{"id":9837,"date":"2026-02-24T15:11:44","date_gmt":"2026-02-24T07:11:44","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d3420-2\/"},"modified":"2026-04-16T09:53:06","modified_gmt":"2026-04-16T01:53:06","slug":"astm-d3420","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/ta\/standard\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ASTM D3420 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b85\u0ba4\u0ba9\u0bcd \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0bae\u0bcd<\/h2>\n\n\n\n<p>ASTM D3420 \u0b8e\u0ba9\u0bcd\u0baa\u0ba4\u0bc1 \u0ba4\u0bc0\u0bb0\u0bcd\u0bae\u0bbe\u0ba9\u0bbf\u0b95\u0bcd\u0b95\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0baa\u0bb0\u0bb5\u0bb2\u0bbe\u0b95 \u0b85\u0b99\u0bcd\u0b95\u0bc0\u0b95\u0bb0\u0bbf\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b92\u0bb0\u0bc1 \u0ba4\u0bb0\u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0b95\u0bc1\u0bae\u0bcd. <em data-start=\"507\" data-end=\"561\">\u0baa\u0bbf\u0bb3\u0bbe\u0bb8\u0bcd\u0b9f\u0bbf\u0b95\u0bcd \u0baa\u0b9f\u0bb2\u0baa\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0b9f\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0b8a\u0b9a\u0bb2\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0ba4\u0bb2\u0bcd \u0b8e\u0ba4\u0bbf\u0bb0\u0bcd\u0baa\u0bcd\u0baa\u0bc1<\/em>. \u0b87\u0ba4\u0bc1, \u0b95\u0bc1\u0bb1\u0bbf\u0baa\u0bcd\u0baa\u0bbe\u0b95 \u0baa\u0bc7\u0b95\u0bcd\u0b95\u0bc7\u0b9c\u0bbf\u0b99\u0bcd, \u0bae\u0bb0\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0bae\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba8\u0bc1\u0b95\u0bb0\u0bcd\u0bb5\u0bcb\u0bb0\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0b9f\u0bcd\u0b95\u0bb3\u0bcd \u0baa\u0bcb\u0ba9\u0bcd\u0bb1 \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bbe\u0b95, \u0b92\u0bb0\u0bc1 \u0baa\u0b9f\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0bb5\u0bb2\u0bbf\u0bae\u0bc8\u0baf\u0bc8 \u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bbf\u0b9f\u0bc1\u0bb5\u0ba4\u0bb1\u0bcd\u0b95\u0bc1 \u0b89\u0ba3\u0bcd\u0bae\u0bc8\u0baf\u0bbe\u0ba9 \u0b89\u0bb2\u0b95 \u0ba4\u0bbe\u0b95\u0bcd\u0b95 \u0ba8\u0bbf\u0bb2\u0bc8\u0bae\u0bc8\u0b95\u0bb3\u0bc8 \u0b89\u0bb0\u0bc1\u0bb5\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. \u0b87\u0ba8\u0bcd\u0ba4 \u0bb5\u0bb4\u0bbf\u0b95\u0bbe\u0b9f\u0bcd\u0b9f\u0bbf \u0b92\u0bb0\u0bc1 ... \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bbf \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bc8 \u0b8e\u0bb5\u0bcd\u0bb5\u0bbe\u0bb1\u0bc1 \u0ba8\u0b9f\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0ba4\u0bc1 \u0b8e\u0ba9\u0bcd\u0baa\u0ba4\u0bc8 \u0bb5\u0bbf\u0bb3\u0b95\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. <strong data-start=\"760\" data-end=\"791\">\u0ba4\u0bbf\u0bb0\u0bc8\u0baa\u0bcd\u0baa\u0b9f \u0b86\u0b9f\u0bc1\u0b9a\u0bb2\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bcd<\/strong>, \u0baa\u0bcb\u0ba9\u0bcd\u0bb1\u0bb5\u0bc8 <strong data-start=\"805\" data-end=\"838\">Cell Instruments \u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf <a href=\"https:\/\/www.packqc.com\/ta\/product-category\/pendulum-impact-tester\/\">\u0baa\u0bbf\u0b90\u0b9f\u0bbf-01<\/a><\/strong>, \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0baa\u0bb1\u0bcd\u0bb1\u0bbf\u0baf \u0b89\u0bb3\u0bcd\u0bb3\u0bc1\u0ba3\u0bb0\u0bcd\u0bb5\u0bc1\u0b95\u0bb3\u0bc8 \u0bb5\u0bb4\u0b99\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1 <strong data-start=\"871\" data-end=\"894\">\u0bb8\u0bcd\u0baa\u0bc6\u0ba9\u0bcd\u0b9a\u0bb0\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8<\/strong>, \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bcd, \u0b95\u0ba3\u0b95\u0bcd\u0b95\u0bc0\u0b9f\u0bc1\u0b95\u0bb3\u0bcd, \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b85\u0bb1\u0bbf\u0b95\u0bcd\u0b95\u0bc8 \u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bcd.