{"id":722,"date":"2025-12-11T07:53:43","date_gmt":"2025-12-11T07:53:43","guid":{"rendered":"https:\/\/www.materialstests.com\/?p=722"},"modified":"2025-12-11T07:53:47","modified_gmt":"2025-12-11T07:53:47","slug":"leading-the-way-in-hot-tack-testing-with-astm-f1921-standards","status":"publish","type":"post","link":"https:\/\/www.materialstests.com\/el\/news\/leading-the-way-in-hot-tack-testing-with-astm-f1921-standards.html","title":{"rendered":"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921"},"content":{"rendered":"<p>\u0397 Cell Instruments, \u03c0\u03c1\u03c9\u03c4\u03bf\u03c0\u03cc\u03c1\u03bf\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd, \u03b1\u03bd\u03b1\u03ba\u03bf\u03b9\u03bd\u03ce\u03bd\u03b5\u03b9 \u03bc\u03b5 \u03c5\u03c0\u03b5\u03c1\u03b7\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03ad\u03c3\u03bc\u03b5\u03c5\u03c3\u03ae \u03c4\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c5\u03b9\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03c9\u03bd ASTM F1921. \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03bf\u03c4\u03b5\u03af \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03b2\u03ae\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd, \u03b9\u03b4\u03af\u03c9\u03c2 \u03c3\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03bc\u03b5 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03bf\u03c5\u03c2 \u03c1\u03c5\u03b8\u03bc\u03bf\u03cd\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 ASTM F1921:<\/strong><\/h2>\n\n\n\n<p>\u03a4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ASTM F1921 \u03b5\u03c0\u03b9\u03ba\u03b5\u03bd\u03c4\u03c1\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae\u03c2 \u03c4\u03c9\u03bd \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ce\u03bd \u03c3\u03c6\u03c1\u03b1\u03b3\u03af\u03b4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b8\u03b5\u03c1\u03bc\u03bf\u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03c0\u03b9\u03c6\u03b1\u03bd\u03b5\u03b9\u03ce\u03bd \u03c3\u03b5 \u03b5\u03cd\u03ba\u03b1\u03bc\u03c0\u03c4\u03b5\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b5\u03c2. \u0397 \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c7\u03ce\u03c1\u03b1 \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03c1\u03b1\u03b3\u03af\u03b4\u03b1\u03c2, \u03c4\u03bf\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c8\u03cd\u03be\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b4\u03c9\u03bc\u03b1\u03c4\u03af\u03bf\u03c5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u03a3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b7 \u03c6\u03cc\u03c1\u03bc\u03b1-\u03c0\u03bb\u03ae\u03c1\u03c9\u03c3\u03b7-\u03c3\u03c6\u03c1\u03ac\u03b3\u03b9\u03c3\u03b7 (VFFS):<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"291\" src=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards.png\" alt=\"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921\" class=\"wp-image-726\" title=\"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921\" srcset=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards.png 900w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards-300x97.png 300w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards-768x248.png 768w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards-600x194.png 600w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p>\u0397 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7\u03c2 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03b9\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b7\u03c2 \u03bc\u03bf\u03c1\u03c6\u03ae\u03c2-\u03c3\u03c5\u03bc\u03c0\u03bb\u03ae\u03c1\u03c9\u03c3\u03b7\u03c2-\u03c3\u03c6\u03c1\u03ac\u03b3\u03b9\u03c3\u03b7\u03c2 (VFFS), \u03cc\u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03bf\u03c2 \u03b5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03c8\u03cd\u03be\u03b7\u03c2. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1 VFFS, \u03c4\u03b1 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03b1 \u03b5\u03bd\u03b1\u03c0\u03bf\u03c4\u03af\u03b8\u03b5\u03bd\u03c4\u03b1\u03b9 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03c3\u03c4\u03b7 \u03c3\u03b1\u03ba\u03bf\u03cd\u03bb\u03b1 \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf \u03ac\u03bd\u03bf\u03b9\u03b3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03c1\u03ac\u03b2\u03b4\u03c9\u03bd \u03c3\u03c6\u03c1\u03ac\u03b3\u03b9\u03c3\u03b7\u03c2. \u0397 \u03b9\u03ba\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c3\u03c6\u03c1\u03ac\u03b3\u03b9\u03c3\u03b7\u03c2 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03c7\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 \u03ba\u03b1\u03b8\u03af\u03c3\u03c4\u03b1\u03c4\u03b1\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b7, \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03ac \u03c4\u03b7\u03c2. