{"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\/el\/standard\/astm-d3420\/","title":{"rendered":"ASTM D3420"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 ASTM D3420 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5<\/h2>\n\n\n\n<p>\u03a4\u03bf ASTM D3420 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 <em data-start=\"507\" data-end=\"561\">\u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd \u03c4\u03b1\u03b9\u03bd\u03b9\u03ce\u03bd<\/em>. \u03a0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03c1\u03cc\u03c3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2, \u03b9\u03b4\u03af\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1, \u03c4\u03b7\u03bd \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03b9\u03ba\u03ac \u03b1\u03b3\u03b1\u03b8\u03ac. \u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b5\u03be\u03b7\u03b3\u03b5\u03af \u03c0\u03ce\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03be\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 <strong data-start=\"760\" data-end=\"791\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b1\u03c2<\/strong>, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf <strong data-start=\"805\" data-end=\"838\">\u039c\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf Cell Instruments <a href=\"https:\/\/www.packqc.com\/el\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong>, \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd <strong data-start=\"871\" data-end=\"894\">\u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c0\u03c1\u03cc\u03c3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7\u03c2 Spencer<\/strong>, \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03af \u03ba\u03b1\u03b9 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2.<\/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=\"ASTM D3420 \u0394\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b5\u03c2 \u03a6\u03cd\u03bb\u03bb\u03b1 Impact Tester\" 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>\u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c5\u03b9\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03af\u03b5\u03c2, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03c9\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ce\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c1\u03bf\u03c6\u03af\u03bc\u03c9\u03bd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0391\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2: \u0395\u03c0\u03b9\u03c3\u03ba\u03cc\u03c0\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/h2>\n\n\n\n<p>\u0397 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b1\u03c5\u03c4\u03ae \u03bc\u03b5\u03c4\u03c1\u03ac\u03b5\u03b9 \u03c4\u03bf <strong data-start=\"1643\" data-end=\"1665\">\u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 (\u03c3\u03b5 \u03c4\u03b6\u03ac\u03bf\u03c5\u03bb)<\/strong> \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c1\u03c1\u03ae\u03be\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b7\u03bc\u03b9\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03ba\u03b5\u03c6\u03b1\u03bb\u03ae \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03ad\u03bd\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c6\u03b9\u03bb\u03bc \u03c0\u03bf\u03c5 \u03c3\u03c5\u03b3\u03ba\u03c1\u03b1\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03ba\u03c5\u03ba\u03bb\u03b9\u03ba\u03ce\u03bd \u03c3\u03c6\u03b9\u03b3\u03ba\u03c4\u03ae\u03c1\u03c9\u03bd. \u03a4\u03bf ASTM D3420 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03b4\u03cd\u03bf \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1805\" data-end=\"1821\">\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u0391:<\/strong> \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03ac\u03bd\u03bf\u03b9\u03b3\u03bc\u03b1 60 mm \u03ba\u03b1\u03b9 \u03ba\u03b5\u03c6\u03b1\u03bb\u03ae \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b4\u03b9\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 25,4 mm.<\/li>\n\n\n\n<li><strong data-start=\"1884\" data-end=\"1922\">\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u0392 (\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 Spencer):<\/strong> \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03ac\u03bd\u03bf\u03b9\u03b3\u03bc\u03b1 89 mm \u03ba\u03b1\u03b9 \u03ba\u03b5\u03c6\u03b1\u03bb\u03ae \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b4\u03b9\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 19 mm.<\/li>\n<\/ul>\n\n\n\n<p>\u039a\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03b2\u03b1\u03b8\u03bc\u03bf\u03bd\u03bf\u03bc\u03b7\u03bc\u03ad\u03bd\u03bf <strong data-start=\"2016\" data-end=\"2047\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b1\u03c2<\/strong> \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03c1\u03cc\u03c3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a1\u03cd\u03b8\u03bc\u03b9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b1\u03c2<\/h2>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03b5\u03c4\u03b5 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf ASTM D3420, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c0\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03bf\u03c5 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2. Cell Instruments\u2019 <strong data-start=\"2308\" data-end=\"2324\">\u039c\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf <a