{"id":586,"date":"2025-07-04T01:49:22","date_gmt":"2025-07-04T01:49:22","guid":{"rendered":"https:\/\/www.hottacktest.com\/?p=586"},"modified":"2025-07-04T01:50:50","modified_gmt":"2025-07-04T01:50:50","slug":"tea-packaging-hot-tack-test-astm-f1921","status":"publish","type":"post","link":"https:\/\/www.hottacktest.com\/cs\/tea-packaging-hot-tack-test-astm-f1921","title":{"rendered":"Zkou\u0161ky pevnosti \u010dajov\u00fdch obal\u016f za tepla podle normy ASTM F1921"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"586\" class=\"elementor elementor-586\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b0777b3 e-flex e-con-boxed e-con e-parent\" data-id=\"b0777b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-94495f2 elementor-widget elementor-widget-text-editor\" data-id=\"94495f2\" data-element_type=\"widget\" data-e-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\t\t<p>V pru\u017en\u00fdch obalech, zejm\u00e9na v tepeln\u011b zataven\u00fdch \u010dajov\u00fdch s\u00e1\u010dc\u00edch a pytl\u00edc\u00edch, se <strong data-start=\"347\" data-end=\"368\">pevnost p\u0159i lepen\u00ed za tepla<\/strong> t\u011bsn\u011bn\u00ed hraje z\u00e1sadn\u00ed roli p\u0159i ur\u010dov\u00e1n\u00ed integrity v\u00fdrobku. Tato zkou\u0161ka hodnot\u00ed, jak dob\u0159e t\u011bsn\u011bn\u00ed dr\u017e\u00ed bezprost\u0159edn\u011b po ut\u011bsn\u011bn\u00ed, ne\u017e zcela vychladne. Obalov\u00e9 materi\u00e1ly na \u010daj \u010dasto obsahuj\u00ed laminovan\u00e9 f\u00f3lie, kter\u00e9 vy\u017eaduj\u00ed p\u0159esn\u00e9 podm\u00ednky ut\u011bsn\u011bn\u00ed. Porozum\u011bn\u00ed <strong data-start=\"640\" data-end=\"661\">pevnost p\u0159i lepen\u00ed za tepla<\/strong> testov\u00e1n\u00ed, zejm\u00e9na podle definice <a href=\"https:\/\/www.hottacktest.com\/cs\/astm-f1921-hot-tack-test-method\/\"><strong data-start=\"696\" data-end=\"710\">ASTM F1921<\/strong><\/a>, je z\u00e1sadn\u00ed pro obalov\u00e9 in\u017een\u00fdry a odborn\u00edky na zaji\u0161t\u011bn\u00ed kvality, kte\u0159\u00ed se sna\u017e\u00ed zajistit kvalitu a efektivitu v\u00fdrobk\u016f ve v\u00fdrob\u011b.<\/p>\t\t\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<div class=\"elementor-element elementor-element-3e36d9c e-flex e-con-boxed e-con e-parent\" data-id=\"3e36d9c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b503f1c elementor-widget elementor-widget-heading\" data-id=\"b503f1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V\u00fdznam pevnosti za tepla v balen\u00ed \u010daje<\/h2>\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<div class=\"elementor-element elementor-element-5a69e90 e-flex e-con-boxed e-con e-parent\" data-id=\"5a69e90\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a5085a elementor-widget elementor-widget-text-editor\" data-id=\"2a5085a\" data-element_type=\"widget\" data-e-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\t\t<p data-start=\"888\" data-end=\"1215\">P\u0159i vysokorychlostn\u00edch balic\u00edch operac\u00edch, jako jsou stroje s vertik\u00e1ln\u00edmi formami a pe\u010det\u011bmi (VFFS) pou\u017e\u00edvan\u00e9 p\u0159i balen\u00ed \u010daje do s\u00e1\u010dk\u016f, mus\u00ed pe\u010det\u011b zachovat celistvost je\u0161t\u011b za horka. Nedostate\u010dn\u00e9 ochlazen\u00ed m\u016f\u017ee zp\u016fsobit p\u0159ed\u010dasn\u00e9 selh\u00e1n\u00ed t\u011bsn\u011bn\u00ed, jestli\u017ee <strong data-start=\"1103\" data-end=\"1124\">pevnost p\u0159i lepen\u00ed za tepla<\/strong> je nedostate\u010dn\u00e1. To by mohlo v\u00e9st k \u00fanik\u016fm, \u0161patn\u011b napln\u011bn\u00fdm s\u00e1\u010dk\u016fm nebo ke ztr\u00e1t\u011b \u010derstvosti v\u00fdrobku.