{"id":2626,"date":"2026-05-13T07:18:29","date_gmt":"2026-05-13T07:18:29","guid":{"rendered":"https:\/\/www.pharmacopoeiatest.com\/?p=2626"},"modified":"2026-05-13T07:18:31","modified_gmt":"2026-05-13T07:18:31","slug":"astm-f1921","status":"publish","type":"post","link":"https:\/\/www.pharmacopoeiatest.com\/cs\/astm-f1921\/","title":{"rendered":"ASTM F1921"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2626\" class=\"elementor elementor-2626\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8bb07f6 e-flex e-con-boxed e-con e-parent\" data-id=\"8bb07f6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d03e4ae elementor-widget elementor-widget-heading\" data-id=\"d03e4ae\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ASTM F1921<br><small><small>Pevnost v p\u0159ilnavosti za tepla u farmaceutick\u00fdch obal\u016f<\/small><\/small><\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e29ec3 elementor-widget elementor-widget-image\" data-id=\"2e29ec3\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"198\" src=\"https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/pharmaceutical-packaging-need-hot-tack-test-300x198.webp\" class=\"attachment-medium size-medium wp-image-2635\" alt=\"Farmaceutick\u00e9 obaly vy\u017eaduj\u00ed zkou\u0161ku p\u0159ilnavosti za tepla\" srcset=\"https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/pharmaceutical-packaging-need-hot-tack-test-300x198.webp 300w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/pharmaceutical-packaging-need-hot-tack-test-768x507.webp 768w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/pharmaceutical-packaging-need-hot-tack-test-18x12.webp 18w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/pharmaceutical-packaging-need-hot-tack-test.webp 1023w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d98951b elementor-widget elementor-widget-heading\" data-id=\"d98951b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Norma ASTM F1921 t\u00fdkaj\u00edc\u00ed se pevnosti t\u011bsn\u011bn\u00ed u flexibiln\u00edch obal\u016f<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f604883 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"f604883\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"585\" data-end=\"946\">Na str\u00e1nk\u00e1ch <strong data-start=\"589\" data-end=\"603\">ASTM F1921<\/strong> norma definuje kritickou laboratorn\u00ed metodu pou\u017e\u00edvanou k hodnocen\u00ed <strong data-start=\"671\" data-end=\"692\">pevnost v tahu za tepla<\/strong> termoplastick\u00fdch materi\u00e1l\u016f bezprost\u0159edn\u011b po tepeln\u00e9 sva\u0159ce a p\u0159edt\u00edm, ne\u017e sva\u0159ek vychladne na okoln\u00ed teplotu. Tato vlastnost je nezbytn\u00e1 p\u0159i vysokorychlostn\u00edm <strong data-start=\"841\" data-end=\"875\">balic\u00ed linky typu \u201eform-fill-seal\u201c<\/strong>, kde mus\u00ed t\u011bsn\u011bn\u00ed odol\u00e1vat nam\u00e1h\u00e1n\u00ed, zat\u00edmco jsou je\u0161t\u011b hork\u00e1 a mechanicky k\u0159ehk\u00e1.