<\/p>\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=\"\u0baa\u0bbf\u0bb3\u0bbe\u0bb8\u0bcd\u0b9f\u0bbf\u0b95\u0bcd \u0b83\u0baa\u0bbf\u0bb2\u0bbf\u0bae\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba4\u0bbe\u0bb3\u0bcd \u0b87\u0bae\u0bcd\u0baa\u0bbe\u0b95\u0bcd\u0b9f\u0bcd \u0b9f\u0bc6\u0bb8\u0bcd\u0b9f\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bbe\u0ba9 ASTM D3420 \u0baa\u0bc6\u0ba3\u0bcd\u0b9f\u0bc1\u0bb2\u0bae\u0bcd \u0b87\u0bae\u0bcd\u0baa\u0bbe\u0b95\u0bcd\u0b9f\u0bcd \u0b9f\u0bc6\u0bb8\u0bcd\u0b9f\u0bb0\u0bcd\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/vEx4esxMESw?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>\u0baa\u0bbf\u0bb3\u0bbe\u0bb8\u0bcd\u0b9f\u0bbf\u0b95\u0bcd \u0baa\u0b9f\u0bb2\u0b99\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0b95\u0b9f\u0bbf\u0ba9\u0ba4\u0bcd\u0ba4\u0ba9\u0bcd\u0bae\u0bc8 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba4\u0bb0\u0ba4\u0bcd\u0ba4\u0bc8 \u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bbf\u0b9f\u0bc1\u0bb5\u0ba4\u0bbf\u0bb2\u0bcd \u0b87\u0ba8\u0bcd\u0ba4 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bcd \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0bae\u0bbe\u0ba9\u0bb5\u0bc8, \u0bae\u0bc7\u0bb2\u0bc1\u0bae\u0bcd \u0b87\u0bb5\u0bc8 \u0baa\u0bc7\u0b95\u0bcd\u0b95\u0bc7\u0b9c\u0bbf\u0b99\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b89\u0ba3\u0bb5\u0bc1\u0baa\u0bcd \u0baa\u0bbe\u0ba4\u0bc1\u0b95\u0bbe\u0baa\u0bcd\u0baa\u0bc1 \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bcd \u0b89\u0b9f\u0bcd\u0baa\u0b9f \u0baa\u0bb2\u0bcd\u0bb5\u0bc7\u0bb1\u0bc1 \u0ba4\u0bca\u0bb4\u0bbf\u0bb2\u0bcd\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0baa\u0bb0\u0bb5\u0bb2\u0bbe\u0b95\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0baa\u0bbf\u0bb3\u0bbe\u0bb8\u0bcd\u0b9f\u0bbf\u0b95\u0bcd \u0baa\u0b9f\u0bb2\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0b8a\u0b9a\u0bb2\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0ba4\u0bb2\u0bcd \u0b8e\u0ba4\u0bbf\u0bb0\u0bcd\u0baa\u0bcd\u0baa\u0bc1: \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0bae\u0bc7\u0bb2\u0bcb\u0b9f\u0bcd\u0b9f\u0bae\u0bcd<\/h2>\n\n\n\n<p>\u0b87\u0ba8\u0bcd\u0ba4 \u0bae\u0bc1\u0bb1\u0bc8 \u0b85\u0bb3\u0bb5\u0bbf\u0b9f\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1 <strong data-start=\"1643\" data-end=\"1665\">\u0b86\u0bb1\u0bcd\u0bb1\u0bb2\u0bcd (\u0b9c\u0bc2\u0bb2\u0bcd\u0b95\u0bb3\u0bbf\u0bb2\u0bcd)<\/strong> \u0bb5\u0b9f\u0bcd\u0b9f \u0bb5\u0b9f\u0bbf\u0bb5 \u0b95\u0bbf\u0bb3\u0bbe\u0bae\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0b9f\u0bc8\u0baf\u0bbf\u0bb2\u0bcd \u0baa\u0bbf\u0b9f\u0bbf\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b92\u0bb0\u0bc1 \u0ba4\u0bbf\u0bb0\u0bc8\u0baa\u0bcd\u0baa\u0b9f \u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf\u0baf\u0bc8, \u0b85\u0bb0\u0bc8\u0b95\u0bcd\u0b95\u0bcb\u0bb3 \u0bb5\u0b9f\u0bbf\u0bb5 \u0b8a\u0b9a\u0bb2\u0bcd \u0ba4\u0bb2\u0bc8 \u0b89\u0b9f\u0bc8\u0baa\u0bcd\u0baa\u0ba4\u0bb1\u0bcd\u0b95\u0bc1\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0bb5\u0bbf\u0b9a\u0bc8. ASTM D3420 \u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bc1 \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bc8 \u0b89\u0bb3\u0bcd\u0bb3\u0b9f\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0ba4\u0bc1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1805\" data-end=\"1821\">\u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0bae\u0bc1\u0bb1\u0bc8 A:<\/strong> 60-\u0bae\u0bbf\u0bae\u0bc0 \u0ba4\u0bbf\u0bb1\u0baa\u0bcd\u0baa\u0bc1 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd 25.4-\u0bae\u0bbf\u0bae\u0bc0 \u0bb5\u0bbf\u0b9f\u0bcd\u0b9f\u0bae\u0bcd \u0b95\u0bca\u0ba3\u0bcd\u0b9f \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0ba4\u0bb2\u0bcd \u0ba4\u0bb2\u0bc8\u0baf\u0bc8\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/li>\n\n\n\n<li><strong data-start=\"1884\" data-end=\"1922\">\u0bae\u0bc1\u0bb1\u0bc8 B (\u0bb8\u0bcd\u0baa\u0bc6\u0ba9\u0bcd\u0b9a\u0bb0\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8):<\/strong> 89-\u0bae\u0bbf\u0bae\u0bc0 \u0ba4\u0bbf\u0bb1\u0ba9\u0bc8\u0baf\u0bc1\u0bae\u0bcd, 19-\u0bae\u0bbf\u0bae\u0bc0 \u0bb5\u0bbf\u0b9f\u0bcd\u0b9f\u0bae\u0bcd \u0b95\u0bca\u0ba3\u0bcd\u0b9f \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0ba4\u0bb2\u0bcd \u0ba4\u0bb2\u0bc8\u0baf\u0bc8\u0baf\u0bc1\u0bae\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/li>\n<\/ul>\n\n\n\n<p>\u0b87\u0bb0\u0ba3\u0bcd\u0b9f\u0bc1 \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bc1\u0bae\u0bcd \u0b92\u0bb0\u0bc1 \u0b85\u0bb3\u0bb5\u0bc0\u0b9f\u0bc1 \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f\u0ba4\u0bc8\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0b95\u0bbf\u0ba9\u0bcd\u0bb1\u0ba9 <strong data-start=\"2016\" data-end=\"2047\">\u0ba4\u0bbf\u0bb0\u0bc8\u0baa\u0bcd\u0baa\u0b9f \u0b86\u0b9f\u0bc1\u0b9a\u0bb2\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bcd<\/strong> \u0bae\u0bcb\u0ba4\u0bb2\u0bcd \u0b9a\u0bae\u0baf\u0ba4\u0bcd\u0ba4\u0bbf\u0bb2\u0bcd \u0baa\u0bb0\u0bbf\u0bae\u0bbe\u0bb1\u0bcd\u0bb1\u0bae\u0bcd \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b86\u0bb1\u0bcd\u0bb1\u0bb2\u0bc8 \u0b85\u0bb3\u0bb5\u0bbf\u0b9f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0baa\u0bbf\u0bb2\u0bbf\u0bae\u0bcd \u0baa\u0bc6\u0ba3\u0bcd\u0b9f\u0bc1\u0bb2\u0bae\u0bcd \u0b87\u0bae\u0bcd\u0baa\u0bbe\u0b95\u0bcd\u0b9f\u0bcd \u0b9f\u0bc6\u0bb8\u0bcd\u0b9f\u0bb0\u0bcd \u0b85\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bc1 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0bb5\u0bbf\u0bb5\u0bb0\u0b95\u0bcd\u0b95\u0bc1\u0bb1\u0bbf\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bcd<\/h2>\n\n\n\n<p>ASTM D3420-\u0b90 \u0ba4\u0bbf\u0bb1\u0bae\u0bcd\u0baa\u0b9f\u0b9a\u0bcd \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4, \u0ba4\u0bb0\u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbf\u0ba9\u0bcd \u0b95\u0bb0\u0bc1\u0bb5\u0bbf\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0bc2\u0bb0\u0bcd\u0ba4\u0bcd\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0bc1\u0bae\u0bcd, \u0b9a\u0bbe\u0ba9\u0bcd\u0bb1\u0bb3\u0bbf\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0baa\u0bc6\u0ba3\u0bcd\u0b9f\u0bc1\u0bb2\u0bae\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bc8\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bb5\u0bc1\u0bae\u0bcd. Cell Instruments\u2019 <strong data-start=\"2308\" data-end=\"2324\">\u0bae\u0bbe\u0b9f\u0bb2\u0bcd <a href=\"https:\/\/www.packqc.com\/ta\/product-category\/pendulum-impact-tester\/\">\u0baa\u0bbf\u0b90\u0b9f\u0bbf-01<\/a><\/strong> \u0ba4\u0bca\u0bb4\u0bbf\u0bb2\u0bcd\u0bae\u0bc1\u0bb1\u0bc8 \u0b86\u0baf\u0bcd\u0bb5\u0b95\u0b99\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b92\u0bb0\u0bc1 \u0b9a\u0bbf\u0bb1\u0ba8\u0bcd\u0ba4 \u0ba4\u0bc7\u0bb0\u0bcd\u0bb5\u0bbe\u0b95\u0bc1\u0bae\u0bcd, \u0b87\u0ba4\u0bc1 \u0baa\u0bbf\u0ba9\u0bcd\u0bb5\u0bb0\u0bc1\u0bb5\u0ba9\u0bb5\u0bb1\u0bcd\u0bb1\u0bc8 \u0bb5\u0bb4\u0b99\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0baa\u0bb2 \u0b86\u0bb1\u0bcd\u0bb1\u0bb2\u0bcd \u0bb5\u0bb0\u0bae\u0bcd\u0baa\u0bc1 \u0bb5\u0bbf\u0bb0\u0bc1\u0baa\u0bcd\u0baa\u0b99\u0bcd\u0b95\u0bb3\u0bcd (0.5 \u0bae\u0bc1\u0ba4\u0bb2\u0bcd 5.0 J \u0bb5\u0bb0\u0bc8)<\/li>\n\n\n\n<li>\u0b85\u0ba9\u0bb2\u0bbe\u0b95\u0bcd \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0b9f\u0bbf\u0b9c\u0bbf\u0b9f\u0bcd\u0b9f\u0bb2\u0bcd \u0b85\u0bb3\u0bb5\u0bc0\u0b9f\u0bc1\u0b95\u0bb3\u0bcd<\/li>\n\n\n\n<li>\u0bb5\u0bb4\u0bc1\u0b95\u0bcd\u0b95\u0bb2\u0bc8\u0ba4\u0bcd \u0ba4\u0b9f\u0bc1\u0b95\u0bcd\u0b95 \u0b93-\u0bb0\u0bbf\u0b99\u0bcd \u0b95\u0bbf\u0bb3\u0bbe\u0bae\u0bcd\u0baa\u0bcd \u0b85\u0bae\u0bc8\u0baa\u0bcd\u0baa\u0bc1<\/li>\n\n\n\n<li>\u0baa\u0bb2\u0bcd\u0bb5\u0bc7\u0bb1\u0bc1 \u0bb5\u0b95\u0bc8\u0baf\u0bbe\u0ba9 \u0b83\u0baa\u0bbf\u0bb2\u0bbf\u0bae\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bbe\u0ba9 \u0b9a\u0bb0\u0bbf\u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0b95\u0bcd\u0b95\u0bc2\u0b9f\u0bbf\u0baf \u0baa\u0bc6\u0ba3\u0bcd\u0b9f\u0bc1\u0bb2\u0bae\u0bcd \u0b8e\u0b9f\u0bc8\u0b95\u0bb3\u0bcd<\/li>\n<\/ul>\n\n\n\n<p>\u0b9a\u0bbf\u0bb1\u0ba8\u0bcd\u0ba4 \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0ba4\u0bcd\u0ba4\u0bbf\u0bb1\u0bcd\u0b95\u0bc1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0b89\u0baa\u0b95\u0bb0\u0ba3\u0ba4\u0bcd\u0ba4\u0bc8\u0b9a\u0bcd \u0b9a\u0bb0\u0bbf\u0baf\u0bbe\u0b95\u0b9a\u0bcd \u0b9a\u0bae\u0ba9\u0bcd \u0b9a\u0bc6\u0baf\u0bcd\u0bb5\u0ba4\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0bb5\u0bc1\u0bae\u0bcd.<\/li>\n\n\n\n<li>\u0b92\u0bb5\u0bcd\u0bb5\u0bca\u0bb0\u0bc1 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbf\u0ba9\u0bcd \u0bae\u0bc1\u0ba9\u0bcd\u0baa\u0bc1\u0bae\u0bcd, \u0b9f\u0baf\u0bb2\u0bcd \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0b9f\u0bbf\u0b9c\u0bbf\u0b9f\u0bcd\u0b9f\u0bb2\u0bcd \u0ba4\u0bb0\u0bbe\u0b9a\u0bc8 \u0baa\u0bc2\u0b9c\u0bcd\u0b9c\u0bbf\u0baf\u0bae\u0bbe\u0b95\u0bcd\u0b95\u0bb5\u0bc1\u0bae\u0bcd.<\/li>\n\n\n\n<li>\u0b92\u0bb5\u0bcd\u0bb5\u0bca\u0bb0\u0bc1\u0bb5\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0b85\u0bb3\u0bb5\u0bc1 \u0b9a\u0bb0\u0bbf\u0baa\u0bbe\u0bb0\u0bcd\u0baa\u0bcd\u0baa\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0b99\u0bcd\u0b95\u0bb3\u0bcd <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1922<\/a> \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0b89\u0bb1\u0bcd\u0baa\u0ba4\u0bcd\u0ba4\u0bbf\u0baf\u0bbe\u0bb3\u0bb0\u0bbf\u0ba9\u0bcd \u0bb5\u0bb4\u0bbf\u0b95\u0bbe\u0b9f\u0bcd\u0b9f\u0bc1\u0ba4\u0bb2\u0bcd.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0bae\u0bc1\u0b9f\u0bbf\u0bb5\u0bc1\u0b95\u0bb3\u0bc8 \u0b85\u0bb1\u0bbf\u0b95\u0bcd\u0b95\u0bc8 \u0b9a\u0bc6\u0baf\u0bcd\u0ba4\u0bb2\u0bcd<\/h2>\n\n\n\n<p>\u0b89\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0b85\u0bb1\u0bbf\u0b95\u0bcd\u0b95\u0bc8\u0baf\u0bbf\u0bb2\u0bcd \u0baa\u0bbf\u0ba9\u0bcd\u0bb5\u0bb0\u0bc1\u0bb5\u0ba9 \u0b85\u0b9f\u0b99\u0bcd\u0b95\u0bbf\u0baf\u0bbf\u0bb0\u0bc1\u0b95\u0bcd\u0b95 \u0bb5\u0bc7\u0ba3\u0bcd\u0b9f\u0bc1\u0bae\u0bcd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf \u0b85\u0b9f\u0bc8\u0baf\u0bbe\u0bb3\u0bae\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0ba8\u0bbf\u0bb2\u0bc8\u0bae\u0bc8\u0b95\u0bb3\u0bcd<\/li>\n\n\n\n<li>\u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0bae\u0bc1\u0bb1\u0bc8 (\u0b85 \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0b86)<\/li>\n\n\n\n<li>\u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0b8e\u0ba3\u0bcd\u0ba3\u0bbf\u0b95\u0bcd\u0b95\u0bc8<\/li>\n\n\n\n<li><strong data-start=\"3672\" data-end=\"3701\">\u0b9a\u0bb0\u0bbe\u0b9a\u0bb0\u0bbf \u0ba4\u0bbe\u0b95\u0bcd\u0b95 \u0b86\u0bb1\u0bcd\u0bb1\u0bb2\u0bcd (\u0b9c\u0bc2\u0bb2\u0bcd)<\/strong><\/li>\n\n\n\n<li>\u0b9a\u0bb0\u0bbe\u0b9a\u0bb0\u0bbf \u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf \u0ba4\u0b9f\u0bbf\u0bae\u0ba9\u0bcd<\/li>\n\n\n\n<li><strong data-start=\"3733\" data-end=\"3769\">\u0ba4\u0bb0 \u0bb5\u0bbf\u0bb2\u0b95\u0bb2\u0bcd (\u0ba4\u0bc7\u0bb5\u0bc8\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f\u0bbe\u0bb2\u0bcd)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u0b9a\u0bc1\u0bb1\u0bcd\u0bb1\u0bc1\u0b9a\u0bcd\u0b9a\u0bc2\u0bb4\u0bb2\u0bcd \u0ba4\u0bb0\u0bb5\u0bc1\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0ba4\u0bbf\u0bb5\u0bc1 \u0b9a\u0bc6\u0baf\u0bcd\u0ba4\u0bb2\u0bcd \u0baa\u0bcb\u0ba9\u0bcd\u0bb1 <strong