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03c0\u03b9\u03b8\u03b1\u03bd\u03ae\u03c2 \u03b4\u03b9\u03b1\u03c1\u03c1\u03bf\u03ae\u03c2 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd \u03ae \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2. \u03a9\u03c2 \u03b5\u03ba \u03c4\u03bf\u03cd\u03c4\u03bf\u03c5, \u03b7 \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03b1\u03af\u03c1\u03b9\u03bf \u03b2\u03ae\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 ASTM F1921:<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"567\" height=\"567\" src=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards2.png\" alt=\"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921\" class=\"wp-image-725\" title=\"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921\" srcset=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards2.png 567w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards2-300x300.png 300w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards2-150x150.png 150w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards2-100x100.png 100w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u03a3\u03c6\u03c1\u03ac\u03b3\u03b9\u03c3\u03b7 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2:<\/strong><\/h2>\n\n\n\n<p>\u039c\u03b9\u03b1 \u03bb\u03c9\u03c1\u03af\u03b4\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c6\u03c1\u03b1\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u03bc\u03ad\u03c3\u03c9 \u03b4\u03cd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03c9\u03bd \u03b8\u03b5\u03c1\u03bc\u03b1\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03c9\u03bd \u03c3\u03b9\u03b1\u03b3\u03cc\u03bd\u03c9\u03bd, \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2, \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0391\u03c0\u03cc\u03c3\u03c5\u03c1\u03c3\u03b7 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2:<\/strong><\/h2>\n\n\n\n<p>\u039a\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03c3\u03b9\u03b1\u03b3\u03cc\u03bd\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1\u03c2 \u03c3\u03c6\u03c1\u03ac\u03b3\u03b9\u03c3\u03b7\u03c2 \u03b1\u03bd\u03bf\u03af\u03b3\u03bf\u03c5\u03bd, \u03b7 \u03c3\u03c6\u03c1\u03b1\u03b3\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c4\u03b1\u03b9\u03bd\u03af\u03b1 \u03b1\u03c0\u03bf\u03c3\u03cd\u03c1\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c3\u03b9\u03b1\u03b3\u03cc\u03bd\u03b5\u03c2, \u03b5\u03c0\u03b9\u03c4\u03c5\u03b3\u03c7\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c5\u03c1\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b8\u03c5\u03c3\u03c4\u03ad\u03c1\u03b7\u03c3\u03b7\u03c2, \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c1\u03c5\u03b8\u03bc\u03b9\u03c3\u03c4\u03b5\u03af \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03c3\u03c4\u03b5\u03af. \u0397 \u03b1\u03c0\u03cc\u03c3\u03c5\u03c1\u03c3\u03b7 \u03b5\u03c0\u03b9\u03c4\u03c5\u03b3\u03c7\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03b7\u03c2 \u03b1\u03bd\u03ac\u03c3\u03c5\u03c1\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03bb\u03b1\u03b2\u03af\u03b4\u03c9\u03bd.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards3.jpg\" alt=\"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921\" class=\"wp-image-724\" title=\"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921\" srcset=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards3.jpg 700w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards3-300x171.jpg 300w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards3-600x343.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u039c\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2:<\/strong><\/h2>\n\n\n\n<p>\u039a\u03b1\u03b8\u03ce\u03c2 \u03bf\u03b9 \u03bb\u03b1\u03b2\u03ad\u03c2 \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c0\u03c1\u03bf\u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1, \u03c4\u03bf \u03c3\u03c6\u03c1\u03b1\u03b3\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c5\u03c6\u03af\u03c3\u03c4\u03b1\u03c4\u03b1\u03b9 \u03b5\u03c0\u03b9\u03bc\u03ae\u03ba\u03c5\u03bd\u03c3\u03b7 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03b5\u03b9 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac. \u039a\u03b1\u03b8' \u03cc\u03bb\u03b7 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03c0\u03b9\u03bc\u03ae\u03ba\u03c5\u03bd\u03c3\u03b7\u03c2, \u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ac \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03c1\u03ac\u03b3\u03b9\u03c3\u03b7\u03c2 \u03ad\u03c9\u03c2 \u03cc\u03c4\u03bf\u03c5 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u039e\u03b5\u03ba\u03bb\u03b5\u03b9\u03b4\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03ba\u03c1\u03b9\u03b2\u03b5\u03af\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 ASTM F1921 \u03bc\u03b5 \u03c4\u03bf Cell Instruments\u2019 HTT-02 Hot Tack Tester:<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"591\" height=\"591\" src=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards4.png\" alt=\"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921\" class=\"wp-image-723\" title=\"\u03a0\u03c1\u03c9\u03c4\u03bf\u03c0\u03bf\u03c1\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 ASTM F1921\" srcset=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards4.png 591w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards4-300x300.png 300w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards4-150x150.png 150w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/Leading-the-Way-in-Hot-Tack-Testing-with-ASTM-F1921-Standards4-100x100.png 100w\" sizes=\"(max-width: 591px) 100vw, 591px\" \/><\/figure>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03b6\u03b7\u03c4\u03bf\u03cd\u03bd \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2, \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ac\u03c4\u03b1\u03b9 \u03bf \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03c4\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 Cell Instruments HTT-02, \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b7 \u03bb\u03cd\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b9\u03b4\u03b9\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 \u03c3\u03b5 \u03b8\u03b5\u03c1\u03bc\u03bf\u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2.<\/p>\n\n\n\n<p>\u039c\u03b5\u03af\u03bd\u03b5\u03c4\u03b5 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03c3\u03c4\u03b7 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03af\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03af\u03b1\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd Cell Instruments - \u03c4\u03bf\u03bd \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03ac\u03c4\u03b7 \u03c3\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03ba\u03b1\u03b9\u03bd\u03bf\u03c4\u03cc\u03bc\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03b2\u03b1\u03c4\u03ad\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0397 Cell Instruments, \u03c0\u03c1\u03c9\u03c4\u03bf\u03c0\u03cc\u03c1\u03bf\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd, \u03b1\u03bd\u03b1\u03ba\u03bf\u03b9\u03bd\u03ce\u03bd\u03b5\u03b9 \u03bc\u03b5 \u03c5\u03c0\u03b5\u03c1\u03b7\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03ad\u03c3\u03bc\u03b5\u03c5\u03c3\u03ae \u03c4\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03af\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c3\u03c5\u03b3\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c5\u03b9\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03c9\u03bd ASTM F1921. \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03bf\u03c4\u03b5\u03af \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03b2\u03ae\u03bc\u03b1 \u03c3\u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03b9\u03ce\u03bd, \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03c3\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03bc\u03b5 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03bf\u03c5\u03c2 \u03c1\u03c5\u03b8\u03bc\u03bf\u03cd\u03c2. \u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03ae\u03c2 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7\u03c2 ASTM F1921: \u03a4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf ASTM F1921 \u03b5\u03c0\u03b9\u03ba\u03b5\u03bd\u03c4\u03c1\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 [...]<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-722","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/posts\/722","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/comments?post=722"}],"version-history":[{"count":0,"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/posts\/722\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/media?parent=722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/categories?post=722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.materialstests.com\/el\/wp-json\/wp\/v2\/tags?post=722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}