7t.<\/p><p class=\"\" data-start=\"1320\" data-end=\"1358\">C\u00e1c \u0111\u1eb7c t\u00ednh ma s\u00e1t t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn:<\/p><ul><li data-start=\"1361\" data-end=\"1411\">Hi\u1ec7u su\u1ea5t cu\u1ed9n b\u0103ng trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p c\u00e1ch \u0111i\u1ec7n<\/li><li data-start=\"1414\" data-end=\"1440\">D\u1ec5 d\u00e0ng qu\u1ea5n d\u00e2y d\u1eabn<\/li><li data-start=\"1443\" data-end=\"1490\">T\u00ednh to\u00e0n v\u1eb9n c\u01a1 h\u1ecdc trong qu\u00e1 tr\u00ecnh u\u1ed1n v\u00e0 g\u1ea5p<\/li><li data-start=\"1493\" data-end=\"1539\">Kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t trong qu\u00e1 tr\u00ecnh gia c\u00f4ng v\u00e0 x\u1ebfp ch\u1ed3ng<\/li><\/ul><p class=\"\" data-start=\"1541\" data-end=\"1669\">Ma s\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ed1t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn <strong data-start=\"1582\" data-end=\"1595\">nh\u0103n nheo<\/strong>, <strong data-start=\"1597\" data-end=\"1613\">s\u1ef1 l\u1ec7ch tr\u1ee5c<\/strong>, ho\u1eb7c <strong data-start=\"1618\" data-end=\"1638\">s\u1ef1 c\u1ed1 v\u1eadt li\u1ec7u<\/strong> trong qu\u00e1 tr\u00ecnh thi c\u00f4ng l\u1edbp c\u00e1ch nhi\u1ec7t.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38e9bd9 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"38e9bd9\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quy tr\u00ecnh th\u1eed nghi\u1ec7m: Th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t (COF) tr\u00ean gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b4a43e8 e-con-full e-flex e-con e-child\" data-id=\"b4a43e8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-949eee6 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"949eee6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&quot;}\" 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 class=\"\" data-start=\"2505\" data-end=\"2563\">\u0110\u1ec3 th\u1ef1c hi\u1ec7n <strong data-start=\"2520\" data-end=\"2548\">Th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t (COF) tr\u00ean gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd<\/strong> theo ti\u00eau chu\u1ea9n ASTM D202:<\/p><ol><li data-start=\"2568\" data-end=\"2683\"><strong data-start=\"2568\" data-end=\"2589\">Chu\u1ea9n b\u1ecb m\u1eabu<\/strong>: C\u1eaft m\u1eabu theo h\u01b0\u1edbng s\u1ee3i (MD) \u2013 63 mm \u00d7 170 mm \u0111\u1ed1i v\u1edbi m\u1eabu kh\u1ed1i; 200 mm \u00d7 250 mm \u0111\u1ed1i v\u1edbi m\u1eabu ph\u1eb3ng.<\/li><li data-start=\"2687\" data-end=\"2783\"><strong data-start=\"2687\" data-end=\"2710\">X\u1eed l\u00fd gi\u1ea5y<\/strong>: Tu\u00e2n th\u1ee7 c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ee7a ASTM v\u00e0 TAPPI \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 \u1ea9m v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/li><li data-start=\"2787\" data-end=\"2874\"><strong data-start=\"2787\" data-end=\"2805\">\u0110\u00ednh k\u00e8m m\u1eabu<\/strong>: D\u00f9ng gi\u1ea5y d\u00e1n nh\u1eb9 nh\u00e0ng l\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang v\u00e0 kh\u1ed1i tr\u01b0\u1ee3t.<\/li><li data-start=\"2878\" data-end=\"2896\"><strong data-start=\"2878\" data-end=\"2895\">B\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m<\/strong>:<\/li><\/ol><ul><li style=\"list-style-type: none;\"><ul><li data-start=\"2902\" data-end=\"2958\">\u0110\u1eb7t kh\u1ed1i l\u00ean \u0111\u00e1y m\u1eb7t ph\u1eb3ng v\u00e0 b\u1eaft \u0111\u1ea7u nghi\u00eang b\u1ec1 m\u1eb7t.<\/li><li data-start=\"2964\" data-end=\"3016\">Ch\u1ea1m nh\u1eb9 \u0111\u1ec3 b\u1eaft \u0111\u1ea7u chuy\u1ec3n \u0111\u1ed9ng khi g\u00f3c t\u0103ng l\u00ean.<\/li><li data-start=\"3022\" data-end=\"3088\">G\u00f3c ma s\u00e1t cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c ghi nh\u1eadn khi kh\u1ed1i tr\u01b0\u1ee3t m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 h\u1ed7 tr\u1ee3 n\u00e0o.