data-start=\"3805\" data-end=\"3833\">\u0bb5\u0bc6\u0baa\u0bcd\u0baa\u0ba8\u0bbf\u0bb2\u0bc8 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b88\u0bb0\u0baa\u0bcd\u0baa\u0ba4\u0bae\u0bcd<\/strong> \u0bae\u0bc0\u0bb3\u0bcd\u0ba4\u0bbf\u0bb1\u0ba9\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0ba4\u0bc1 \u0bae\u0bbf\u0b95 \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0bae\u0bbe\u0ba9\u0ba4\u0bc1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0bb8\u0bcd\u0baa\u0bc6\u0ba9\u0bcd\u0b9a\u0bb0\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bc8 \u0ba8\u0b9f\u0ba4\u0bcd\u0ba4\u0bc1\u0ba4\u0bb2\u0bcd<\/h2>\n\n\n\n<p>\u0ba4\u0bbf <strong data-start=\"2790\" data-end=\"2813\">\u0bb8\u0bcd\u0baa\u0bc6\u0ba9\u0bcd\u0b9a\u0bb0\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8<\/strong> (\u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0bae\u0bc1\u0bb1\u0bc8 B) \u0baa\u0bca\u0ba4\u0bc1\u0bb5\u0bbe\u0b95 \u0ba4\u0b9f\u0bbf\u0bae\u0ba9\u0bbe\u0ba9 \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0ba8\u0bc0\u0b9f\u0bbf\u0ba4\u0bcd\u0ba4\u0bc1 \u0b89\u0bb4\u0bc8\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0baa\u0b9f\u0bb2\u0b99\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\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. \u0b87\u0ba4\u0bcb \u0b92\u0bb0\u0bc1 \u0b9a\u0bc1\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bae\u0bbe\u0ba9 \u0baa\u0b9f\u0bbf\u0baa\u0bcd\u0baa\u0b9f\u0bbf\u0baf\u0bbe\u0ba9 \u0bb5\u0bb4\u0bbf\u0bae\u0bc1\u0bb1\u0bc8:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"2913\" data-end=\"2936\">\u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf\u0b95\u0bb3\u0bc8 \u0ba8\u0bbf\u0bb2\u0bc8\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bb2\u0bcd<\/strong> 23 \u00b1 2\u00b0C \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd 50 \u00b1 10% RH-\u0b95\u0bcd\u0b95\u0bc1.<\/li>\n\n\n\n<li><strong data-start=\"2969\" data-end=\"2990\">\u0ba4\u0b9f\u0bbf\u0bae\u0ba9\u0bc8 \u0b85\u0bb3\u0bb5\u0bbf\u0b9f\u0bb5\u0bc1\u0bae\u0bcd<\/strong> \u0bae\u0bc8\u0b95\u0bcd\u0bb0\u0bcb\u0bae\u0bc0\u0b9f\u0bcd\u0b9f\u0bb0\u0bc8\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bbf\u0ba4\u0bcd \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0b95 (\u00b10.00025 \u0bae\u0bbf\u0bae\u0bc0).<\/li>\n\n\n\n<li><strong data-start=\"3038\" data-end=\"3055\">\u0bb5\u0bc6\u0b9f\u0bcd\u0b9f\u0bbf \u0b92\u0b9f\u0bcd\u0b9f\u0bc1<\/strong> 89-\u0bae\u0bbf\u0bae\u0bc0 \u0ba4\u0bbf\u0bb1\u0baa\u0bcd\u0baa\u0bc1 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b93-\u0bb0\u0bbf\u0b99\u0bcd \u0b95\u0bbf\u0bb3\u0bbe\u0bae\u0bcd\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bbf \u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf\u0b95\u0bb3\u0bcd.<\/li>\n\n\n\n<li><strong data-start=\"3111\" data-end=\"3132\">\u0ba4\u0bc2\u0b95\u0bcd\u0b95\u0bbf \u0bb5\u0bbf\u0b9f\u0bc1<\/strong> \u0ba4\u0bbe\u0bb3\u0bbf\u0b9f\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbf\u0bb2\u0bcd \u0b87\u0bb0\u0bc1\u0ba8\u0bcd\u0ba4\u0bc1 \u0b8a\u0b9a\u0bb2\u0bcd.<\/li>\n\n\n\n<li><strong data-start=\"3176\" data-end=\"3198\">\u0b95\u0bb5\u0ba9\u0bbf\u0ba4\u0bcd\u0ba4\u0bc1\u0baa\u0bcd \u0baa\u0ba4\u0bbf\u0bb5\u0bc1 \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0bb5\u0bc1\u0bae\u0bcd<\/strong> \u0ba4\u0bbf\u0bb0\u0bc8\u0baf\u0bc8 \u0b89\u0b9f\u0bc8\u0b95\u0bcd\u0b95 \u0b89\u0bb1\u0bbf\u0b9e\u0bcd\u0b9a\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b86\u0bb1\u0bcd\u0bb1\u0bb2\u0bcd.<\/li>\n\n\n\n<li><strong data-start=\"3243\" data-end=\"3281\">\u0b95\u0bc1\u0bb1\u0bc8\u0ba8\u0bcd\u0ba4\u0ba4\u0bc1 \u0b90\u0ba8\u0bcd\u0ba4\u0bc1 \u0bae\u0bbe\u0ba4\u0bbf\u0bb0\u0bbf\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0bae\u0bc0\u0ba3\u0bcd\u0b9f\u0bc1\u0bae\u0bcd \u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0bb5\u0bc1\u0bae\u0bcd.