{"id":9845,"date":"2026-02-24T15:11:45","date_gmt":"2026-02-24T07:11:45","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d4917-2\/"},"modified":"2026-04-16T09:53:06","modified_gmt":"2026-04-16T01:53:06","slug":"astm-d4917","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/ta\/standard\/astm-d4917\/","title":{"rendered":"ASTM D4917"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0bae\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbf\u0bb2\u0bcd \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bbe\u0bb0\u0ba3\u0bbf\u0baa\u0bcd \u0baa\u0bc1\u0bb0\u0bbf\u0ba4\u0bb2\u0bcd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong data-start=\"1472\" data-end=\"1505\">\u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bbe\u0bb0\u0ba3\u0bbf (COF)<\/strong> \u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bc1 \u0baa\u0bb0\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0b9f\u0bc8\u0baf\u0bbf\u0bb2\u0bbe\u0ba9 \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0bb1\u0bcd\u0b95\u0bbe\u0ba9 \u0b8e\u0ba4\u0bbf\u0bb0\u0bcd\u0baa\u0bcd\u0baa\u0bc8\u0baa\u0bcd \u0baa\u0bbf\u0bb0\u0ba4\u0bbf\u0baa\u0bb2\u0bbf\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0b92\u0bb0\u0bc1 \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0bae\u0bbe\u0ba9 \u0b85\u0bb3\u0bb5\u0bc1\u0bb0\u0bc1\u0bb5\u0bbe\u0b95\u0bc1\u0bae\u0bcd. \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bbf\u0bb2\u0bcd, \u0b92\u0bb0\u0bc1 \u0ba4\u0bbe\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bca\u0ba9\u0bcd\u0bb1\u0bbf\u0ba9\u0bcd \u0bae\u0bc0\u0ba4\u0bc1 \u0b8e\u0bb5\u0bcd\u0bb5\u0bbe\u0bb1\u0bc1 \u0b9a\u0bb1\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1 \u0b8e\u0ba9\u0bcd\u0baa\u0ba4\u0bc8 \u0b87\u0ba8\u0bcd\u0ba4 \u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bc1 \u0baa\u0bbe\u0ba4\u0bbf\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. <strong data-start=\"1674\" data-end=\"1688\">\u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 COF<\/strong> \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bc8\u0ba4\u0bcd \u0ba4\u0bca\u0b9f\u0b99\u0bcd\u0b95\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0baf\u0bbe\u0ba9 \u0bb5\u0bbf\u0b9a\u0bc8\u0baf\u0bc8\u0ba4\u0bcd \u0ba4\u0bc0\u0bb0\u0bcd\u0bae\u0bbe\u0ba9\u0bbf\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1, \u0b85\u0ba4\u0bc7 \u0b9a\u0bae\u0baf\u0bae\u0bcd <strong data-start=\"1752\" data-end=\"1767\">\u0b87\u0baf\u0b95\u0bcd\u0b95\u0bb5\u0bbf\u0baf\u0bb2\u0bcd COF<\/strong> \u0b92\u0bb0\u0bc1 \u0b9a\u0bc0\u0bb0\u0bbe\u0ba9 \u0bb5\u0bc7\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0bb2\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bc8\u0ba4\u0bcd \u0ba4\u0b95\u0bcd\u0b95\u0bb5\u0bc8\u0b95\u0bcd\u0b95\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0baf\u0bbe\u0ba9 \u0bb5\u0bbf\u0b9a\u0bc8\u0baf\u0bc8 \u0b85\u0bb3\u0bb5\u0bbf\u0b9f\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. ASTM D4917 \u0b95\u0bbf\u0b9f\u0bc8\u0bae\u0b9f\u0bcd\u0b9f \u0b9a\u0bb1\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bc8\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bbf \u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bc1 \u0b85\u0bb3\u0bb5\u0bc0\u0b9f\u0bc1\u0b95\u0bb3\u0bc8\u0baf\u0bc1\u0bae\u0bcd \u0b9a\u0bc6\u0baf\u0bcd\u0baf \u0b89\u0ba4\u0bb5\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0b89\u0baa\u0b95\u0bb0\u0ba3\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf \u0ba4\u0baf\u0bbe\u0bb0\u0bbf\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bcd \u0b95\u0bb0\u0bc1\u0ba4\u0bc1\u0b95\u0bcb\u0bb3\u0bcd\u0b95\u0bb3\u0bcd<\/h2>\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<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"\u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bc1\u0ba3\u0b95\u0b95\u0bcd \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0ba8\u0b9f\u0bc8\u0baa\u0bc6\u0bb1\u0bcd\u0bb1\u0bc1 \u0bb5\u0bb0\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Iq-UFiGqF64?