<\/p><p data-start=\"948\" data-end=\"1309\">Z praktick\u00e9ho hlediska, <strong data-start=\"968\" data-end=\"982\">ASTM F1921<\/strong> pom\u00e1h\u00e1 v\u00fdrobc\u016fm ur\u010dit, zda tepeln\u011b sva\u0159en\u00e1 f\u00f3lie vydr\u017e\u00ed s\u00edly p\u016fsob\u00edc\u00ed b\u011bhem balic\u00edch operac\u00ed, ani\u017e by do\u0161lo k jej\u00edmu po\u0161kozen\u00ed. D\u00edky tomu je obzvl\u00e1\u0161t\u011b u\u017eite\u010dn\u00e1 pro <strong data-start=\"1158\" data-end=\"1239\">farmaceutick\u00e9 obaly, obaly na potraviny a steriln\u00ed bari\u00e9rov\u00e9 syst\u00e9my pro zdravotnictv\u00ed<\/strong>, kde neporu\u0161enost t\u011bsn\u011bn\u00ed m\u00e1 p\u0159\u00edm\u00fd vliv na bezpe\u010dnost v\u00fdrobku a dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-592eb77 elementor-widget elementor-widget-heading\" data-id=\"592eb77\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pro\u010d je pevnost v p\u0159ilnavosti d\u016fle\u017eit\u00e1 u farmaceutick\u00fdch obal\u016f<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fd3f86 elementor-widget elementor-widget-text-editor\" data-id=\"4fd3f86\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"1466\" data-end=\"1716\">V <strong data-start=\"1469\" data-end=\"1505\">syst\u00e9my pro balen\u00ed l\u00e9\u010div<\/strong>, t\u011bsn\u011bn\u00ed jsou \u010dasto vystavena mechanick\u00e9mu nam\u00e1h\u00e1n\u00ed bezprost\u0159edn\u011b po vytvo\u0159en\u00ed. Pokud <strong data-start=\"1584\" data-end=\"1605\">pevnost v tahu za tepla<\/strong> je nedostate\u010dn\u00e9, m\u016f\u017ee doj\u00edt k otev\u0159en\u00ed nebo deformaci t\u011bsn\u011bn\u00ed je\u0161t\u011b p\u0159ed ochlazen\u00edm, co\u017e s sebou nese riziko kontaminace nebo zmetkov\u00e1n\u00ed v\u00fdrobku.<\/p><p data-start=\"1718\" data-end=\"1961\">Na str\u00e1nk\u00e1ch <strong data-start=\"1722\" data-end=\"1739\">zkou\u0161ka p\u0159ilnavosti za tepla<\/strong> Norma ASTM F1921 definuje m\u011b\u0159en\u00ed odolnosti spoje v ran\u00e9 f\u00e1zi pomoc\u00ed p\u016fsoben\u00ed \u0159\u00edzen\u00fdch odtrhov\u00fdch sil b\u011bhem f\u00e1ze ochlazov\u00e1n\u00ed. To poskytuje realistick\u00fd p\u0159ehled o tom, jak se obalov\u00e9 materi\u00e1ly chovaj\u00ed za v\u00fdrobn\u00edch podm\u00ednek.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-558221a elementor-widget elementor-widget-heading\" data-id=\"558221a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Funkce testeru p\u0159ilnavosti za tepla p\u0159i hodnocen\u00ed podle normy ASTM F1921<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f2efba elementor-widget elementor-widget-text-editor\" data-id=\"1f2efba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"2018\" data-end=\"2210\">A <strong data-start=\"2020\" data-end=\"2039\">p\u0159\u00edstroj na m\u011b\u0159en\u00ed p\u0159ilnavosti za tepla<\/strong> je kl\u00ed\u010dov\u00fd p\u0159\u00edstroj pou\u017e\u00edvan\u00fd k prov\u00e1d\u011bn\u00ed postup\u016f podle normy ASTM F1921. Simuluje ut\u011bsn\u011bn\u00ed, \u0159\u00edzen\u00e9 ochlazov\u00e1n\u00ed a okam\u017eit\u00e9 odlou\u010den\u00ed pod definovan\u00fdmi podm\u00ednkami, jako jsou:<\/p><ul data-start=\"2212\" data-end=\"2297\"><li data-section-id=\"1do3oe7\" data-start=\"2212\" data-end=\"2235\">Teplota ut\u011bsn\u011bn\u00ed<\/li><li data-section-id=\"1lfmgaz\" data-start=\"2236\" data-end=\"2250\">Doba zdr\u017een\u00ed<\/li><li data-section-id=\"l8b1w6\" data-start=\"2251\" data-end=\"2271\">Tlak ut\u011bsn\u011bn\u00ed<\/li><li data-section-id=\"14fg5e3\" data-start=\"2272\" data-end=\"2297\">Rychlost odd\u011blen\u00ed \u00fachopu<\/li><\/ul><p data-start=\"2299\" data-end=\"2458\">Tester zaznamen\u00e1v\u00e1 <strong data-start=\"2322\" data-end=\"2354\">maxim\u00e1ln\u00ed s\u00edla odlupov\u00e1n\u00ed v z\u00e1vislosti na \u010dase<\/strong>, \u010d\u00edm\u017e se vytvo\u0159\u00ed k\u0159ivka tepeln\u00e9 p\u0159ilnavosti, kter\u00e1 ukazuje vlastnosti materi\u00e1lu p\u0159i r\u016fzn\u00fdch teplot\u00e1ch sva\u0159ov\u00e1n\u00ed.