<\/strong> \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b9a\u0bb0\u0bbe\u0b9a\u0bb0\u0bbf\u0baf\u0bc8\u0b95\u0bcd \u0b95\u0ba3\u0b95\u0bcd\u0b95\u0bbf\u0b9f\u0bb5\u0bc1\u0bae\u0bcd.<\/li>\n<\/ol>\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=\"\u0baa\u0bbf\u0bb3\u0bbe\u0bb8\u0bcd\u0b9f\u0bbf\u0b95\u0bcd \u0b83\u0baa\u0bbf\u0bb2\u0bbf\u0bae\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba4\u0bbe\u0bb3\u0bcd \u0b87\u0bae\u0bcd\u0baa\u0bbe\u0b95\u0bcd\u0b9f\u0bcd \u0b9f\u0bc6\u0bb8\u0bcd\u0b9f\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bbe\u0ba9 ASTM D3420 \u0baa\u0bc6\u0ba3\u0bcd\u0b9f\u0bc1\u0bb2\u0bae\u0bcd \u0b87\u0bae\u0bcd\u0baa\u0bbe\u0b95\u0bcd\u0b9f\u0bcd \u0b9f\u0bc6\u0bb8\u0bcd\u0b9f\u0bb0\u0bcd\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/vEx4esxMESw?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><strong data-start=\"3310\" data-end=\"3356\">\u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0bae\u0bc1\u0bb1\u0bc8 B-\u0b95\u0bcd\u0b95\u0bbe\u0ba9 \u0ba4\u0bbe\u0b95\u0bcd\u0b95 \u0b86\u0bb1\u0bcd\u0bb1\u0bb2\u0bcd \u0b95\u0ba3\u0b95\u0bcd\u0b95\u0bc0\u0b9f\u0bc1:<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em data-start=\"3360\" data-end=\"3379\">E = (R \/ 100) \u00d7 C<\/em><br data-start=\"3379\" data-end=\"3382\">\u0b8e\u0b99\u0bcd\u0b95\u0bc7:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em style=\"font-size: 16px;\" data-start=\"3393\" data-end=\"3396\">E<\/em> \u0b9c\u0bcc\u0bb2\u0bcd\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0b86\u0bb1\u0bcd\u0bb1\u0bb2\u0bcd<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3420\" data-end=\"3423\">R<\/em> = \u0b85\u0bb3\u0bb5\u0bc1 \u0bb5\u0bbe\u0b9a\u0bbf\u0baa\u0bcd\u0baa\u0bc1 (0\u2013100)<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3452\" data-end=\"3455\">C<\/em> = \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bbe\u0bb3\u0bb0\u0bcd \u0ba4\u0bbf\u0bb1\u0ba9\u0bcd (\u0b8e.\u0b95\u0bbe., 0.17, 0.34, 0.67 J, \u0baa\u0bcb\u0ba9\u0bcd\u0bb1\u0bb5\u0bc8)<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u0b9a\u0bbf\u0bb1\u0ba8\u0bcd\u0ba4 \u0baa\u0bc6\u0ba3\u0bcd\u0b9f\u0bc1\u0bb2\u0bae\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0baa\u0bcd \u0baa\u0bb0\u0bbf\u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bc8\u0ba4\u0bcd \u0ba4\u0bc7\u0bb0\u0bcd\u0ba8\u0bcd\u0ba4\u0bc6\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bb2\u0bcd<\/h2>\n\n\n\n<p>\u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0b95\u0b9a\u0bcd \u0b9a\u0bcb\u0ba4\u0bbf\u0ba4\u0bcd\u0ba4\u0bb2\u0bcd <strong data-start=\"4573\" data-end=\"4619\">\u0baa\u0bbf\u0bb3\u0bbe\u0bb8\u0bcd\u0b9f\u0bbf\u0b95\u0bcd\u0ba4\u0bcd \u0ba4\u0b95\u0b9f\u0bcd\u0b9f\u0bbf\u0ba9\u0bcd \u0b8a\u0b9a\u0bb2\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0ba4\u0bb2\u0bcd \u0b8e\u0ba4\u0bbf\u0bb0\u0bcd\u0baa\u0bcd\u0baa\u0bc1<\/strong> \u0b9a\u0bb5\u0bbe\u0bb2\u0bbe\u0ba9 \u0b9a\u0bc2\u0bb4\u0bb2\u0bcd\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0bb3\u0bbf\u0ba9\u0bcd \u0b9a\u0bc6\u0baf\u0bb2\u0bcd\u0ba4\u0bbf\u0bb1\u0ba9\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0bb5\u0ba4\u0bb1\u0bcd\u0b95\u0bc1 ASTM D3420-\u0b90\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0ba4\u0bc1 \u0bae\u0bbf\u0b95\u0bb5\u0bc1\u0bae\u0bcd \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0bae\u0bbe\u0ba9\u0ba4\u0bc1. \u0b95\u0bcb\u0b9f\u0bbf\u0b9f\u0bcd\u0b9f\u0bc1\u0b95\u0bcd \u0b95\u0bbe\u0b9f\u0bcd\u0b9f\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0ba8\u0b9f\u0bc8\u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0bbf\u0ba9\u0bcd\u0baa\u0bb1\u0bcd\u0bb1\u0bbf, \u0baa\u0bcb\u0ba9\u0bcd\u0bb1 \u0b92\u0bb0\u0bc1 \u0ba8\u0bae\u0bcd\u0baa\u0b95\u0bae\u0bbe\u0ba9 \u0b95\u0bb0\u0bc1\u0bb5\u0bbf\u0baf\u0bc8\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bbf <strong