{"id":121,"count":4,"description":"<div class=\"mt-1\">\r\n<h2 class=\"astm-type-heading--h3 mb-0 mt-0\"><b class=\"name\">\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\u03bc\u03b7\u03c3\u03b7 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03bb\u03b5\u03c0\u03c4\u03ce\u03bd \u03c6\u03cd\u03bb\u03bb\u03c9\u03bd \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03bf\u03cd\u03c2<\/b><\/h2>\r\n<\/div>\r\n<h3><strong>\u03a5\u03bb\u03b9\u03ba\u03ac \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/strong><\/h3>\r\n\u03a4\u03bf <a href=\"https:\/\/www.astm.org\/d1922-15r20.html\" target=\"_blank\" rel=\"noopener\">ASTM D1922<\/a> \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b5\u03cd\u03ba\u03b1\u03bc\u03c0\u03c4\u03c9\u03bd \u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bc\u03b2\u03c1\u03b1\u03bd\u03ce\u03bd \u03ae \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b4\u03b9\u03ac\u03c1\u03c1\u03b7\u03be\u03b7\u03c2 Elmendorf. \u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b4\u03b9\u03b5\u03be\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c3\u03b5 \u03c5\u03bb\u03b9\u03ba\u03ac \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf \u03c0\u03bf\u03bb\u03c5\u03b1\u03b9\u03b8\u03c5\u03bb\u03ad\u03bd\u03b9\u03bf, \u03c4\u03bf \u03c0\u03bf\u03bb\u03c5\u03c0\u03c1\u03bf\u03c0\u03c5\u03bb\u03ad\u03bd\u03b9\u03bf \u03ba\u03b1\u03b9 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03b5\u03af\u03b4\u03b7 \u03c7\u03b1\u03c1\u03c4\u03b9\u03bf\u03cd, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03ba\u03cc\u03b2\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c4\u03c5\u03c0\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03af\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd.\r\n<h3><strong>\u0394\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/strong><\/h3>\r\nIn the ASTM D1922 procedure, the test material is clamped in the Elmendorf tear tester, and a pendulum is released to strike the specimen. The amount of energy required to initiate a tear is measured, giving an indication of the material's tear resistance. The test must be performed at controlled conditions to ensure accuracy.\r\n<h3><strong>\u0395\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/strong><\/h3>\r\n\u03a4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 ASTM D1922 \u03b5\u03ba\u03c6\u03c1\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c3\u03b5 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03c7\u03b9\u03c3\u03bc\u03ae, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03b4\u03bf\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03c3\u03c7\u03b9\u03c3\u03bc\u03ae\u03c2. \u039f\u03b9 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03c7\u03b9\u03c3\u03bc\u03ae \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03bf\u03c5\u03bd \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03ac \u03c5\u03bb\u03b9\u03ba\u03ac. \u03a4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c5\u03c4\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd \u03b3\u03b9\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b5\u03c2, \u03b9\u03b4\u03af\u03c9\u03c2 \u03c3\u03b5 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1.","link":"https:\/\/www.qualitester.com\/el\/product-category\/astm\/astm-d1922\/","name":"ASTM D1922","slug":"astm-d1922","taxonomy":"product_cat","parent":99,"meta":[],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/el\/wp-json\/wp\/v2\/product_cat\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/el\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.qualitester.com\/el\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/el\/wp-json\/wp\/v2\/product_cat\/99"}],"wp:post_type":[{"href":"https:\/\/www.qualitester.com\/el\/wp-json\/wp\/v2\/product?product_cat=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}