<\/p><p data-start=\"2460\" data-end=\"2680\">Spole\u010dnost Cell Instruments nab\u00edz\u00ed pokro\u010dil\u00e1 \u0159e\u0161en\u00ed, jako je nap\u0159\u00edklad <strong data-start=\"2517\" data-end=\"2547\">Tester p\u0159ilnavosti za tepla \u0159ady HTT<\/strong>, kter\u00e1 podporuje jak metodu A, tak metodu B normy ASTM F1921, \u010d\u00edm\u017e zaji\u0161\u0165uje soulad s normou a vysokou opakovatelnost pro pr\u016fmyslov\u00e9 laborato\u0159e zaji\u0161\u0165ov\u00e1n\u00ed kvality.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10450b4 elementor-widget elementor-widget-heading\" data-id=\"10450b4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM F1921 \u2013 Princip a postup zkou\u0161ky<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff524ae elementor-widget elementor-widget-text-editor\" data-id=\"ff524ae\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3 data-section-id=\"bpw35q\" data-start=\"2743\" data-end=\"2796\">Vytvo\u0159en\u00ed tepeln\u00e9ho spoje a okam\u017eit\u00e9 hodnocen\u00ed odlupovatelnosti<\/h3><p data-start=\"2798\" data-end=\"2940\">Metoda ASTM F1921 za\u010d\u00edn\u00e1 vytvo\u0159en\u00edm tepeln\u00e9ho spoje mezi dv\u011bma termoplastick\u00fdmi vrstvami za kontrolovan\u00e9ho tlaku a teploty. Po spojen\u00ed:<\/p><ul data-start=\"2942\" data-end=\"3136\"><li data-section-id=\"xfcsdt\" data-start=\"2942\" data-end=\"3029\">Uzav\u0159en\u00fd vzorek je automaticky p\u0159eveden do f\u00e1ze \u0159\u00edzen\u00e9ho odb\u011bru<\/li><li data-section-id=\"1y50d3t\" data-start=\"3030\" data-end=\"3071\">Rukojeti se odd\u011bl\u00ed p\u0159i stanoven\u00e9 rychlosti<\/li><li data-section-id=\"njso5a\" data-start=\"3072\" data-end=\"3136\">S\u00edla pot\u0159ebn\u00e1 k odlepen\u00ed t\u011bsn\u011bn\u00ed se pr\u016fb\u011b\u017en\u011b m\u011b\u0159\u00ed<\/li><\/ul><p data-start=\"3138\" data-end=\"3297\">Tento proces zachycuje <strong data-start=\"3164\" data-end=\"3210\">v\u00fdvoj pevnosti v tahu p\u0159i ochlazov\u00e1n\u00ed hork\u00e9ho tmelu<\/strong>, co\u017e je nezbytn\u00e9 pro pochopen\u00ed odolnosti pe\u010det\u00ed v re\u00e1ln\u00fdch v\u00fdrobn\u00edch prost\u0159ed\u00edch.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72ed575 elementor-widget elementor-widget-heading\" data-id=\"72ed575\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Zku\u0161ebn\u00ed metody definovan\u00e9 v norm\u011b ASTM F1921<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-486f3a1 e-grid e-con-full e-con e-child\" data-id=\"486f3a1\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-87b40ff elementor-widget elementor-widget-text-editor\" data-id=\"87b40ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3 data-section-id=\"1d98d75\" data-start=\"3343\" data-end=\"3388\">Metoda A \u2013 Vyhodnocen\u00ed chlazen\u00ed s pevn\u00fdm zpo\u017ed\u011bn\u00edm<\/h3><p data-start=\"3390\" data-end=\"3575\">Metoda A zaznamen\u00e1v\u00e1 pevnost v p\u0159ilnavosti za tepla v p\u0159edem stanoven\u00fdch intervalech ochlazov\u00e1n\u00ed po uplynut\u00ed pevn\u011b stanoven\u00e9 prodlevy. Tato metoda poskytuje podrobn\u00e9 <strong data-start=\"3511\" data-end=\"3528\">chladic\u00ed k\u0159ivka<\/strong>, kter\u00fd ukazuje, jak se pevnost t\u011bsn\u011bn\u00ed vyv\u00edj\u00ed v \u010dase.