data-start=\"4788\" data-end=\"4815\"><a href=\"https:\/\/www.packqc.com\/ta\/\">\u0b9a\u0bc6\u0bb2\u0bcd \u0b95\u0bb0\u0bc1\u0bb5\u0bbf\u0b95\u0bb3\u0bcd<\/a> \u0baa\u0bbf\u0b90\u0b9f\u0bbf-01<\/strong>, \u0b86\u0baf\u0bcd\u0bb5\u0b95\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b89\u0bb1\u0bcd\u0baa\u0ba4\u0bcd\u0ba4\u0bbf\u0baf\u0bbe\u0bb3\u0bb0\u0bcd\u0b95\u0bb3\u0bcd \u0b85\u0b9f\u0bc8\u0baf \u0bae\u0bc1\u0b9f\u0bbf\u0baf\u0bc1\u0bae\u0bcd <strong data-start=\"4852\" data-end=\"4908\">\u0bae\u0bc0\u0bb3\u0b95\u0bcd\u0b95\u0bc2\u0b9f\u0bbf\u0baf, \u0ba4\u0bc1\u0bb2\u0bcd\u0bb2\u0bbf\u0baf\u0bae\u0bbe\u0ba9 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba4\u0bb0\u0ba8\u0bbf\u0bb2\u0bc8\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0b87\u0ba3\u0b95\u0bcd\u0b95\u0bae\u0bbe\u0ba9 \u0bae\u0bc1\u0b9f\u0bbf\u0bb5\u0bc1\u0b95\u0bb3\u0bcd<\/strong>. \u0b87\u0ba4\u0bc1 \u0ba4\u0baf\u0bbe\u0bb0\u0bbf\u0baa\u0bcd\u0baa\u0bc1\u0baa\u0bcd \u0baa\u0bbe\u0ba4\u0bc1\u0b95\u0bbe\u0baa\u0bcd\u0baa\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf\u0b9a\u0bc6\u0baf\u0bcd\u0baf\u0bb5\u0bc1\u0bae\u0bcd, \u0baa\u0bc7\u0b95\u0bcd\u0b95\u0bc7\u0b9c\u0bbf\u0b99\u0bcd \u0ba8\u0bae\u0bcd\u0baa\u0b95\u0ba4\u0bcd\u0ba4\u0ba9\u0bcd\u0bae\u0bc8\u0baf\u0bc8 \u0bae\u0bc7\u0bae\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bb5\u0bc1\u0bae\u0bcd, \u0b9a\u0bb0\u0bcd\u0bb5\u0ba4\u0bc7\u0b9a\u0ba4\u0bcd \u0ba4\u0bb0\u0b99\u0bcd\u0b95\u0bb3\u0bc1\u0b9f\u0ba9\u0bcd \u0b87\u0ba3\u0b95\u0bcd\u0b95\u0bae\u0bbe\u0b95 \u0b87\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bb5\u0bc1\u0bae\u0bcd \u0b89\u0ba4\u0bb5\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\t\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 D3420 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0ba4\u0bcd \u0ba4\u0bc0\u0bb0\u0bcd\u0bb5\u0bc8\u0baa\u0bcd \u0baa\u0bc6\u0bb1\u0bc1\u0b99\u0bcd\u0b95\u0bb3\u0bcd\t\t\t\t<\/h2>\n\n\n\n<p>ASTM D3420 \u0baa\u0bc6\u0ba3\u0bcd\u0b9f\u0bc1\u0bb2\u0bae\u0bcd I-\u0b90\u0baa\u0bcd \u0baa\u0bc1\u0bb0\u0bbf\u0ba8\u0bcd\u0ba4\u0bc1\u0b95\u0bca\u0ba3\u0bcd\u0b9f\u0bc1 \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0ba4\u0bb2\u0bcd<strong data-start=\"4289\" data-end=\"4316\">\u0b87\u0bae\u0bcd\u0baa\u0bbe\u0b95\u0bcd\u0b9f\u0bcd \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0bae\u0bc1\u0bb1\u0bc8<\/strong> \u0b89\u0ba3\u0bcd\u0bae\u0bc8\u0baf\u0bbe\u0ba9 \u0b89\u0bb2\u0b95\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0baa\u0bbf\u0bb3\u0bbe\u0bb8\u0bcd\u0b9f\u0bbf\u0b95\u0bcd\u0ba4\u0bcd \u0ba4\u0b95\u0b9f\u0bc1\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0ba8\u0bae\u0bcd\u0baa\u0b95\u0ba4\u0bcd\u0ba4\u0ba9\u0bcd\u0bae\u0bc8 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0baa\u0bbe\u0ba4\u0bc1\u0b95\u0bbe\u0baa\u0bcd\u0baa\u0bc8 \u0b89\u0bb1\u0bc1\u0ba4\u0bbf \u0b9a\u0bc6\u0baf\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. \u0bb5\u0bb2\u0bc1\u0bb5\u0bbe\u0ba9 \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8 \u0ba8\u0b9f\u0bc8\u0bae\u0bc1\u0bb1\u0bc8\u0b95\u0bb3\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba8\u0bc1\u0b9f\u0bcd\u0baa\u0b99\u0bcd\u0b95\u0bb3\u0bc8\u0b95\u0bcd \u0b95\u0bca\u0ba3\u0bcd\u0b9f\u0bc1, \u0ba8\u0bbf\u0baa\u0bc1\u0ba3\u0bb0\u0bcd\u0b95\u0bb3\u0bcd \u0ba4\u0b95\u0b9f\u0bc1\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0ba4\u0bb2\u0bcd \u0b8e\u0ba4\u0bbf\u0bb0\u0bcd\u0baa\u0bcd\u0baa\u0bc8 \u0ba8\u0bae\u0bcd\u0baa\u0bbf\u0b95\u0bcd\u0b95\u0bc8\u0baf\u0bc1\u0b9f\u0ba9\u0bcd \u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bbf\u0b9f \u0bae\u0bc1\u0b9f\u0bbf\u0baf\u0bc1\u0bae\u0bcd, \u0b87\u0ba4\u0bc1 \u0ba4\u0baf\u0bbe\u0bb0\u0bbf\u0baa\u0bcd\u0baa\u0bc1 \u0bae\u0bc7\u0bae\u0bcd\u0baa\u0bbe\u0b9f\u0bcd\u0b9f\u0bc8 \u0b8a\u0b95\u0bcd\u0b95\u0bc1\u0bb5\u0bbf\u0b95\u0bcd\u0b95\u0bb5\u0bc1\u0bae\u0bcd \u0b89\u0baf\u0bb0\u0bcd\u0ba4\u0bb0\u0ba4\u0bcd \u0ba4\u0bb0\u0b99\u0bcd\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0bc7\u0ba3\u0bb5\u0bc1\u0bae\u0bcd \u0b89\u0ba4\u0bb5\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1.