<\/li><\/ul><\/li><\/ul><p class=\"\" data-start=\"3090\" data-end=\"3189\">Vi\u1ec7c th\u1ef1c hi\u1ec7n nhi\u1ec1u l\u1ea7n \u0111o l\u01b0\u1eddng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u1ec1 m\u1eb7t th\u1ed1ng k\u00ea, v\u1edbi <strong data-start=\"3153\" data-end=\"3179\">g\u00f3c ma s\u00e1t trung b\u00ecnh<\/strong> \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e43e1f1 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-video\" data-id=\"e43e1f1\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=Vn7UkJVWEC8&amp;list=PLsDmI6vEjk0WTw0amtBo5ivnyoX_33goI&amp;index=1&amp;pp=iAQB&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;_animation&quot;:&quot;fadeInRight&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<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9d958da e-flex e-con-boxed e-con e-parent\" data-id=\"9d958da\" 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-5055911 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"5055911\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">M\u00e1y th\u1eed h\u1ec7 s\u1ed1 ma s\u00e1t g\u00f3c tr\u01b0\u1ee3t theo ti\u00eau chu\u1ea9n ASTM D202<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0424cfa e-con-full e-grid e-con e-child\" data-id=\"0424cfa\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-a290580 e-con-full e-flex e-con e-child\" data-id=\"a290580\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7cac45b elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"7cac45b\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 class=\"\" data-start=\"1737\" data-end=\"1999\">C\u00e1i <strong data-start=\"1741\" data-end=\"1787\">M\u00e1y \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t g\u00f3c tr\u01b0\u1ee3t<\/strong> \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong ti\u00eau chu\u1ea9n ASTM D202. Th\u1eed nghi\u1ec7m n\u00e0y \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 tr\u01b0\u1ee3t c\u1ee7a m\u1ed9t t\u1edd gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd khi di chuy\u1ec3n tr\u00ean m\u1ed9t t\u1edd gi\u1ea5y kh\u00e1c ho\u1eb7c tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t nh\u1eb5n nh\u01b0 kim lo\u1ea1i, nh\u1eb1m m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u1eed l\u00fd th\u1ef1c t\u1ebf trong l\u0129nh v\u1ef1c c\u00e1ch \u0111i\u1ec7n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-02517ec elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"02517ec\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">C\u00e1c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a thi\u1ebft b\u1ecb th\u1eed nghi\u1ec7m:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38c9c0f elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"38c9c0f\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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<ul><li data-start=\"2034\" data-end=\"2122\"><strong data-start=\"2034\" data-end=\"2053\">M\u1eb7t ph\u1eb3ng nghi\u00eang:<\/strong> C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh trong kho\u1ea3ng t\u1eeb 0\u00b0 \u0111\u1ebfn 30\u00b0, b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng ch\u1ea5t li\u1ec7u m\u1ecbn v\u00e0 c\u1ee9ng.<\/li><li data-start=\"2125\" data-end=\"2213\"><strong data-start=\"2125\" data-end=\"2143\">Kh\u1ed1i tr\u01b0\u1ee3t:<\/strong> 235 g \u00b1 10 g, l\u00e0m b\u1eb1ng g\u1ed7 c\u1ee9ng v\u1edbi c\u00e1c c\u1ea1nh bo tr\u00f2n, d\u00f9ng \u0111\u1ec3 gi\u1eef m\u1eabu th\u1eed.<\/li><li data-start=\"2216\" data-end=\"2313\"><strong data-start=\"2216\" data-end=\"2247\">\u0110o g\u00f3c ma s\u00e1t:<\/strong> G\u00f3c \u0111\u01b0\u1ee3c ghi l\u1ea1i khi kh\u1ed1i tr\u01b0\u1ee3t m\u00e0 kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng t\u1eeb b\u00ean ngo\u00e0i.<\/li><\/ul><p class=\"\" data-start=\"2315\" data-end=\"2449\">C\u00e1i <strong data-start=\"2319\" data-end=\"2334\">g\u00f3c tr\u01b0\u1ee3t<\/strong> c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan tr\u1ef1c ti\u1ebfp v\u1edbi <strong data-start=\"2362\" data-end=\"2396\">h\u1ec7 s\u1ed1 ma s\u00e1t t\u0129nh<\/strong>, \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m tang c\u1ee7a g\u00f3c \u0111\u00e3 \u0111o.<\/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<div class=\"elementor-element elementor-element-3a3fc5c e-con-full e-flex e-con e-child\" data-id=\"3a3fc5c\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f5aa253 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"f5aa253\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\t<a href=\"https:\/\/www.coefficientfriction.com\/vi\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"200\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/05\/ASTM-D202.webp\" class=\"attachment-large size-large wp-image-436\" alt=\"ASTM D202\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/05\/ASTM-D202.