<\/p><p data-start=\"3577\" data-end=\"3609\">Mezi typick\u00e9 vlastnosti pat\u0159\u00ed:<\/p><ul data-start=\"3611\" data-end=\"3739\"><li data-section-id=\"1r2tus8\" data-start=\"3611\" data-end=\"3645\">Pevn\u011b nastaven\u00e1 prodleva p\u0159ed m\u011b\u0159en\u00edm<\/li><li data-section-id=\"g3x3e8\" data-start=\"3646\" data-end=\"3684\">M\u011b\u0159en\u00ed s\u00edly v n\u011bkolika \u010dasov\u00fdch bodech<\/li><li data-section-id=\"kbyhok\" data-start=\"3685\" data-end=\"3739\">Vytvo\u0159en\u00ed chladic\u00ed k\u0159ivky pro srovn\u00e1n\u00ed materi\u00e1l\u016f<\/li><\/ul><p data-start=\"3741\" data-end=\"3810\">Tato metoda se hojn\u011b vyu\u017e\u00edv\u00e1 p\u0159i v\u00fdzkumu a v\u00fdvoji materi\u00e1l\u016f a p\u0159i srovn\u00e1vac\u00ed anal\u00fdze.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30dacd0 elementor-widget elementor-widget-text-editor\" data-id=\"30dacd0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3 data-section-id=\"1073sib\" data-start=\"3817\" data-end=\"3869\">Metoda B \u2013 M\u011b\u0159en\u00ed \u0161pi\u010dkov\u00e9 s\u00edly s prom\u011bnn\u00fdm zpo\u017ed\u011bn\u00edm<\/h3><p data-start=\"3871\" data-end=\"4088\">Metoda B se zam\u011b\u0159uje na m\u011b\u0159en\u00ed <strong data-start=\"3905\" data-end=\"3934\">maxim\u00e1ln\u00ed pevnost v p\u0159ilnavosti za tepla<\/strong> po zpo\u017ed\u011bn\u00ed nastaven\u00e9m u\u017eivatelem. Je to zvl\u00e1\u0161t\u011b vhodn\u00e9 pro kontrolu kvality ve v\u00fdrob\u011b, kde je \u0161pi\u010dkov\u00fd v\u00fdkon d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e anal\u00fdza cel\u00e9 k\u0159ivky.<\/p><p data-start=\"4090\" data-end=\"4118\">Mezi hlavn\u00ed charakteristiky pat\u0159\u00ed:<\/p><ul data-start=\"4120\" data-end=\"4229\"><li data-section-id=\"met80u\" data-start=\"4120\" data-end=\"4147\">Nastaven\u00ed prom\u011bnn\u00e9ho zpo\u017ed\u011bn\u00ed<\/li><li data-section-id=\"3szyy5\" data-start=\"4148\" data-end=\"4187\">Detekce maxim\u00e1ln\u00ed s\u00edly p\u0159i odlupov\u00e1n\u00ed<\/li><li data-section-id=\"dhnbgm\" data-start=\"4188\" data-end=\"4229\">Rychlej\u0161\u00ed vyhodnocen\u00ed v prost\u0159ed\u00edch kontroly kvality<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71b126c elementor-widget elementor-widget-heading\" data-id=\"71b126c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Kl\u00ed\u010dov\u00e9 zku\u0161ebn\u00ed parametry podle normy ASTM F1921<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c62d41c elementor-widget elementor-widget-text-editor\" data-id=\"c62d41c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"4277\" data-end=\"4374\">Norma ASTM F1921 klade d\u016fraz na p\u0159\u00edsnou kontrolu podm\u00ednek ut\u011bsn\u011bn\u00ed a zkou\u0161en\u00ed, aby byla zaji\u0161t\u011bna reprodukovatelnost:<\/p><ul data-start=\"4376\" data-end=\"4629\"><li data-section-id=\"1nvilt7\" data-start=\"4376\" data-end=\"4460\"><strong data-start=\"4378\" data-end=\"4392\">Doba zdr\u017een\u00ed<\/strong> li\u0161\u00ed se v z\u00e1vislosti na tlou\u0161\u0165ce f\u00f3lie (typick\u00fd rozsah 0,5 s a\u017e 