<\/p>\n\n\n\n<p>\u0b87\u0ba4\u0ba9\u0bcd \u0baa\u0bb1\u0bcd\u0bb1\u0bbf\u0baf \u0bae\u0bc7\u0bb2\u0bc1\u0bae\u0bcd \u0ba4\u0b95\u0bb5\u0bb2\u0bcd\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1 <strong data-start=\"4646\" data-end=\"4673\">Cell Instruments PIT-01<\/strong> \u0b85\u0bb2\u0bcd\u0bb2\u0ba4\u0bc1 \u0ba4\u0ba9\u0bbf\u0baa\u0bcd\u0baa\u0baf\u0ba9\u0bbe\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0ba4\u0bcd \u0ba4\u0bc7\u0bb5\u0bc8\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0bb1\u0bcd\u0bb1\u0bbf \u0bb5\u0bbf\u0bb5\u0bbe\u0ba4\u0bbf\u0b95\u0bcd\u0b95, \u0b87\u0ba9\u0bcd\u0bb1\u0bc7 \u0b8e\u0b99\u0bcd\u0b95\u0bb3\u0bcd \u0ba4\u0bca\u0bb4\u0bbf\u0bb2\u0bcd\u0ba8\u0bc1\u0b9f\u0bcd\u0baa\u0b95\u0bcd \u0b95\u0bc1\u0bb4\u0bc1\u0bb5\u0bc8\u0ba4\u0bcd \u0ba4\u0bca\u0b9f\u0bb0\u0bcd\u0baa\u0bc1 \u0b95\u0bca\u0bb3\u0bcd\u0bb3\u0bc1\u0b99\u0bcd\u0b95\u0bb3\u0bcd!<\/p>","protected":false},"excerpt":{"rendered":"<p>ASTM D3420 \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0b85\u0ba4\u0ba9\u0bcd \u0bae\u0bc1\u0b95\u0bcd\u0b95\u0bbf\u0baf\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0ba4\u0bcd\u0ba4\u0bc8\u0baa\u0bcd \u0baa\u0bc1\u0bb0\u0bbf\u0ba8\u0bcd\u0ba4\u0bc1\u0b95\u0bca\u0bb3\u0bcd\u0bb3\u0bc1\u0ba4\u0bb2\u0bcd  ASTM D3420 \u0b8e\u0ba9\u0bcd\u0baa\u0ba4\u0bc1 \u0baa\u0bbf\u0bb3\u0bbe\u0bb8\u0bcd\u0b9f\u0bbf\u0b95\u0bcd \u0b83\u0baa\u0bbf\u0bb2\u0bbf\u0bae\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0b9f\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0b8a\u0b9a\u0bb2\u0bcd \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0ba4\u0bb2\u0bcd \u0b8e\u0ba4\u0bbf\u0bb0\u0bcd\u0baa\u0bcd\u0baa\u0bc8\u0b95\u0bcd \u0b95\u0ba3\u0bcd\u0b9f\u0bb1\u0bbf\u0baf\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0baa\u0bcd\u0baa\u0b9f\u0bc1\u0bae\u0bcd \u0baa\u0bb0\u0bb5\u0bb2\u0bbe\u0b95 \u0b85\u0b99\u0bcd\u0b95\u0bc0\u0b95\u0bb0\u0bbf\u0b95\u0bcd\u0b95\u0baa\u0bcd\u0baa\u0b9f\u0bcd\u0b9f \u0b92\u0bb0\u0bc1 \u0ba4\u0bb0\u0ba8\u0bbf\u0bb2\u0bc8\u0baf\u0bbe\u0b95\u0bc1\u0bae\u0bcd. \u0b87\u0ba4\u0bc1, \u0b95\u0bc1\u0bb1\u0bbf\u0baa\u0bcd\u0baa\u0bbe\u0b95 \u0baa\u0bc7\u0b95\u0bcd\u0b95\u0bc7\u0b9c\u0bbf\u0b99\u0bcd, \u0bae\u0bb0\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0bae\u0bcd \u0bae\u0bb1\u0bcd\u0bb1\u0bc1\u0bae\u0bcd \u0ba8\u0bc1\u0b95\u0bb0\u0bcd\u0bb5\u0bcb\u0bb0\u0bcd \u0baa\u0bca\u0bb0\u0bc1\u0b9f\u0bcd\u0b95\u0bb3\u0bcd \u0baa\u0bcb\u0ba9\u0bcd\u0bb1 \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0bbe\u0b9f\u0bc1\u0b95\u0bb3\u0bbf\u0bb2\u0bcd \u0b92\u0bb0\u0bc1 \u0b83\u0baa\u0bbf\u0bb2\u0bbf\u0bae\u0bbf\u0ba9\u0bcd \u0bb5\u0bb2\u0bbf\u0bae\u0bc8\u0baf\u0bc8 \u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bbf\u0b9f\u0bc1\u0bb5\u0ba4\u0bb1\u0bcd\u0b95\u0bbe\u0b95, \u0ba8\u0bbf\u0b9c \u0b89\u0bb2\u0b95 \u0ba4\u0bbe\u0b95\u0bcd\u0b95\u0bc1\u0ba4\u0bb2\u0bcd \u0ba8\u0bbf\u0bb2\u0bc8\u0bae\u0bc8\u0b95\u0bb3\u0bc8\u0baa\u0bcd \u0baa\u0bbf\u0bb0\u0ba4\u0bbf\u0baa\u0bb2\u0bbf\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1. \u0b87\u0ba8\u0bcd\u0ba4 \u0bb5\u0bb4\u0bbf\u0b95\u0bbe\u0b9f\u0bcd\u0b9f\u0bbf, \u0b92\u0bb0\u0bc1 \u0b83\u0baa\u0bbf\u0bb2\u0bbf\u0bae\u0bcd \u0b8a\u0b9a\u0bb2\u0bc8\u0baa\u0bcd \u0baa\u0baf\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bbf \u0b9a\u0bcb\u0ba4\u0ba9\u0bc8\u0baf\u0bc8 \u0b8e\u0bb5\u0bcd\u0bb5\u0bbe\u0bb1\u0bc1 \u0ba8\u0b9f\u0ba4\u0bcd\u0ba4\u0bc1\u0bb5\u0ba4\u0bc1 \u0b8e\u0ba9\u0bcd\u0baa\u0ba4\u0bc8 \u0bb5\u0bbf\u0bb3\u0b95\u0bcd\u0b95\u0bc1\u0b95\u0bbf\u0bb1\u0ba4\u0bc1 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