href=\"https:\/\/www.packqc.com\/el\/product-category\/pendulum-impact-tester\/\">PIT-01<\/a><\/strong> \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1, \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03c2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ad\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03b5\u03bd\u03b5\u03c1\u03b3\u03b5\u03b9\u03b1\u03ba\u03bf\u03cd \u03b5\u03cd\u03c1\u03bf\u03c5\u03c2 (0,5 \u03ad\u03c9\u03c2 5,0 J)<\/li>\n\n\n\n<li>\u0391\u03bd\u03b1\u03bb\u03bf\u03b3\u03b9\u03ba\u03ad\u03c2 \u03ae \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ad\u03c2 \u03b5\u03bd\u03b4\u03b5\u03af\u03be\u03b5\u03b9\u03c2<\/li>\n\n\n\n<li>\u03a3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c3\u03cd\u03c3\u03c6\u03b9\u03be\u03b7\u03c2 \u03bc\u03b5 \u03b4\u03b1\u03ba\u03c4\u03cd\u03bb\u03b9\u03bf O \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2<\/li>\n\n\n\n<li>\u03a1\u03c5\u03b8\u03bc\u03b9\u03b6\u03cc\u03bc\u03b5\u03bd\u03b1 \u03b2\u03ac\u03c1\u03b7 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03c4\u03b1\u03b9\u03bd\u03b9\u03ce\u03bd<\/li>\n<\/ul>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03b2\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03b7 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b9\u03c3\u03bf\u03c0\u03ad\u03b4\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd.<\/li>\n\n\n\n<li>\u039c\u03b7\u03b4\u03b5\u03bd\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03b1 \u03ae \u03c4\u03b7\u03bd \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03ba\u03ac\u03b8\u03b5 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7 \u03b1\u03bd\u03ac <a href=\"https:\/\/store.astm.org\/d3420-21.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D1922<\/a> \u03ae \u03c4\u03b9\u03c2 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/h2>\n\n\n\n<p>\u0397 \u03ad\u03ba\u03b8\u03b5\u03c3\u03ae \u03c3\u03b1\u03c2 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/li>\n\n\n\n<li>\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 (\u0391 \u03ae \u0392)<\/li>\n\n\n\n<li>\u0391\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03b8\u03ad\u03bd\u03c4\u03c9\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd<\/li>\n\n\n\n<li><strong data-start=\"3672\" data-end=\"3701\">\u039c\u03ad\u03c3\u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 (J)<\/strong><\/li>\n\n\n\n<li>\u039c\u03ad\u03c3\u03bf \u03c0\u03ac\u03c7\u03bf\u03c2 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2<\/li>\n\n\n\n<li><strong data-start=\"3733\" data-end=\"3769\">\u03a4\u03c5\u03c0\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc\u03ba\u03bb\u03b9\u03c3\u03b7 (\u03b5\u03ac\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ce\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03cc\u03c0\u03c9\u03c2 <strong data-start=\"3805\" data-end=\"3833\">\u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1<\/strong> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0394\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7\u03c2 Spencer<\/h2>\n\n\n\n<p>\u039f <strong data-start=\"2790\" data-end=\"2813\">\u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c0\u03c1\u03cc\u03c3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7\u03c2 Spencer<\/strong> (\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u0392) \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03ae \u03c0\u03b9\u03bf \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b5\u03c2. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03c3\u03cd\u03bd\u03c4\u03bf\u03bc\u03bf \u03b2\u03ae\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03b2\u03ae\u03bc\u03b1:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong data-start=\"2913\" data-end=\"2936\">\u0394\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2<\/strong> \u03c3\u03c4\u03bf\u03c5\u03c2 23 \u00b1 2\u00b0C \u03ba\u03b1\u03b9 50 \u00b1 10% RH.<\/li>\n\n\n\n<li><strong data-start=\"2969\" data-end=\"2990\">\u039c\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c0\u03ac\u03c7\u03bf\u03c5\u03c2<\/strong> \u03bc\u03b5 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03bc\u03b9\u03ba\u03c1\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf (\u00b10,00025 mm).<\/li>\n\n\n\n<li><strong data-start=\"3038\" data-end=\"3055\">\u039a\u03cc\u03c8\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03c4\u03b5<\/strong> \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ac\u03bd\u03bf\u03b9\u03b3\u03bc\u03b1 89 mm \u03ba\u03b1\u03b9 \u03c3\u03c6\u03b9\u03b3\u03ba\u03c4\u03ae\u03c1\u03b1 \u03b4\u03b1\u03ba\u03c4\u03c5\u03bb\u03af\u03bf\u03c5 \u039f.<\/li>\n\n\n\n<li><strong data-start=\"3111\" data-end=\"3132\">\u0391\u03bd\u03c5\u03c8\u03ce\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b5\u03bb\u03b5\u03c5\u03b8\u03b5\u03c1\u03ce\u03c3\u03c4\u03b5<\/strong> \u03c4\u03bf \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7\u03c2.<\/li>\n\n\n\n<li><strong data-start=\"3176\" data-end=\"3198\">\u03a0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5<\/strong> \u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03c1\u03c1\u03bf\u03c6\u03ac\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03c1\u03b7\u03be\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2.<\/li>\n\n\n\n<li><strong data-start=\"3243\" data-end=\"3281\">\u0395\u03c0\u03b1\u03bd\u03b1\u03bb\u03ac\u03b2\u03b5\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd \u03c0\u03ad\u03bd\u03c4\u03b5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1<\/strong> \u03ba\u03b1\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03c3\u03bf \u03cc\u03c1\u03bf.