2,5 s)<\/li><li data-section-id=\"o6uc05\" data-start=\"4461\" data-end=\"4509\"><strong data-start=\"4463\" data-end=\"4483\">Tlak ut\u011bsn\u011bn\u00ed<\/strong> v rozmez\u00ed 15\u201330 N\/cm\u00b2<\/li><li data-section-id=\"u2m8a3\" data-start=\"4510\" data-end=\"4555\"><strong data-start=\"4512\" data-end=\"4526\">Rychlost loup\u00e1n\u00ed<\/strong> obvykle se nastavuje na 200 mm\/min<\/li><li data-section-id=\"1w1hhma\" data-start=\"4556\" data-end=\"4629\"><strong data-start=\"4558\" data-end=\"4588\">N\u011bkolik teplotn\u00edch stup\u0148\u016f<\/strong> slou\u017e\u00ed k sestaven\u00ed k\u0159ivky p\u0159ilnavosti za tepla<\/li><\/ul><p data-start=\"4631\" data-end=\"4706\">Tyto parametry zaji\u0161\u0165uj\u00ed, \u017ee v\u00fdsledky odr\u00e1\u017eej\u00ed skute\u010dn\u00e9 chov\u00e1n\u00ed obal\u016f.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b779702 elementor-widget elementor-widget-heading\" data-id=\"b779702\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Anal\u00fdza zp\u016fsob\u016f selh\u00e1n\u00ed p\u0159i zkou\u0161k\u00e1ch p\u0159ilnavosti za tepla<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a95bbf elementor-widget elementor-widget-text-editor\" data-id=\"2a95bbf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"4759\" data-end=\"4838\">Norma ASTM F1921 vy\u017eaduje podrobnou dokumentaci zp\u016fsob\u016f selh\u00e1n\u00ed, kter\u00e1 m\u016f\u017ee zahrnovat:<\/p><ul data-start=\"4840\" data-end=\"4983\"><li data-section-id=\"c5ccgp\" data-start=\"4840\" data-end=\"4873\">Selh\u00e1n\u00ed lepen\u00ed na rozhran\u00ed<\/li><li data-section-id=\"f8h15p\" data-start=\"4874\" data-end=\"4912\">Poru\u0161en\u00ed soudr\u017enosti v t\u011bsnic\u00ed vrstv\u011b<\/li><li data-section-id=\"1lk3j3x\" data-start=\"4913\" data-end=\"4934\">Odlupov\u00e1n\u00ed f\u00f3lie<\/li><li data-section-id=\"13bvrj6\" data-start=\"4935\" data-end=\"4955\">Prasknut\u00ed materi\u00e1lu<\/li><li data-section-id=\"wy1zh8\" data-start=\"4956\" data-end=\"4983\">Prota\u017een\u00ed p\u0159ed p\u0159etr\u017een\u00edm<\/li><\/ul><p data-start=\"4985\" data-end=\"5119\">Klasifikace zp\u016fsob\u016f poruchy je nezbytn\u00e1 pro ur\u010den\u00ed, zda omezen\u00ed vypl\u00fdvaj\u00ed ze struktury materi\u00e1lu, nebo z podm\u00ednek ut\u011bsn\u011bn\u00ed.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be5e0d9 elementor-widget elementor-widget-heading\" data-id=\"be5e0d9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tester p\u0159ilnavosti za tepla spole\u010dnosti Cell Instruments podle normy ASTM F1921<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3c19142 e-con-full e-flex e-con e-child\" data-id=\"3c19142\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bba4a6e elementor-widget__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"bba4a6e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p data-start=\"5627\" data-end=\"5761\">Spole\u010dnost Cell Instruments vyv\u00edj\u00ed pokro\u010dil\u00e9 <strong data-start=\"5662\" data-end=\"5689\">syst\u00e9my pro zkou\u0161en\u00ed p\u0159ilnavosti za tepla<\/strong> navr\u017eeno speci\u00e1ln\u011b pro spln\u011bn\u00ed normy ASTM F1921. \u0158ada HTT nab\u00edz\u00ed:<\/p><ul data-start=\"5763\" data-end=\"5962\"><li data-section-id=\"2icpvp\" data-start=\"5763\" data-end=\"5798\">P\u0159esn\u00e1 regulace