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><\/div>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4917-\u0b87\u0ba9\u0bcd \u0baa\u0b9f\u0bbf \u0ba8\u0bae\u0bcd\u0baa\u0b95\u0bae\u0bbe\u0ba9 COF \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0b95\u0bb3\u0bc8 \u0ba8\u0b9f\u0ba4\u0bcd\u0ba4, \u0b9a\u0bbf\u0bb1\u0baa\u0bcd\u0baa\u0bc1 \u0b89\u0baa\u0b95\u0bb0\u0ba3\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0b85\u0bb5\u0b9a\u0bbf\u0baf\u0bae\u0bcd. \u0b92\u0bb0\u0bc1 <strong data-start=\"3843\" data-end=\"3877\">\u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0b87\u0baf\u0b95\u0bcd\u0b95 \u0bb5\u0bbf\u0b95\u0bbf\u0ba4\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bcd<\/strong>, \u0b92\u0bb0\u0bc1 \u0bb2\u0bcb\u0b9f\u0bcd \u0b9a\u0bc6\u0bb2\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f\u0bc1\u0bae\u0bcd, \u0ba8\u0bbf\u0bae\u0bbf\u0b9f\u0ba4\u0bcd\u0ba4\u0bbf\u0bb1\u0bcd\u0b95\u0bc1 150 \u00b1 30 \u0bae\u0bbf\u0bae\u0bc0 \u0bb5\u0bc7\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0bb2\u0bcd \u0b92\u0bb0\u0bc1 \u0b9a\u0bb1\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0bb5\u0ba3\u0bcd\u0b9f\u0bbf\u0baf\u0bc8 \u0b87\u0bb4\u0bc1\u0b95\u0bcd\u0b95\u0b95\u0bcd\u0b95\u0bc2\u0b9f\u0bbf\u0baf \u0ba4\u0bbf\u0bb1\u0ba9\u0bc1\u0bae\u0bcd \u0b95\u0bca\u0ba3\u0bcd\u0b9f\u0ba4\u0bc1, \u0baa\u0bca\u0ba4\u0bc1\u0bb5\u0bbe\u0b95\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0ba9 \u0bae\u0bc1\u0b9f\u0bbf\u0bb5\u0bc1\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1, \u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf\u0b95\u0bb3\u0bcd \u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0bb5\u0bb3\u0bbf\u0bae\u0ba3\u0bcd\u0b9f\u0bb2 \u0ba8\u0bbf\u0bb2\u0bc8\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0b95\u0bc0\u0bb4\u0bcd (TAPPI T402 \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 ASTM D685-\u0b87\u0ba9\u0bcd \u0baa\u0b9f\u0bbf) \u0bae\u0bc1\u0ba9\u0bcd\u0ba8\u0bbf\u0bb2\u0bc8\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f\u0bc1, \u0b87\u0baf\u0ba8\u0bcd\u0ba4\u0bbf\u0bb0\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0ba4\u0bbf\u0b9a\u0bc8 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0bb4\u0bc8 \u0b85\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bbf\u0ba9\u0bcd \u0ba4\u0bbf\u0b9a\u0bc8\u0b95\u0bcd\u0b95\u0bc1 \u0b8f\u0bb1\u0bcd\u0baa \u0ba4\u0baf\u0bbe\u0bb0\u0bbf\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f \u0bb5\u0bc7\u0ba3\u0bcd\u0b9f\u0bc1\u0bae\u0bcd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0ba8\u0bbe\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0baa\u0bb0\u0bbf\u0ba8\u0bcd\u0ba4\u0bc1\u0bb0\u0bc8\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0bcb\u0bae\u0bcd <strong data-start=\"4191\" data-end=\"4249\">Cell Instruments COF-01 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bbe\u0bb0\u0ba3\u0bbf \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bcd<\/strong>, ASTM D4917 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd ISO 8295 \u0ba4\u0bc7\u0bb5\u0bc8\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0bc2\u0bb0\u0bcd\u0ba4\u0bcd\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0baf \u0bb5\u0b9f\u0bbf\u0bb5\u0bae\u0bc8\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b92\u0bb0\u0bc1 \u0b89\u0baf\u0bb0\u0bcd-\u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0ba9 \u0b95\u0bbf\u0b9f\u0bc8\u0bae\u0b9f\u0bcd\u0b9f \u0ba4\u0bb3 \u0b95\u0bb0\u0bc1\u0bb5\u0bbf. \u0b87\u0ba4\u0bc1 \u0b9f\u0bbf\u0b9c\u0bbf\u0b9f\u0bcd\u0b9f\u0bb2\u0bcd \u0b95\u0b9f\u0bcd\u0b9f\u0bc1\u0baa\u0bcd\u0baa\u0bbe\u0b9f\u0bc1, \u0b9a\u0bb0\u0bbf\u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0b95\u0bcd\u0b95\u0bc2\u0b9f\u0bbf\u0baf \u0bb8\u0bcd\u0bb2\u0bc6\u0b9f\u0bcd \u0bb5\u0bbf\u0bb0\u0bc1\u0baa\u0bcd\u0baa\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba4\u0bbe\u0ba9\u0bbf\u0baf\u0b99\u0bcd\u0b95\u0bbf \u0bb5\u0bbf\u0b9a\u0bc8 \u0b85\u0bb3\u0bb5\u0bc0\u0b9f\u0bc1 \u0b86\u0b95\u0bbf\u0baf\u0bb5\u0bb1\u0bcd\u0bb1\u0bc8\u0b95\u0bcd \u0b95\u0bca\u0ba3\u0bcd\u0b9f\u0bc1\u0bb3\u0bcd\u0bb3\u0ba4\u0bc1\u2014\u0b87\u0ba4\u0bc1 \u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95\u0bb5\u0bbf\u0baf\u0bb2\u0bcd COF \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0b95\u0bb3\u0bcd \u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bbf\u0bb1\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0ba9, \u0bae\u0bc0\u0ba3\u0bcd\u0b9f\u0bc1\u0bae\u0bcd \u0b89\u0bb0\u0bc1\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0b95\u0bcd\u0b95\u0bc2\u0b9f\u0bbf\u0baf \u0bae\u0bc1\u0b9f\u0bbf\u0bb5\u0bc1\u0b95\u0bb3\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0ba4\u0bbe\u0bb3\u0bcd \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1: \u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95\u0bb5\u0bbf\u0baf\u0bb2\u0bcd \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0bb5\u0bbf\u0bb3\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f\u0bc1\u0bb3\u0bcd\u0bb3\u0ba4\u0bc1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4917-\u0b87\u0ba9\u0bcd \u0b95\u0bc0\u0bb4\u0bcd \u0b95\u0bbe\u0b95\u0bbf\u0ba4 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0b8e\u0ba9\u0bcd\u0baa\u0ba4\u0bc1, \u0b92\u0bb0\u0bc1 \u0ba4\u0b9f\u0bcd\u0b9f\u0bc8\u0baf\u0bbe\u0ba9 \u0b95\u0bbf\u0b9f\u0bc8\u0bae\u0b9f\u0bcd\u0b9f\u0bae\u0bbe\u0ba9 \u0baa\u0bb0\u0baa\u0bcd\u0baa\u0bbf\u0bb2\u0bcd \u0b92\u0bb0\u0bc1 \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0ba4\u0bcd \u0ba4\u0bbe\u0bb3\u0bc8 \u0bb5\u0bc8\u0ba4\u0bcd\u0ba4\u0bc1, \u0b85\u0ba4\u0ba9\u0bcd \u0bae\u0bc0\u0ba4\u0bc1 \u0bae\u0bb1\u0bcd\u0bb1\u0bca\u0bb0\u0bc1 \u0b85\u0ba4\u0bc7 \u0baa\u0bcb\u0ba9\u0bcd\u0bb1 \u0ba4\u0bbe\u0bb3\u0bc8 \u0bb5\u0bc8\u0baa\u0bcd\u0baa\u0ba4\u0bc8 \u0b89\u0bb3\u0bcd\u0bb3\u0b9f\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0ba4\u0bc1. \u0b92\u0bb0\u0bc1 \u0b9a\u0bb1\u0bc1\u0b95\u0bcd\u0b95\u0bc1 (\u0baa\u0bca\u0ba4\u0bc1\u0bb5\u0bbe\u0b95 \u0bb0\u0baa\u0bcd\u0baa\u0bb0\u0bcd \u0baa\u0bc2\u0b9a\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f\u0ba4\u0bc1) \u0bae\u0bc7\u0bb2\u0bcd \u0ba4\u0bbe\u0bb3\u0bbf\u0ba9\u0bcd \u0bae\u0bc0\u0ba4\u0bc1 \u0bb5\u0bc8\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. \u0b9a\u0bb1\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0bb4\u0bc1\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd\u0baa\u0bcb\u0ba4\u0bc1, \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bc8\u0ba4\u0bcd \u0ba4\u0bca\u0b9f\u0b99\u0bcd\u0b95\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0baf\u0bbe\u0ba9 \u0bb5\u0bbf\u0b9a\u0bc8 (\u0ba8\u0bbf\u0bb2\u0bc8 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1) \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bc8\u0ba4\u0bcd \u0ba4\u0bca\u0b9f\u0bb0\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0baf\u0bbe\u0ba9 \u0bb5\u0bbf\u0b9a\u0bc8 (\u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1) \u0b85\u0bb3\u0bb5\u0bbf\u0b9f\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0b87\u0ba4\u0bc1 <strong data-start=\"2334\" data-end=\"2368\">\u0ba4\u0bbe\u0bb3\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8<\/strong> \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd <strong data-start=\"2373\" data-end=\"2406\">\u0b95\u0bbe\u0b95\u0bbf\u0ba4 \u0ba8\u0bbf\u0bb2\u0bc8\u0baa\u0bcd\u0baa\u0bbf\u0ba3\u0bc8\u0bb5\u0bc1 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8<\/strong> \u0b89\u0baf\u0bb0\u0bcd-\u0bb5\u0bc7\u0b95 \u0b85\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0ba4\u0bbe\u0bb3\u0bcd \u0baa\u0bbf\u0bb0\u0bbf\u0ba4\u0bb2\u0bcd, \u0b8a\u0b9f\u0bcd\u0b9f \u0ba8\u0bbf\u0bb2\u0bc8\u0ba4\u0bcd\u0ba4\u0ba9\u0bcd\u0bae\u0bc8 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b85\u0b9a\u0bcd\u0b9a\u0bc1 \u0b9a\u0bc0\u0bb0\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bc8\u0baa\u0bcd \u0baa\u0bc1\u0bb0\u0bbf\u0ba8\u0bcd\u0ba4\u0bc1\u0b95\u0bca\u0bb3\u0bcd\u0bb5\u0ba4\u0bb1\u0bcd\u0b95\u0bbe\u0ba9 \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0bae\u0bbe\u0ba9 \u0ba4\u0bb0\u0bb5\u0bc1\u0b95\u0bb3\u0bc8 \u0bb5\u0bb4\u0b99\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0b85\u0b9a\u0bcd\u0b9a\u0bbf\u0b9f\u0bb2\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0baa\u0bc2\u0b9a\u0bcd\u0b9a\u0bc1 \u0b87\u0bb2\u0bcd\u0bb2\u0bbe\u0ba4 \u0b95\u0bbe\u0b95\u0bbf\u0ba4 COF \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbf\u0bb2\u0bcd ASTM D4917-\u0b87\u0ba9\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bcd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0ba4\u0bbf <strong data-start=\"2613\" data-end=\"2640\">\u0b85\u0b9a\u0bcd\u0b9a\u0bbf\u0b9f\u0bc1\u0bae\u0bcd \u0b95\u0bbe\u0b95\u0bbf\u0ba4 COF \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8<\/strong> \u0b85\u0b9a\u0bcd\u0b9a\u0b95\u0b9a\u0bcd \u0b9a\u0bc2\u0bb4\u0bb2\u0bcd\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0b87\u0ba4\u0bc1 \u0b95\u0bc1\u0bb1\u0bbf\u0baa\u0bcd\u0baa\u0bbe\u0b95 \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0bae\u0bbe\u0ba9\u0ba4\u0bc1, \u0b85\u0b99\u0bcd\u0b95\u0bc1 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0ba8\u0bbf\u0bb2\u0bc8\u0ba4\u0bcd\u0ba4\u0ba9\u0bcd\u0bae\u0bc8 \u0b92\u0bb1\u0bcd\u0bb1\u0bc8\u0ba4\u0bcd \u0ba4\u0bbe\u0bb3\u0bcd \u0bb5\u0bb4\u0b99\u0bcd\u0b95\u0bc1\u0bb5\u0ba4\u0bbf\u0bb2\u0bcd \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0ba4\u0bcd\u0ba4\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf\u0b9a\u0bc6\u0baf\u0bcd\u0ba4\u0bc1, \u0ba4\u0bbe\u0bb3\u0bcd \u0b9a\u0bbf\u0b95\u0bcd\u0b95\u0bb2\u0bcd\u0b95\u0bb3\u0bcd \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0ba4\u0bb5\u0bb1\u0bbe\u0ba9 \u0bb5\u0bb4\u0b99\u0bcd\u0b95\u0bb2\u0bcd\u0b95\u0bb3\u0bc8\u0b95\u0bcd \u0b95\u0bc1\u0bb1\u0bc8\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. \u0b85\u0ba4\u0bc7\u0baa\u0bcb\u0bb2\u0bcd, <strong data-start=\"2799\" data-end=\"2826\">\u0baa\u0bc2\u0b9a\u0bcd\u0b9a\u0bc1 \u0b87\u0bb2\u0bcd\u0bb2\u0bbe\u0ba4 \u0b95\u0bbe\u0b95\u0bbf\u0ba4 COF \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8<\/strong> \u0ba4\u0bbe\u0bb3\u0bcd \u0b89\u0bb1\u0bcd\u0baa\u0ba4\u0bcd\u0ba4\u0bbf\u0baf\u0bbe\u0bb3\u0bb0\u0bcd\u0b95\u0bb3\u0bcd, \u0baa\u0bca\u0bb0\u0bc1\u0b9f\u0bcd\u0b95\u0bb3\u0bc8 \u0bae\u0bbe\u0bb1\u0bcd\u0bb1\u0bc1\u0bb5\u0ba4\u0bb1\u0bcd\u0b95\u0bc1 \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0bb5\u0bbf\u0ba8\u0bbf\u0baf\u0bcb\u0b95\u0bbf\u0baa\u0bcd\u0baa\u0ba4\u0bb1\u0bcd\u0b95\u0bc1 \u0bae\u0bc1\u0ba9\u0bcd\u0baa\u0bc1, \u0b85\u0bb5\u0bb1\u0bcd\u0bb1\u0bbf\u0ba9\u0bcd \u0bb5\u0bbf\u0bb5\u0bb0\u0b95\u0bcd\u0b95\u0bc1\u0bb1\u0bbf\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bc8\u0b9a\u0bcd \u0b9a\u0bb0\u0bbf\u0baa\u0bbe\u0bb0\u0bcd\u0b95\u0bcd\u0b95 \u0b89\u0ba4\u0bb5\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bc1 \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bbf\u0bb2\u0bc1\u0bae\u0bcd, ASTM D4917 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0bae\u0bbe\u0bb1\u0bc1\u0baa\u0bbe\u0b9f\u0bcd\u0b9f\u0bc8\u0b95\u0bcd \u0b95\u0bc1\u0bb1\u0bc8\u0ba4\u0bcd\u0ba4\u0bc1, \u0ba4\u0bca\u0bb4\u0bbf\u0bb2\u0bcd \u0ba4\u0bb0 \u0b85\u0bb3\u0bb5\u0bc1\u0b95\u0bcb\u0bb2\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0ba3\u0b99\u0bcd\u0b95\u0bc1\u0bb5\u0ba4\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf\u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0bc1\u0bae\u0bcd \u0b92\u0bb0\u0bc1 \u0ba4\u0bb0\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b85\u0ba3\u0bc1\u0b95\u0bc1\u0bae\u0bc1\u0bb1\u0bc8\u0baf\u0bc8 \u0bb5\u0bb4\u0b99\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0bae\u0bb1\u0bcd\u0bb1 \u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0baa\u0bcd \u0baa\u0ba4\u0bbf\u0bb2\u0bbe\u0b95 ASTM D4917-\u0b90 \u0b8f\u0ba9\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4 \u0bb5\u0bc7\u0ba3\u0bcd\u0b9f\u0bc1\u0bae\u0bcd?