{"id":9859,"date":"2026-02-24T15:11:45","date_gmt":"2026-02-24T07:11:45","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d4833\/"},"modified":"2026-04-16T09:53:06","modified_gmt":"2026-04-16T01:53:06","slug":"astm-d4833","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/el\/standard\/astm-d4833\/","title":{"rendered":"ASTM D4833"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03bf\u03c5 ASTM D4833<\/h2>\n\n\n\n<p>\u039f <strong data-start=\"1081\" data-end=\"1183\">ASTM D4833 \u03a4\u03c5\u03c0\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd<\/strong> \u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c5\u03c0\u03cc \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2. \u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03c5\u03c4\u03ae \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 <strong data-start=\"1336\" data-end=\"1351\">\u03c4\u03b9\u03bc\u03ae \u03b4\u03b5\u03af\u03ba\u03c4\u03b7<\/strong> \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf \u03c0\u03bf\u03bb\u03c5\u03b1\u03b9\u03b8\u03c5\u03bb\u03ad\u03bd\u03b9\u03bf (PE), \u03c4\u03bf \u03c0\u03bf\u03bb\u03c5\u03c0\u03c1\u03bf\u03c0\u03c5\u03bb\u03ad\u03bd\u03b9\u03bf (PP) \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c7\u03bb\u03c9\u03c1\u03b9\u03bf\u03cd\u03c7\u03bf \u03c0\u03bf\u03bb\u03c5\u03b2\u03b9\u03bd\u03cd\u03bb\u03b9\u03bf (PVC).<\/p>\n\n\n\n<p>\u03a3\u03b5 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03bf\u03bc\u03bf\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03b5\u03b4\u03af\u03bf\u03c5, \u03c4\u03bf ASTM D4833 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03b5\u03cd\u03b5\u03b9 \u03c9\u03c2 <em data-start=\"1620\" data-end=\"1632\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b4\u03b5\u03af\u03ba\u03c4\u03b7<\/em>-\u03b8\u03b5\u03c3\u03c0\u03af\u03b6\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03bf\u03bc\u03bf\u03b9\u03cc\u03bc\u03bf\u03c1\u03c6\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03b1\u03bd\u03c4\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac \u03c4\u03c9\u03bd \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b6\u03c9\u03ae. \u03a0\u03b1\u03c1\u03cc\u03bb\u03b1 \u03b1\u03c5\u03c4\u03ac, \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf\u03c2 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2, \u03c4\u03b7\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2<\/h2>\n\n\n\n<p>\u039f <strong data-start=\"1881\" data-end=\"1910\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2<\/strong> \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ASTM D4833 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03cd\u03c3\u03c6\u03b9\u03be\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf\u03c5 \u03b4\u03bf\u03ba\u03b9\u03bc\u03af\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03ba\u03c5\u03ba\u03bb\u03b9\u03ba\u03ce\u03bd \u03c0\u03bb\u03b1\u03ba\u03ce\u03bd, \u03b1\u03c6\u03ae\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03c7\u03c9\u03c1\u03af\u03c2 \u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03b7. A <strong data-start=\"2029\" data-end=\"2048\">\u03c3\u03c4\u03b5\u03c1\u03b5\u03ae \u03c7\u03b1\u03bb\u03cd\u03b2\u03b4\u03b9\u03bd\u03b7 \u03c1\u03ac\u03b2\u03b4\u03bf\u03c2<\/strong>-\u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b5 \u03b7\u03bc\u03b9\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03cc \u03ac\u03ba\u03c1\u03bf \u03b4\u03b9\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 8 mm (0,32 in.) - \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03bf\u03b4\u03b7\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03c4\u03b7 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7 \u03bc\u03b5 \u03ad\u03bd\u03b1 <strong data-start=\"2163\" data-end=\"2190\">\u03bc\u03b7\u03c7\u03b1\u03bd\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b5\u03c6\u03b5\u03bb\u03ba\u03c5\u03c3\u03bc\u03bf\u03cd<\/strong> \u03bc\u03b5 \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c1\u03c5\u03b8\u03bc\u03cc <strong data-start=\"2215\" data-end=\"2253\">300 \u00b1 10 mm\/min (12 \u00b1 0,5 in.\/min)<\/strong>.<\/p>\n\n\n\n<p>\u039f <strong data-start=\"2262\" data-end=\"2303\">\u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c6\u03b7\u03ba\u03b5 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7<\/strong> \u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7. \u0393\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b5\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b5\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03cd\u03bd\u03b7\u03b8\u03b5\u03c2 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b9\u03b1 <strong data-start=\"2396\" data-end=\"2411\">\u03b4\u03b9\u03c0\u03bb\u03ae \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae<\/strong> \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2- \u03b7 <strong data-start=\"2436\" data-end=\"2450\">\u03c0\u03c1\u03ce\u03c4\u03b7 \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae<\/strong> \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03b5\u03b9 \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1\u03c2.