<\/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=\"ASTM D3420 \u0394\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b5\u03c2 \u03a6\u03cd\u03bb\u03bb\u03b1 Impact Tester\" 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\">\u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c0\u03c1\u03cc\u03c3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u0392:<\/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\">\u03a0\u03bf\u03cd:<\/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> = \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c3\u03b5 \u03c4\u03b6\u03ac\u03bf\u03c5\u03bb<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3420\" data-end=\"3423\">R<\/em> = \u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2 (0-100)<\/li>\n\n\n\n<li><em style=\"font-size: 16px;\" data-start=\"3452\" data-end=\"3455\">C<\/em> = \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae (\u03c0.\u03c7. 0,17, 0,34, 0,67 J \u03ba.\u03bb\u03c0.)<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u0395\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ae \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2<\/h2>\n\n\n\n<p>\u0391\u03ba\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae <strong data-start=\"4573\" data-end=\"4619\">\u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2<\/strong> \u03bc\u03b5 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03bf\u03c5 ASTM D3420 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03c3\u03b5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b7\u03c4\u03b9\u03ba\u03ac \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03b1\u03c6\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf \u03cc\u03c1\u03b3\u03b1\u03bd\u03bf \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf <strong data-start=\"4788\" data-end=\"4815\"><a href=\"https:\/\/www.packqc.com\/el\/\">\u039a\u03c5\u03c4\u03c4\u03b1\u03c1\u03b9\u03ba\u03ac \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1<\/a> PIT-01<\/strong>, \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c4\u03cd\u03c7\u03bf\u03c5\u03bd <strong data-start=\"4852\" data-end=\"4908\">\u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b1, \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03b2\u03b1\u03c4\u03ac \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1<\/strong>. \u0391\u03c5\u03c4\u03cc \u03c3\u03c5\u03bc\u03b2\u03ac\u03bb\u03bb\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd, \u03c3\u03c4\u03b7\u03bd \u03b5\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03b4\u03b9\u03b5\u03b8\u03bd\u03ae \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\t\u0395\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03ae\u03c3\u03c4\u03b5 \u03bc\u03b1\u03b6\u03af \u03bc\u03b1\u03c2 \u039b\u03cd\u03c3\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ASTM D3420\t\t\t\t<\/h2>\n\n\n\n<p>\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 ASTM D3420 Pendulum I<strong data-start=\"4289\" data-end=\"4316\">\u039c\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/strong> \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03c4\u03c9\u03bd \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03c3\u03b5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2. \u039c\u03b5 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ad\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03b9\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd, \u03bf\u03b9 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03af\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c3\u03b9\u03b3\u03bf\u03c5\u03c1\u03b9\u03ac \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c4\u03c9\u03bd \u03c4\u03b1\u03b9\u03bd\u03b9\u03ce\u03bd \u03c3\u03b5 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7, \u03c3\u03c5\u03bc\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03c9\u03bd \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf <strong data-start=\"4646\" data-end=\"4673\">Cell Instruments PIT-01<\/strong> \u03ae \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c5\u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03b5\u03be\u03b1\u03c4\u03bf\u03bc\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd, \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03ae\u03c3\u03c4\u03b5 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03bc\u03b1\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1!<\/p>","protected":false},"excerpt":{"rendered":"<p>\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 ASTM D3420 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03a4\u03bf ASTM D3420 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae\u03c2 \u03c3\u03b5 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2 \u03c4\u03c9\u03bd \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd. \u03a0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2, \u03b9\u03b4\u03af\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1, \u03c4\u03b7\u03bd \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03c9\u03c4\u03b9\u03ba\u03ac \u03b1\u03b3\u03b1\u03b8\u03ac. \u0391\u03c5\u03c4\u03cc\u03c2 \u03bf \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b5\u03be\u03b7\u03b3\u03b5\u03af \u03c0\u03ce\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03be\u03ac\u03b3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03ad\u03c2 \u03c6\u03b9\u03bb\u03bc [...]<\/p>","protected":false},"featured_media":10016,"parent":0,"template":"","meta":{"_acf_changed":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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