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bc1\u0ba3\u0b95\u0ba4\u0bcd\u0ba4\u0bc8 (kinetic COF) \u0ba4\u0bc0\u0bb0\u0bcd\u0bae\u0bbe\u0ba9\u0bbf\u0b95\u0bcd\u0b95 \u0bae\u0bc1\u0b9f\u0bbf\u0baf\u0bbe\u0ba4 \u0b9a\u0bbe\u0baf\u0bcd\u0bb5\u0bbe\u0ba9 \u0ba4\u0bb3 \u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0bcb\u0bb2\u0bb2\u0bcd\u0bb2\u0bbe\u0bae\u0bb2\u0bcd (ASTM D4918 \u0baa\u0bcb\u0ba9\u0bcd\u0bb1\u0bb5\u0bc8), ASTM D4917 \u0b95\u0bbf\u0b9f\u0bc8\u0bae\u0b9f\u0bcd\u0b9f \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0bae\u0bc2\u0bb2\u0bae\u0bcd \u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0b86\u0b95\u0bbf\u0baf \u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bc8\u0baf\u0bc1\u0bae\u0bcd \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0b95 \u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bbf\u0b9f\u0bc1\u0bb5\u0ba4\u0bb1\u0bcd\u0b95\u0bc1 \u0b85\u0ba9\u0bc1\u0bae\u0ba4\u0bbf\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. \u0bae\u0bc7\u0bb2\u0bc1\u0bae\u0bcd, \u0b87\u0ba4\u0bc1 \u0bae\u0bc1\u0ba4\u0bb2\u0bcd \u0ba4\u0bca\u0b9f\u0bb0\u0bcd\u0baa\u0bbf\u0bb2\u0bcd \u0bae\u0b9f\u0bcd\u0b9f\u0bc1\u0bae\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0b9a\u0bc6\u0baf\u0bcd\u0bb5\u0ba4\u0ba9\u0bcd \u0bae\u0bc2\u0bb2\u0bae\u0bcd \u0b9a\u0bb1\u0bc1\u0b95\u0bcd\u0b95\u0bb2\u0bcd \u0ba4\u0bc7\u0baf\u0bcd\u0bae\u0bbe\u0ba9\u0ba4\u0bcd\u0ba4\u0bc8\u0b95\u0bcd \u0b95\u0bc1\u0bb1\u0bc8\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1, \u0b87\u0ba4\u0bc1 \u0ba8\u0bbf\u0b9c \u0b89\u0bb2\u0b95\u0ba4\u0bcd \u0ba4\u0bbe\u0bb3\u0bcd \u0b95\u0bc8\u0baf\u0bbe\u0bb3\u0bc1\u0bae\u0bcd \u0b9a\u0bc2\u0bb4\u0bcd\u0ba8\u0bbf\u0bb2\u0bc8\u0b95\u0bb3\u0bc8\u0b9a\u0bcd \u0b9a\u0bbf\u0bb1\u0baa\u0bcd\u0baa\u0bbe\u0b95\u0baa\u0bcd \u0baa\u0bbf\u0bb0\u0ba4\u0bbf\u0baa\u0bb2\u0bbf\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0b9a\u0bc1\u0bb0\u0bc1\u0bb3\u0bcd \u0b85\u0b9f\u0bcd\u0b9f\u0bc8 \u0baa\u0bcb\u0ba9\u0bcd\u0bb1 \u0b95\u0b9f\u0bbf\u0ba9\u0bae\u0bbe\u0ba9 \u0baa\u0bca\u0bb0\u0bc1\u0b9f\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1, ASTM D4521 \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 ASTM D3247 \u0bae\u0bbf\u0b95\u0bb5\u0bc1\u0bae\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0ba4\u0bcd\u0ba4\u0bae\u0bbe\u0ba9\u0ba4\u0bc1. \u0b86\u0ba9\u0bbe\u0bb2\u0bcd <strong data-start=\"3557\" data-end=\"3592\">\u0bae\u0bc6\u0bb2\u0bbf\u0ba4\u0bbe\u0ba9, \u0ba8\u0bc6\u0b95\u0bbf\u0bb4\u0bcd\u0bb5\u0bbe\u0ba9, \u0baa\u0bc2\u0b9a\u0bcd\u0b9a\u0bc1 \u0b87\u0bb2\u0bcd\u0bb2\u0bbe\u0ba4 \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0b99\u0bcd\u0b95\u0bb3\u0bcd<\/strong>, D4917 \u0b8e\u0ba9\u0bcd\u0baa\u0ba4\u0bc1 \u0baa\u0bc6\u0bb0\u0bc1\u0bae\u0bcd\u0baa\u0bbe\u0bb2\u0bbe\u0ba9 \u0b85\u0b9a\u0bcd\u0b9a\u0bc1\u0baa\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0bb3\u0bcd \u0bae\u0bbe\u0bb1\u0bcd\u0bb1\u0bc1\u0ba8\u0bb0\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0baa\u0bc7\u0b95\u0bcd\u0b95\u0bc7\u0b9c\u0bbf\u0b99\u0bcd \u0b86\u0baf\u0bcd\u0bb5\u0b95\u0b99\u0bcd\u0b95\u0bb3\u0bbe\u0bb2\u0bcd \u0baa\u0bb0\u0bbf\u0ba8\u0bcd\u0ba4\u0bc1\u0bb0\u0bc8\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf \u0bae\u0bc1\u0bb1\u0bc8\u0baf\u0bbe\u0b95\u0bc1\u0bae\u0bcd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0b9a\u0bb0\u0bbf\u0baf\u0bbe\u0ba9 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bbe\u0bb0\u0ba3\u0bbf \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bc8\u0ba4\u0bcd \u0ba4\u0bc7\u0bb0\u0bcd\u0ba8\u0bcd\u0ba4\u0bc6\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bb2\u0bcd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM D4917-\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0ba3\u0b99\u0bcd\u0b95\u0bb5\u0bc1\u0bae\u0bcd, \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0ba9 \u0b95\u0bbe\u0b95\u0bbf\u0ba4 COF \u0bae\u0bc1\u0b9f\u0bbf\u0bb5\u0bc1\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0bc6\u0bb1\u0bb5\u0bc1\u0bae\u0bcd, \u0ba8\u0bbe\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0baa\u0bb0\u0bbf\u0ba8\u0bcd\u0ba4\u0bc1\u0bb0\u0bc8\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0bcb\u0bae\u0bcd. <strong data-start=\"4239\" data-end=\"4270\">\u0b9a\u0bc6\u0bb2\u0bcd \u0b95\u0bb0\u0bc1\u0bb5\u0bbf\u0b95\u0bb3\u0bcd <a