<\/p>\n\n\n\n<p>\u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03c5\u03b8\u03c5\u03b3\u03c1\u03ac\u03bc\u03bc\u03b9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03bf\u03bc\u03bf\u03b9\u03cc\u03bc\u03bf\u03c1\u03c6\u03b7 \u03c3\u03cd\u03c3\u03c6\u03b9\u03be\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c6\u03b1\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03c9\u03bd \u03ac\u03ba\u03c1\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ce\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd. \u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf, \u03b7 \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03ad\u03bb\u03b8\u03b5\u03b9 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd <strong data-start=\"2694\" data-end=\"2748\">10% \u03ba\u03b1\u03b9 90% \u03c4\u03bf\u03c5 \u03b5\u03cd\u03c1\u03bf\u03c5\u03c2 \u03c6\u03bf\u03c1\u03c4\u03af\u03bf\u03c5 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7<\/h2>\n\n\n\n<p>\u039f <strong data-start=\"2823\" data-end=\"2863\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7<\/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\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03bc\u03b9\u03b1 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03be\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03bf\u03c0\u03b9\u03ba\u03ad\u03c2 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc <strong data-start=\"2951\" data-end=\"2994\">\u03b2\u03c1\u03ac\u03c7\u03bf\u03c5\u03c2, \u03c1\u03af\u03b6\u03b5\u03c2 \u03ae \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd<\/strong> \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1. \u0397 \u03c5\u03c8\u03b7\u03bb\u03ae \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b5\u03c0\u03b5\u03bd\u03b4\u03cd\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c4\u03b1 \u03c6\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03ac\u03b8\u03b9\u03ba\u03c4\u03b1 \u03c5\u03c0\u03cc \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7, \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b4\u03b9\u03b1\u03c1\u03c1\u03bf\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae \u03bc\u03cc\u03bb\u03c5\u03bd\u03c3\u03b7.<\/p>\n\n\n\n<p>\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03c5\u03c4\u03ae \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03b5\u03cd\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c9\u03c2 <strong data-start=\"3204\" data-end=\"3228\">\u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c0\u03bf\u03b9\u03bf\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5<\/strong> \u03c4\u03cc\u03c3\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03c9\u03bd \u03c0\u03c1\u03ce\u03c4\u03c9\u03bd \u03c5\u03bb\u03ce\u03bd \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c4\u03b5\u03bb\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd. \u039c\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b9\u03ad\u03c1\u03c9\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03ce\u03b3\u03b9\u03bc\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf\u03c5 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2, \u03c4\u03bf ASTM D4833 \u03b2\u03bf\u03b7\u03b8\u03ac \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2, \u03bd\u03b1 \u03c0\u03bb\u03b7\u03c1\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1 \u03b4\u03b9\u03b5\u03b8\u03bd\u03ae \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03c3\u03c4\u03b7\u03bd \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c6\u03ad\u03bb\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/h2>\n\n\n\n<p>\u039f <strong data-start=\"3580\" data-end=\"3618\">\u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7<\/strong> \u03c9\u03c6\u03b5\u03bb\u03b5\u03af \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ad\u03c2 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03af\u03b5\u03c2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3654\" data-end=\"3684\">\u03a0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae:<\/strong> \u03b5\u03c0\u03b5\u03bd\u03b4\u03cd\u03c3\u03b5\u03b9\u03c2 \u03c7\u03ce\u03c1\u03c9\u03bd \u03c5\u03b3\u03b5\u03b9\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b1\u03c6\u03ae\u03c2, \u03bb\u03af\u03bc\u03bd\u03b5\u03c2 \u03c3\u03c4\u03c1\u03b1\u03b3\u03b3\u03b9\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03b1\u03c0\u03bf\u03b2\u03bb\u03ae\u03c4\u03c9\u03bd.<\/li>\n\n\n\n<li><strong data-start=\"3753\" data-end=\"3775\">\u039f\u03c1\u03c5\u03c7\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1:<\/strong> \u03bb\u03af\u03bc\u03bd\u03b5\u03c2 \u03b1\u03c0\u03cc\u03b8\u03b5\u03c3\u03b7\u03c2, \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2 \u03ad\u03ba\u03c0\u03bb\u03c5\u03c3\u03b7\u03c2 \u03c3\u03c9\u03c1\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c6\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03c0\u03b5\u03c4\u03c1\u03b5\u03bb\u03b1\u03af\u03bf\u03c5.<\/li>\n\n\n\n<li><strong data-start=\"3842\" data-end=\"3863\">\u0394\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03bd\u03b5\u03c1\u03bf\u03cd:<\/strong> \u03c4\u03b1\u03bc\u03b9\u03b5\u03c5\u03c4\u03ae\u03c1\u03b5\u03c2, \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03bb\u03af\u03bc\u03bd\u03b5\u03c2 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03bb\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd.<\/li>\n<\/ul>\n\n\n\n<p>\u039c\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd ASTM D4833, \u03bf\u03b9 \u03bf\u03c1\u03b3\u03b1\u03bd\u03b9\u03c3\u03bc\u03bf\u03af \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0395\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\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 \u03bf\u03bc\u03bf\u03b9\u03bf\u03bc\u03bf\u03c1\u03c6\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd.<\/li>\n\n\n\n<li>\u039c\u03b5\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c1\u03c1\u03bf\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2.<\/li>\n\n\n\n<li>\u0392\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd \u03b3\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03ad\u03c1\u03b3\u03c9\u03bd.<\/li>\n\n\n\n<li>\u0395\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c3\u03c9\u03c3\u03c4\u03bf\u03cd \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ae \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd<\/h2>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03c4\u03b5\u03c5\u03be\u03b7 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03c9\u03bd <strong data-start=\"4301\" data-end=\"4346\">\u03b4\u03b5\u03af\u03ba\u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7<\/strong>, \u03bf \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf\u03c2. <strong data-start=\"4388\" data-end=\"4408\">\u039a\u03c5\u03c4\u03c4\u03b1\u03c1\u03b9\u03ba\u03ac \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1<\/strong> \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03b1 <strong data-start=\"4427\" data-end=\"4457\"><a href=\"https:\/\/www.packqc.com\/el\/products\/sale-packaging-tensile-strength-tester-film\/\">\u03bc\u03b7\u03c7\u03b1\u03bd\u03ad\u03c2 \u03ba\u03b1\u03b8\u03bf\u03bb\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/a><\/strong> \u03ba\u03b1\u03b9 \u03b5\u03be\u03b1\u03c4\u03bf\u03bc\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03b1 \u03b5\u03be\u03b1\u03c1\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 <strong data-start=\"4504\" data-end=\"4518\">ASTM D4833<\/strong> \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2. \u03a4\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03ac \u03bc\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd <strong data-start=\"4551\" data-end=\"4588\">\u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2<\/strong>, <strong data-start=\"4590\" data-end=\"4614\">\u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2<\/strong>, \u03ba\u03b1\u03b9 <strong data-start=\"4620\" data-end=\"4648\">\u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae \u03b1\u03c0\u03cc\u03ba\u03c4\u03b7\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/strong>, \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2.<\/p>\n\n\n\n<p>\u03a4\u03bf Cell Instruments \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 <strong data-start=\"4767\" data-end=\"4795\">\u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd<\/strong> \u03ba\u03b1\u03b9 <strong data-start=\"4800\" data-end=\"4824\">\u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7\u03c2<\/strong>, \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03b4\u03b9\u03ce\u03ba\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c4\u03b7\u03bd \u03b9\u03c7\u03bd\u03b7\u03bb\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\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 D4833 <\/h2>\n\n\n\n<p>\u039f <strong data-start=\"4944\" data-end=\"4984\"><a href=\"https:\/\/www.astm.org\/d4833_d4833m-07r20.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D4833<\/a> \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2<\/strong> \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ac \u03ad\u03c1\u03b3\u03b1. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c4\u03c5\u03c0\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03bf\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03af \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03cc \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c3\u03b9\u03b3\u03bf\u03c5\u03c1\u03b9\u03ac \u03c4\u03b7\u03bd \u03b9\u03ba\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ad\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7, \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03bc\u03b1\u03ba\u03c1\u03bf\u03b6\u03c9\u03af\u03b1 \u03c3\u03b5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c0\u03bf\u03c5 \u03c0\u03bb\u03b7\u03c1\u03bf\u03cd\u03bd \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03b9\u03b5\u03b8\u03bd\u03ae \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1, <strong data-start=\"5432\" data-end=\"5452\">\u039a\u03c5\u03c4\u03c4\u03b1\u03c1\u03b9\u03ba\u03ac \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1<\/strong> \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b5\u03be\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03b7 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03c5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03b7 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03c4\u03c9\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c3\u03b1\u03c2.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03bf\u03c5 ASTM D4833 \u0397 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 ASTM D4833 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd \u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03ac\u03bd\u03b7\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c5\u03c0\u03cc \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2. \u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03c5\u03c4\u03ae \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c4\u03c1\u03b7\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03b3\u03b5\u03c9\u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd [...]<\/p>","protected":false},"featured_media":7972,"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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