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/05\/ASTM-D202-300x100.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/05\/ASTM-D202-18x6.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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\t\t<div class=\"elementor-element elementor-element-9e1f2e3 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"9e1f2e3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\t<a href=\"https:\/\/www.coefficientfriction.com\/vi\/coefficient-of-friction-testing-equipment\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/elementor\/thumbs\/Inclined-Plane-Coefficient-of-Friction-Tester-02-r3gradsbucsajlkptro0k9osom1smq3i9118z6ksx4.webp\" title=\"M\u00e1y \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t tr\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang 02\" alt=\"M\u00e1y \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t tr\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang 02\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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\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-f7106d9 e-flex e-con-boxed e-con e-parent\" data-id=\"f7106d9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-694940d e-con-full e-flex e-con e-child\" data-id=\"694940d\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8ea1c6c e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"8ea1c6c\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f6ee6d5 elementor-widget elementor-widget-heading\" data-id=\"f6ee6d5\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" 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\">T\u1ea1i sao th\u1eed nghi\u1ec7m ma s\u00e1t l\u1ea1i quan tr\u1ecdng<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-663e3cc elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"663e3cc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 class=\"\" data-start=\"3230\" data-end=\"3315\">Ma s\u00e1t gi\u1eefa c\u00e1c t\u1edd gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd ho\u1eb7c gi\u1eefa gi\u1ea5y v\u00e0 kim lo\u1ea1i cu\u1ed9n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn:<\/p><ul><li data-start=\"3318\" data-end=\"3339\">\u0110\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ea5p b\u0103ng<\/li><li data-start=\"3342\" data-end=\"3368\">\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a t\u1ed1c \u0111\u1ed9 qu\u1ea5n<\/li><li data-start=\"3371\" data-end=\"3407\">Ph\u00f2ng ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng ch\u1ed3ng ch\u00e9o ho\u1eb7c r\u00e1ch<\/li><li data-start=\"3410\" data-end=\"3455\">An to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb c\u00e1ch \u0111i\u1ec7n<\/li><\/ul><p class=\"\" data-start=\"3457\" data-end=\"3666\">Nh\u1edd \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n ASTM D202, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 k\u1ef9 s\u01b0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t <strong data-start=\"3528\" data-end=\"3552\">th\u01b0\u1edbc \u0111o c\u00f3 th\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c<\/strong> v\u1ec1 hi\u1ec7u su\u1ea5t ma s\u00e1t c\u1ee7a gi\u1ea5y, gi\u00fap h\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/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<div class=\"elementor-element elementor-element-b0586e5 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"b0586e5\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-f9046cc e-con-full e-flex e-con e-child\" data-id=\"f9046cc\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4f0b8e elementor-widget elementor-widget-heading\" data-id=\"c4f0b8e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" 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\">\u1ee8ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2186d6f elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"2186d6f\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 class=\"\" data-start=\"4404\" data-end=\"4463\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t (COF) theo ti\u00eau chu\u1ea9n ASTM D202 mang l\u1ea1i l\u1ee3i \u00edch cho nhi\u1ec1u l\u0129nh v\u1ef1c:<\/p><ul><li data-start=\"4466\" data-end=\"4543\"><strong data-start=\"4466\" data-end=\"4490\">Thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/strong>: \u0110\u1ea3m b\u1ea3o t\u00ednh an to\u00e0n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c l\u1edbp c\u00e1ch nhi\u1ec7t.