teploty pomoc\u00ed PID<\/li><li data-section-id=\"zixvs2\" data-start=\"5799\" data-end=\"5835\">Automatizovan\u00fd cyklus uzav\u00edr\u00e1n\u00ed a otev\u00edr\u00e1n\u00ed<\/li><li data-section-id=\"1ak0c9g\" data-start=\"5836\" data-end=\"5873\">Podpora metody A a metody B<\/li><li data-section-id=\"1aelrgv\" data-start=\"5874\" data-end=\"5926\">Vysokorychlostn\u00ed testov\u00e1n\u00ed spl\u0148uj\u00edc\u00ed pr\u016fmyslov\u00e9 po\u017eadavky<\/li><li data-section-id=\"1dckeg4\" data-start=\"5927\" data-end=\"5962\">Spolehliv\u00fd \u0159\u00eddic\u00ed syst\u00e9m zalo\u017een\u00fd na PLC<\/li><\/ul><p data-start=\"5964\" data-end=\"6152\">Syst\u00e9m zaji\u0161\u0165uje konzistentn\u00ed m\u011b\u0159en\u00ed <strong data-start=\"6009\" data-end=\"6059\">pevnost v tahu p\u0159i zah\u0159\u00e1t\u00ed u farmaceutick\u00fdch obal\u016f<\/strong>, \u010d\u00edm\u017e pom\u00e1h\u00e1 laborato\u0159\u00edm a v\u00fdrobc\u016fm dodr\u017eovat regula\u010dn\u00ed normy a standardy zaji\u0161t\u011bn\u00ed kvality.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f20c734 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"f20c734\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"1284\" src=\"https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-for-pharmaceutical-Packaging-Strength-768x1284.webp\" class=\"attachment-medium_large size-medium_large wp-image-2636\" alt=\"Zku\u0161ebn\u00ed za\u0159\u00edzen\u00ed ASTM F1921 pro stanoven\u00ed pevnosti farmaceutick\u00fdch obal\u016f p\u0159i hork\u00e9m p\u0159ilepen\u00ed\" srcset=\"https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-for-pharmaceutical-Packaging-Strength-768x1284.webp 768w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-for-pharmaceutical-Packaging-Strength-179x300.webp 179w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-for-pharmaceutical-Packaging-Strength-613x1024.webp 613w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-for-pharmaceutical-Packaging-Strength-919x1536.webp 919w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-for-pharmaceutical-Packaging-Strength-1225x2048.webp 1225w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-for-pharmaceutical-Packaging-Strength-7x12.webp 7w, https:\/\/www.pharmacopoeiatest.com\/wp-content\/uploads\/2026\/05\/ASTM-F1921-Hot-Tack-Tester-for-pharmaceutical-Packaging-Strength-scaled.webp 1531w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5071eda elementor-widget elementor-widget-text-editor\" data-id=\"5071eda\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2>\u010casto kladen\u00e9 ot\u00e1zky t\u00fdkaj\u00edc\u00ed se normy ASTM F1921<\/h2><p><strong>K \u010demu se norma ASTM F1921 pou\u017e\u00edv\u00e1?<\/strong><br \/>Norma ASTM F1921 se pou\u017e\u00edv\u00e1 k m\u011b\u0159en\u00ed pevnosti tepeln\u00e9ho spoje u termoplastick\u00fdch f\u00f3li\u00ed za tepla, je\u0161t\u011b p\u0159ed jejich ochlazen\u00edm, co\u017e pom\u00e1h\u00e1 p\u0159i hodnocen\u00ed funk\u010dnosti obalu b\u011bhem v\u00fdroby.<\/p><p><strong>Pro\u010d je pevnost v p\u0159ilnavosti p\u0159i zah\u0159\u00e1t\u00ed d\u016fle\u017eit\u00e1 v obalov\u00e9m pr\u016fmyslu?<br \/><\/strong>Pevnost v tahu za tepla zaji\u0161\u0165uje, \u017ee t\u011bsn\u011bn\u00ed odolaj\u00ed nam\u00e1h\u00e1n\u00ed ihned po vytvo\u0159en\u00ed, \u010d\u00edm\u017e se zabr\u00e1n\u00ed selh\u00e1n\u00ed t\u011bsn\u011bn\u00ed b\u011bhem vysokorychlostn\u00edch balic\u00edch proces\u016f.