href=\"https:\/\/www.packqc.com\/ta\/product\/coefficient-of-friction-testing-equipment\/\">COF-01<\/a> \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bcd<\/strong>, \u0b87\u0ba4\u0bb1\u0bcd\u0b95\u0bbe\u0b95 \u0b89\u0b95\u0ba8\u0bcd\u0ba4\u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f\u0ba4\u0bc1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0b85\u0b95\u0bb2\u0bae\u0bbe\u0ba9 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8<\/li>\n\n\n\n<li>\u0ba8\u0bbf\u0bb2\u0bc8 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0b85\u0bb3\u0bb5\u0bc0\u0b9f\u0bc1\u0b95\u0bb3\u0bcd<\/li>\n\n\n\n<li>\u0baa\u0bc2\u0b9a\u0bcd\u0b9a\u0bc1 \u0b87\u0bb2\u0bcd\u0bb2\u0bbe\u0ba4 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b9a\u0bbf\u0bb1\u0baa\u0bcd\u0baa\u0bc1\u0ba4\u0bcd \u0ba4\u0bbe\u0bb3\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bbe\u0ba9 \u0ba4\u0ba9\u0bbf\u0baa\u0bcd\u0baa\u0baf\u0ba9\u0bcd \u0b9a\u0bbe\u0ba4\u0ba9 \u0bb5\u0b9f\u0bbf\u0bb5\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bc1<\/li>\n\n\n\n<li>\u0bb8\u0bcd\u0bae\u0bbe\u0bb0\u0bcd\u0b9f\u0bcd \u0ba4\u0bb0\u0bb5\u0bc1\u0baa\u0bcd \u0baa\u0ba4\u0bbf\u0bb5\u0bc1\u00a0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0bb5\u0bb2\u0bbf\u0bae\u0bc8\u0baf\u0bbe\u0ba9 \u0baa\u0bca\u0bb1\u0bbf\u0baf\u0bbf\u0baf\u0bb2\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0bbe\u0b9f\u0bcd\u0b9f\u0bc1 \u0b86\u0ba4\u0bb0\u0bb5\u0bc1\u0b9f\u0ba9\u0bcd, Cell Instruments-\u0b87\u0ba9\u0bcd \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bcd\u0b95\u0bb3\u0bcd \u0baa\u0bb2\u0bcd\u0bb5\u0bc7\u0bb1\u0bc1 \u0bb5\u0b95\u0bc8\u0baf\u0bbe\u0ba9 \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0baa\u0bcd \u0baa\u0bb0\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0ba4\u0bcd\u0ba4\u0bc8\u0baf\u0bc1\u0bae\u0bcd \u0bae\u0bc0\u0ba3\u0bcd\u0b9f\u0bc1\u0bae\u0bcd \u0bae\u0bc0\u0ba3\u0bcd\u0b9f\u0bc1\u0bae\u0bcd \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0b95\u0bcd\u0b95\u0bc2\u0b9f\u0bbf\u0baf \u0ba4\u0ba9\u0bcd\u0bae\u0bc8\u0baf\u0bc8\u0baf\u0bc1\u0bae\u0bcd \u0b89\u0bb1\u0bc1\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0b8e\u0b99\u0bcd\u0b95\u0bb3\u0bc8\u0ba4\u0bcd \u0ba4\u0bca\u0b9f\u0bb0\u0bcd\u0baa\u0bc1\u0b95\u0bca\u0bb3\u0bcd\u0bb3\u0bc1\u0b99\u0bcd\u0b95\u0bb3\u0bcd ASTM D4917 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0ba4\u0bcd \u0ba4\u0bc0\u0bb0\u0bcd\u0bb5\u0bc8\u0baa\u0bcd \u0baa\u0bc6\u0bb1\u0bc1\u0b99\u0bcd\u0b95\u0bb3\u0bcd <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0baa\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0b9f\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0baa\u0bcd \u0baa\u0ba3\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bcd, \u0b85\u0b9a\u0bcd\u0b9a\u0bbf\u0b9f\u0bc1\u0ba4\u0bb2\u0bcd, \u0baa\u0bc7\u0b95\u0bcd\u0b95\u0bc7\u0b9c\u0bbf\u0b99\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0bae\u0bbe\u0bb1\u0bcd\u0bb1\u0bc1\u0ba4\u0bb2\u0bcd \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0ba4\u0bbf\u0bb1\u0ba9\u0bc8\u0b95\u0bcd \u0b95\u0ba3\u0bbf\u0b9a\u0bae\u0bbe\u0b95\u0baa\u0bcd \u0baa\u0bbe\u0ba4\u0bbf\u0b95\u0bcd\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9. <strong data-start=\"5267\" data-end=\"5281\">ASTM D4917<\/strong> \u0baa\u0bc2\u0b9a\u0bcd\u0b9a\u0bc1 \u0b87\u0bb2\u0bcd\u0bb2\u0bbe\u0ba4 \u0b8e\u0bb4\u0bc1\u0ba4\u0bc1\u0bae\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b85\u0b9a\u0bcd\u0b9a\u0bbf\u0b9f\u0bc1\u0bae\u0bcd \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1 \u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bc8\u0baf\u0bc1\u0bae\u0bcd \u0b85\u0bb3\u0bb5\u0bbf\u0b9f, \u0b92\u0bb0\u0bc1 \u0ba4\u0bb0\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f, \u0ba8\u0bae\u0bcd\u0baa\u0b95\u0bae\u0bbe\u0ba9 \u0b95\u0b9f\u0bcd\u0b9f\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bc8 \u0bb5\u0bb4\u0b99\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. \u0baa\u0bcb\u0ba9\u0bcd\u0bb1 \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0ba9 \u0b95\u0bb0\u0bc1\u0bb5\u0bbf\u0b95\u0bb3\u0bc1\u0b9f\u0ba9\u0bcd <strong data-start=\"5448\" data-end=\"5478\">COF-01 \u0b86\u0bb2\u0bcd <a href=\"https:\/\/www.packqc.com\/ta\/\">\u0b9a\u0bc6\u0bb2\u0bcd \u0b95\u0bb0\u0bc1\u0bb5\u0bbf\u0b95\u0bb3\u0bcd<\/a><\/strong>, \u0ba4\u0bb0\u0bae\u0bbe\u0ba9 \u0ba8\u0bbf\u0baa\u0bc1\u0ba3\u0bb0\u0bcd\u0b95\u0bb3\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0b95\u0bb3\u0bc8 \u0ba8\u0bae\u0bcd\u0baa\u0bbf\u0b95\u0bcd\u0b95\u0bc8\u0baf\u0bc1\u0b9f\u0ba9\u0bcd \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bb5\u0bc1\u0bae\u0bcd, \u0bae\u0bc1\u0b9f\u0bbf\u0bb5\u0bc1\u0b95\u0bb3\u0bc8 \u0bb5\u0bbf\u0bb3\u0b95\u0bcd\u0b95\u0bb5\u0bc1\u0bae\u0bcd, \u0bae\u0bc7\u0bae\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bc8\u0b9a\u0bcd \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bb5\u0bc1\u0bae\u0bcd \u0bae\u0bc1\u0b9f\u0bbf\u0baf\u0bc1\u0bae\u0bcd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0ba8\u0bc0\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0b9a\u0bcb\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0ba4\u0bb1\u0bcd\u0b95\u0bc1 <strong data-start=\"5608\" data-end=\"5634\">\u0ba4\u0bbe\u0bb3\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1<\/strong>, <strong data-start=\"5636\" data-end=\"5655\">\u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1<\/strong>, <strong data-start=\"5657\" data-end=\"5679\">\u0b85\u0b9a\u0bcd\u0b9a\u0bbf\u0b9f\u0bc1\u0bae\u0bcd \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd COF<\/strong>, \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0ba8\u0b9f\u0ba4\u0bcd\u0ba4\u0bc1\u0ba4\u0bb2\u0bcd <strong data-start=\"5698\" data-end=\"5725\">\u0baa\u0bc2\u0b9a\u0bcd\u0b9a\u0bc1 \u0b87\u0bb2\u0bcd\u0bb2\u0bbe\u0ba4 \u0b95\u0bbe\u0b95\u0bbf\u0ba4 COF \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8<\/strong>, ASTM D4917-\u0b90\u0baa\u0bcd \u0baa\u0bc1\u0bb0\u0bbf\u0ba8\u0bcd\u0ba4\u0bc1\u0b95\u0bca\u0ba3\u0bcd\u0b9f\u0bc1 \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0ba4\u0bc1, \u0b89\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0bc1\u0b9f\u0bbf\u0bb5\u0bc1\u0b95\u0bb3\u0bcd \u0b85\u0bb0\u0bcd\u0ba4\u0bcd\u0ba4\u0bae\u0bc1\u0bb3\u0bcd\u0bb3\u0ba4\u0bbe\u0b95\u0bb5\u0bc1\u0bae\u0bcd, \u0bae\u0bc0\u0ba3\u0bcd\u0b9f\u0bc1\u0bae\u0bcd \u0b89\u0bb0\u0bc1\u0bb5\u0bbe\u0b95\u0bcd\u0b95\u0b95\u0bcd\u0b95\u0bc2\u0b9f\u0bbf\u0baf\u0ba4\u0bbe\u0b95\u0bb5\u0bc1\u0bae\u0bcd, \u0b89\u0bb2\u0b95\u0bb3\u0bbe\u0bb5\u0bbf\u0baf \u0ba4\u0bb0\u0b99\u0bcd\u0b95\u0bb3\u0bc1\u0b9f\u0ba9\u0bcd \u0b87\u0ba3\u0b95\u0bcd\u0b95\u0bae\u0bbe\u0b95\u0bb5\u0bc1\u0bae\u0bcd \u0b87\u0bb0\u0bc1\u0baa\u0bcd\u0baa\u0ba4\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0b85\u0b9f\u0bbf\u0b95\u0bcd\u0b95\u0b9f\u0bbf \u0b95\u0bc7\u0b9f\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0b95\u0bc7\u0bb3\u0bcd\u0bb5\u0bbf\u0b95\u0bb3\u0bcd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">1. ASTM D4917 \u0b8e\u0ba4\u0bc8 \u0b85\u0bb3\u0bb5\u0bbf\u0b9f\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1?<\/a><br>ASTM D4917, \u0b92\u0bb0\u0bc1 \u0b95\u0bbf\u0b9f\u0bc8\u0bae\u0b9f\u0bcd\u0b9f\u0ba4\u0bcd \u0ba4\u0bb3\u0bae\u0bcd \u0bae\u0bc1\u0bb1\u0bc8\u0baf\u0bc8\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bbf, \u0baa\u0bc2\u0b9a\u0bcd\u0b9a\u0bc1 \u0b87\u0bb2\u0bcd\u0bb2\u0bbe\u0ba4 \u0b8e\u0bb4\u0bc1\u0ba4\u0bc1\u0bae\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b85\u0b9a\u0bcd\u0b9a\u0bbf\u0b9f\u0bc1\u0bae\u0bcd \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bbe\u0bb0\u0bbe\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0bc8 \u0b85\u0bb3\u0bb5\u0bbf\u0b9f\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">2. \u0b95\u0bbe\u0b95\u0bbf\u0ba4\u0baa\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0b9f\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0b8f\u0ba9\u0bcd \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0bae\u0bbe\u0ba9\u0ba4\u0bc1?