<\/li><li data-start=\"4546\" data-end=\"4623\"><strong data-start=\"4546\" data-end=\"4559\">Bao b\u00ec<\/strong>: Gi\u00fap l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i gi\u1ea5y kh\u00f4ng b\u1ecb x\u00ea d\u1ecbch hay tr\u01b0\u1ee3t trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n.<\/li><li data-start=\"4626\" data-end=\"4706\"><strong data-start=\"4626\" data-end=\"4651\">D\u1ec7t may v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh<\/strong>: Ki\u1ec3m tra \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 t\u01b0\u01a1ng t\u00e1c li\u00ean k\u1ebft c\u1ee7a v\u1eadt li\u1ec7u.<\/li><li data-start=\"4709\" data-end=\"4790\"><strong data-start=\"4709\" data-end=\"4732\">S\u1ea3n xu\u1ea5t gi\u1ea5y<\/strong>: H\u1ed7 tr\u1ee3 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh d\u1ef1a tr\u00ean h\u00e0nh vi b\u1ec1 m\u1eb7t.<\/li><\/ul><p class=\"\" data-start=\"4792\" data-end=\"4886\">D\u00f9 l\u00e0 trong l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n hay s\u1ea3n xu\u1ea5t, vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 ki\u1ec3m so\u00e1t <strong data-start=\"4852\" data-end=\"4872\">ma s\u00e1t b\u1ec1 m\u1eb7t<\/strong> l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/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-3ffb8af e-flex e-con-boxed e-con e-parent\" data-id=\"3ffb8af\" 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-8176736 elementor-widget elementor-widget-heading\" data-id=\"8176736\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" 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\">Cell Instruments COF-03<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cdc8801 e-con-full e-flex e-con e-child\" data-id=\"cdc8801\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4d5d6b7 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"4d5d6b7\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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 class=\"\" data-start=\"3726\" data-end=\"3950\">\u0110\u1ec3 th\u1ef1c hi\u1ec7n ti\u00eau chu\u1ea9n ASTM D202 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3, <strong data-start=\"3776\" data-end=\"3830\">M\u00e1y th\u1eed h\u1ec7 s\u1ed1 ma s\u00e1t (COF) tr\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang \u2019Cell Instruments\u2019 COF-03<\/strong> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 <strong data-start=\"3891\" data-end=\"3930\">h\u1ec7 s\u1ed1 ma s\u00e1t g\u00f3c tr\u01b0\u1ee3t<\/strong>, m\u1eabu COF-03 mang \u0111\u1ebfn:<\/p><ul><li data-start=\"3954\" data-end=\"3992\"><strong data-start=\"3954\" data-end=\"3992\">\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111o cao (\u00b10,01\u00b0)<\/strong><\/li><li data-start=\"3995\" data-end=\"4031\"><strong data-start=\"3995\" data-end=\"4031\">H\u1ec7 th\u1ed1ng n\u00e2ng t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng PLC<\/strong><\/li><li data-start=\"4034\" data-end=\"4078\"><strong data-start=\"4034\" data-end=\"4078\">Hi\u1ec3n th\u1ecb g\u00f3c ma s\u00e1t v\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t (COF) theo th\u1eddi gian th\u1ef1c<\/strong><\/li><li data-start=\"4081\" data-end=\"4127\"><strong data-start=\"4081\" data-end=\"4127\">C\u00e1c t\u00f9y ch\u1ecdn khung tr\u01b0\u1ee3t \u0111a n\u0103ng (200g, 235g, 1300g)<\/strong><\/li><li data-start=\"4130\" data-end=\"4177\"><strong data-start=\"4130\" data-end=\"4177\">Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ASTM D202, TAPPI T815, T548<\/strong><\/li><\/ul><p class=\"\" data-start=\"4179\" data-end=\"4361\">C\u00e1c chuy\u00ean gia trong l\u0129nh v\u1ef1c <strong data-start=\"4196\" data-end=\"4241\">s\u1ea3n xu\u1ea5t gi\u1ea5y c\u00e1ch \u0111i\u1ec7n<\/strong>, <strong data-start=\"4243\" data-end=\"4264\">\u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng<\/strong>, v\u00e0 <strong data-start=\"4270\" data-end=\"4303\">ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m tra v\u1eadt li\u1ec7u<\/strong> tin t\u01b0\u1edfng v\u00e0o COF-03 nh\u1edd t\u00ednh l\u1eb7p l\u1ea1i cao v\u00e0 s\u1ef1 ti\u1ec7n l\u1ee3i khi s\u1eed d\u1ee5ng.