<\/p><p><strong>Jak\u00fd je rozd\u00edl mezi metodou A a metodou B?<br \/><\/strong>Metoda A m\u011b\u0159\u00ed pevnost p\u0159i tepl\u00e9m p\u0159ilepen\u00ed v pr\u016fb\u011bhu chladic\u00ed k\u0159ivky, zat\u00edmco metoda B se zam\u011b\u0159uje na maxim\u00e1ln\u00ed s\u00edlu po uplynut\u00ed stanoven\u00e9 prodlevy.<\/p><p><strong>V jak\u00fdch odv\u011btv\u00edch se prov\u00e1d\u00ed zkou\u0161ky p\u0159ilnavosti za tepla?<br \/><\/strong>Je \u0161iroce vyu\u017e\u00edv\u00e1n ve farmaceutick\u00e9m pr\u016fmyslu, potravin\u00e1\u0159stv\u00ed, p\u0159i balen\u00ed zdravotnick\u00fdch prost\u0159edk\u016f, ve v\u00fdrob\u011b lepidel a p\u0159i v\u00fdrob\u011b flexibiln\u00edch f\u00f3li\u00ed.<\/p><p><strong>Jak\u00e9 p\u0159\u00edstroje se pou\u017e\u00edvaj\u00ed p\u0159i zkou\u0161k\u00e1ch podle normy ASTM F1921?<br \/><\/strong>K prov\u00e1d\u011bn\u00ed \u0159\u00edzen\u00fdch zkou\u0161ek t\u011bsnosti a odtrhov\u00e9 pevnosti se pou\u017e\u00edv\u00e1 tester hork\u00fdm hrotem, nap\u0159\u00edklad za\u0159\u00edzen\u00ed \u0159ady HTT od spole\u010dnosti Cell Instruments, v souladu s <a href=\"https:\/\/store.astm.org\/f1921_f1921m-12r23.html\" target=\"_blank\" rel=\"noopener\">ASTM F1921<\/a>.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ASTM F1921 \u2013 Pevnost v p\u0159ilnavosti za tepla u farmaceutick\u00fdch obal\u016f; ASTM F1921 \u2013 V\u00fdkonnost t\u011bsn\u011bn\u00ed u flexibiln\u00edch obal\u016f Norma ASTM F1921 definuje kl\u00ed\u010dovou laboratorn\u00ed metodu pou\u017e\u00edvanou k hodnocen\u00ed pevnosti v p\u0159ilnavosti za tepla u termoplastick\u00fdch materi\u00e1l\u016f bezprost\u0159edn\u011b po tepeln\u00e9 sva\u0159ce a p\u0159ed ochlazen\u00edm spoje na okoln\u00ed teplotu. Tato vlastnost je z\u00e1sadn\u00ed u vysokorychlostn\u00edch balic\u00edch linek typu \u201eform-fill-seal\u201c, kde [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[26],"tags":[],"class_list":["post-2626","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"pharmacopoeiatest","author_link":"https:\/\/www.pharmacopoeiatest.com\/cs\/author\/pharmacopoeiatest\/"},"uagb_comment_info":0,"uagb_excerpt":"ASTM F1921Hot Tack Strength for Pharmaceutical Packaging ASTM F1921 in Flexible Packaging Seal Performance The ASTM F1921 standard defines a critical laboratory method used to evaluate the hot tack strength of thermoplastic materials immediately after heat sealing and before the seal cools to ambient conditions. This property is essential in high-speed form-fill-seal packaging lines, where&hellip;","_links":{"self":[{"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/posts\/2626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/comments?post=2626"}],"version-history":[{"count":5,"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/posts\/2626\/revisions"}],"predecessor-version":[{"id":2639,"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/posts\/2626\/revisions\/2639"}],"wp:attachment":[{"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/media?parent=2626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/categories?post=2626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/cs\/wp-json\/wp\/v2\/tags?post=2626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}