<\/a><br>\u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1, \u0b85\u0b9a\u0bcd\u0b9a\u0bc1\u0baa\u0bcd\u0baa\u0bca\u0bb1\u0bbf\u0b95\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba8\u0b95\u0bb2\u0bcd \u0b8e\u0b9f\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0ba8\u0bcd\u0ba4\u0bbf\u0bb0\u0b99\u0bcd\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0ba4\u0bc0\u0bb5\u0ba9 \u0ba8\u0bae\u0bcd\u0baa\u0b95\u0ba4\u0bcd\u0ba4\u0ba9\u0bcd\u0bae\u0bc8\u0baf\u0bc8\u0baa\u0bcd \u0baa\u0bbe\u0ba4\u0bbf\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1, \u0bae\u0bc7\u0bb2\u0bc1\u0bae\u0bcd \u0bae\u0bbe\u0bb1\u0bcd\u0bb1\u0bc1\u0ba4\u0bb2\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0baa\u0bc7\u0b95\u0bcd\u0b95\u0bc7\u0b9c\u0bbf\u0b99\u0bcd \u0b87\u0baf\u0ba8\u0bcd\u0ba4\u0bbf\u0bb0\u0b99\u0bcd\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0b9a\u0bb0\u0bbf\u0baf\u0bbe\u0ba9 \u0b95\u0bc8\u0baf\u0bbe\u0bb3\u0bc1\u0ba4\u0bb2\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">3. \u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 COF \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95 COF \u0b86\u0b95\u0bbf\u0baf\u0bb5\u0bc8 \u0b8e\u0bb5\u0bcd\u0bb5\u0bbe\u0bb1\u0bc1 \u0bb5\u0bc7\u0bb1\u0bc1\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9?<\/a><br>\u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0ba9 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bc1\u0ba3\u0b95\u0bae\u0bbe\u0ba9\u0ba4\u0bc1 \u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bc1 \u0baa\u0bb0\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0b9f\u0bc8\u0baf\u0bbf\u0bb2\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bc8\u0ba4\u0bcd \u0ba4\u0bca\u0b9f\u0b99\u0bcd\u0b95\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0baf\u0bbe\u0ba9 \u0bb5\u0bbf\u0b9a\u0bc8\u0baf\u0bc8 \u0b85\u0bb3\u0bb5\u0bbf\u0b9f\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1, \u0b85\u0ba4\u0bc7\u0b9a\u0bae\u0baf\u0bae\u0bcd \u0b87\u0baf\u0b95\u0bcd\u0b95 \u0b89\u0bb0\u0bbe\u0baf\u0bcd\u0bb5\u0bc1\u0b95\u0bcd \u0b95\u0bc1\u0ba3\u0b95\u0bae\u0bbe\u0ba9\u0ba4\u0bc1 \u0b85\u0ba8\u0bcd\u0ba4 \u0b87\u0baf\u0b95\u0bcd\u0b95\u0ba4\u0bcd\u0ba4\u0bc8\u0ba4\u0bcd \u0ba4\u0bca\u0b9f\u0bb0\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0baf\u0bbe\u0ba9 \u0bb5\u0bbf\u0b9a\u0bc8\u0baf\u0bc8 \u0b85\u0bb3\u0bb5\u0bbf\u0b9f\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a tabindex=\"0\">4. \u0bae\u0bc1\u0b9f\u0bbf\u0baf\u0bc1\u0bae\u0bbe <\/a><a href=\"https:\/\/store.astm.org\/d4917-97r07e01.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4917<\/a><a tabindex=\"0\"> \u0baa\u0bc2\u0b9a\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0b9a\u0bbf\u0bb1\u0baa\u0bcd\u0baa\u0bc1\u0ba4\u0bcd \u0ba4\u0bbe\u0bb3\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bbe?<\/a><br>\u0b87\u0ba4\u0bc1 \u0baa\u0bc2\u0b9a\u0bcd\u0b9a\u0bc1 \u0b87\u0bb2\u0bcd\u0bb2\u0bbe\u0ba4 \u0b8e\u0bb4\u0bc1\u0ba4\u0bc1\u0bae\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b85\u0b9a\u0bcd\u0b9a\u0bbf\u0b9f\u0bc1\u0bae\u0bcd \u0ba4\u0bbe\u0bb3\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bbe\u0b95 \u0bae\u0bc7\u0bae\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f\u0bbf\u0bb0\u0bc1\u0ba8\u0bcd\u0ba4\u0bbe\u0bb2\u0bc1\u0bae\u0bcd, ASTM D4917-\u0b90 \u0bae\u0bb1\u0bcd\u0bb1 \u0bb5\u0b95\u0bc8 \u0ba4\u0bbe\u0bb3\u0bcd\u0b95\u0bb3\u0bc1\u0b9f\u0ba9\u0bc1\u0bae\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bb2\u0bbe\u0bae\u0bcd, \u0b87\u0bb0\u0bc1\u0baa\u0bcd\u0baa\u0bbf\u0ba9\u0bc1\u0bae\u0bcd \u0bae\u0bc1\u0b9f\u0bbf\u0bb5\u0bc1\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0ba4\u0bcd\u0ba4\u0bbf\u0bb2\u0bcd \u0bae\u0bbe\u0bb1\u0bc1\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bcd \u0b87\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bb2\u0bbe\u0bae\u0bcd.<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding Coefficient of Friction in Paper Testing Coefficient of friction (COF) is a crucial parameter that reflects the resistance to motion between two surfaces. In paper applications, this value influences how one sheet slides over another. 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