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f167249 elementor-widget elementor-widget-image\" data-id=\"f167249\" 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 decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/Inclined-Plane-Coefficient-of-Friction-Tester-01.webp\" class=\"attachment-large size-large wp-image-120\" alt=\"M\u00e1y \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t tr\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang 01\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/Inclined-Plane-Coefficient-of-Friction-Tester-01.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/Inclined-Plane-Coefficient-of-Friction-Tester-01-300x300.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/Inclined-Plane-Coefficient-of-Friction-Tester-01-150x150.webp 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\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\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-6d2c64c e-flex e-con-boxed e-con e-parent\" data-id=\"6d2c64c\" 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-c394047 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c394047\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b484e06 elementor-invisible elementor-widget elementor-widget-n-accordion\" data-id=\"b484e06\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;default_state&quot;:&quot;expanded&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Nh\u1ea5n ph\u00edm Enter ho\u1eb7c ph\u00edm c\u00e1ch \u0111\u1ec3 m\u1edf li\u00ean k\u1ebft, nh\u1ea5n ph\u00edm Escape \u0111\u1ec3 \u0111\u00f3ng, v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u00edm m\u0169i t\u00ean \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1890\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1890\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. M\u1ee5c \u0111\u00edch c\u1ee7a ti\u00eau chu\u1ea9n ASTM D202 l\u00e0 g\u00ec? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1890\" class=\"elementor-element elementor-element-4dda86b e-con-full e-flex e-con e-child\" data-id=\"4dda86b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b1ee56f elementor-widget elementor-widget-text-editor\" data-id=\"b1ee56f\" 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>Ti\u00eau chu\u1ea9n ASTM D202 quy \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1ch \u0111i\u1ec7n, t\u1eadp trung v\u00e0o c\u00e1c t\u00ednh ch\u1ea5t nh\u01b0 ma s\u00e1t b\u1ec1 m\u1eb7t nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng \u0111\u00e1ng tin c\u1eady.<\/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\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1891\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1891\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. T\u1ea1i sao ma s\u00e1t b\u1ec1 m\u1eb7t l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi gi\u1ea5y c\u00e1ch \u0111i\u1ec7n? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1891\" class=\"elementor-element elementor-element-4213cd7 e-con-full e-flex e-con e-child\" data-id=\"4213cd7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a5cb0ea elementor-widget elementor-widget-text-editor\" data-id=\"a5cb0ea\" 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>Ma s\u00e1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch gi\u1ea5y qu\u1ea5n quanh c\u00e1c d\u00e2y d\u1eabn, h\u00e0nh vi c\u1ee7a gi\u1ea5y khi u\u1ed1n cong v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 trong thi\u1ebft b\u1ecb qu\u1ea5n b\u0103ng.<\/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\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1892\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1892\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. Thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m h\u1ec7 s\u1ed1 ma s\u00e1t (COF) \u1edf g\u00f3c tr\u01b0\u1ee3t? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1892\" class=\"elementor-element elementor-element-8cbaf70 e-con-full e-flex e-con e-child\" data-id=\"8cbaf70\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed707d2 elementor-widget elementor-widget-text-editor\" data-id=\"ed707d2\" 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>Ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng m\u1ed9t m\u1eb7t ph\u1eb3ng nghi\u00eang ch\u00ednh x\u00e1c, m\u1ed9t kh\u1ed1i tr\u01b0\u1ee3t v\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111o g\u00f3c, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1eefng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c trang b\u1ecb trong m\u00e1y th\u1eed nghi\u1ec7m COF-03 c\u1ee7a Cell Instruments.<\/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\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1893\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1893\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. H\u1ec7 s\u1ed1 ma s\u00e1t \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n nh\u01b0 th\u1ebf n\u00e0o theo ti\u00eau chu\u1ea9n ASTM D202? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1893\" class=\"elementor-element elementor-element-271e84b e-flex e-con-boxed e-con e-child\" data-id=\"271e84b\" 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-e6f9b16 elementor-widget elementor-widget-text-editor\" data-id=\"e6f9b16\" 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>\u0110\u00f3 l\u00e0 tang c\u1ee7a g\u00f3c m\u00e0 t\u1ea1i \u0111\u00f3 t\u1edd gi\u1ea5y b\u1eaft \u0111\u1ea7u tr\u01b0\u1ee3t tr\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang m\u00e0 kh\u00f4ng c\u00f3 l\u1ef1c b\u00ean ngo\u00e0i t\u00e1c \u0111\u1ed9ng.<\/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\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1894\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1894\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 5. Ai l\u00e0 ng\u01b0\u1eddi \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb vi\u1ec7c th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D202? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1894\" class=\"elementor-element elementor-element-ff51f51 e-flex e-con-boxed e-con e-child\" data-id=\"ff51f51\" 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-69dfbb3 elementor-widget elementor-widget-text-editor\" data-id=\"69dfbb3\" 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>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n, c\u00e1c chuy\u00ean gia \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m \u0111\u1ecbnh \u0111\u1ec1u s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n ASTM D202 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t mong mu\u1ed1n.<\/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\t<\/details>\n\t\t\t\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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd d\u00f9ng l\u00e0m v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n \u2013 MA S\u00c1T B\u1ec0 M\u1eb6T Vi\u1ec7c \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c c\u00e1c t\u00ednh ch\u1ea5t b\u1ec1 m\u1eb7t c\u1ee7a gi\u1ea5y c\u00e1ch \u0111i\u1ec7n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe. Ti\u00eau chu\u1ea9n ASTM D202, \u201cPh\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n v\u1ec1 l\u1ea5y m\u1eabu v\u00e0 th\u1eed nghi\u1ec7m gi\u1ea5y ch\u01b0a qua x\u1eed l\u00fd d\u00f9ng l\u00e0m v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n\u201d, cung c\u1ea5p h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n \u0111\u1ec3 \u0111o h\u1ec7 s\u1ed1 ma s\u00e1t g\u00f3c tr\u01b0\u1ee3t \u2014 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-434","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages\/434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/comments?post=434"}],"version-history":[{"count":6,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages\/434\/revisions"}],"predecessor-version":[{"id":712,"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/pages\/434\/revisions\/712"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/vi\/wp-json\/wp\/v2\/media?parent=434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}