<\/p><p data-start=\"1217\" data-end=\"1270\">Hodnocen\u00ed <strong data-start=\"1228\" data-end=\"1249\">pevnost p\u0159i lepen\u00ed za tepla<\/strong> pom\u00e1h\u00e1 v\u00fdrobc\u016fm:<\/p><ul><li data-start=\"1274\" data-end=\"1337\">Optimalizace parametr\u016f t\u011bsn\u011bn\u00ed (teplota, tlak, doba zdr\u017een\u00ed)<\/li><li data-start=\"1340\" data-end=\"1383\">Porovn\u00e1n\u00ed vlastnost\u00ed vrstven\u00fdch konstrukc\u00ed<\/li><li data-start=\"1386\" data-end=\"1443\">P\u0159edch\u00e1zen\u00ed vad\u00e1m balen\u00ed v rychl\u00e9m v\u00fdrobn\u00edm prost\u0159ed\u00ed<\/li><li data-start=\"1446\" data-end=\"1511\">V\u00fdb\u011br materi\u00e1l\u016f s lep\u0161\u00edmi vlastnostmi v podm\u00ednk\u00e1ch t\u011bsn\u011bn\u00ed<\/li><\/ul><p data-start=\"1513\" data-end=\"1751\">Na str\u00e1nk\u00e1ch <strong data-start=\"1517\" data-end=\"1538\">pevnost p\u0159i lepen\u00ed za tepla<\/strong> je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00fd pro f\u00f3lie na b\u00e1zi polypropylenu nebo polyethylenu, kter\u00e9 se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed v \u010dajov\u00fdch s\u00e1\u010dc\u00edch, kde n\u00edzk\u00e9 teploty iniciace t\u011bsn\u011bn\u00ed a vysokorychlostn\u00ed t\u011bsnic\u00ed linky vy\u017eaduj\u00ed vyv\u00e1\u017een\u00fd v\u00fdkon tepeln\u00e9ho lepen\u00ed.<\/p>\t\t\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<div class=\"elementor-element elementor-element-003dfa9 e-flex e-con-boxed e-con e-parent\" data-id=\"003dfa9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-193b289 elementor-widget elementor-widget-heading\" data-id=\"193b289\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Porozum\u011bn\u00ed pevnosti t\u011bsn\u011bn\u00ed za tepla a norm\u011b ASTM F1921<\/h2>\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<div class=\"elementor-element elementor-element-a61fe1d e-flex e-con-boxed e-con e-parent\" data-id=\"a61fe1d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e16f41 elementor-widget elementor-widget-heading\" data-id=\"6e16f41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Z\u00e1sady pevnosti t\u011bsn\u011bn\u00ed za tepla<\/h3>\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<div class=\"elementor-element elementor-element-b610fa3 e-flex e-con-boxed e-con e-parent\" data-id=\"b610fa3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2f115e7 elementor-widget elementor-widget-text-editor\" data-id=\"2f115e7\" data-element_type=\"widget\" data-e-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\t\t<p data-start=\"1848\" data-end=\"2110\"><strong data-start=\"1848\" data-end=\"1874\">Pevnost t\u011bsn\u011bn\u00ed za tepla<\/strong> se vztahuje na t\u011bsnic\u00ed s\u00edlu spoje m\u011b\u0159enou <em data-start=\"1923\" data-end=\"1946\">dokud je je\u0161t\u011b hork\u00e1<\/em>, tj. p\u0159ed dosa\u017een\u00edm teploty okol\u00ed. T\u011bsn\u011bn\u00ed mus\u00ed odol\u00e1vat sil\u00e1m p\u0159i pohybu balic\u00edm strojem - mezi f\u00e1zemi tvarov\u00e1n\u00ed, pln\u011bn\u00ed a chlazen\u00ed.<\/p><p data-start=\"2112\" data-end=\"2305\"><a href=\"https:\/\/store.astm.org\/rr-f02-1031.html\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"2112\" data-end=\"2126\">ASTM F1921<\/strong><\/a> definuje standardizovanou metodu testov\u00e1n\u00ed <strong data-start=\"2165\" data-end=\"2191\">pevnost lepen\u00e9ho t\u011bsn\u011bn\u00ed za tepla<\/strong>, co\u017e zaji\u0161\u0165uje reprodukovatelnost a srovnatelnost r\u016fzn\u00fdch f\u00f3li\u00ed a balen\u00ed. V souladu s metodou:<\/p><ul><li data-start=\"2309\" data-end=\"2421\">Dva prou\u017eky f\u00f3lie (nebo slo\u017een\u00fd jeden prou\u017eek) jsou zataveny p\u0159i \u0159\u00edzen\u00e9 teplot\u011b, tlaku a dob\u011b zdr\u017een\u00ed.<\/li><li data-start=\"2424\" data-end=\"2490\">Po otev\u0159en\u00ed t\u011bsnic\u00edch \u010delist\u00ed se f\u00f3lie okam\u017eit\u011b rozt\u00e1hne.<\/li><li data-start=\"2493\" data-end=\"2574\">S\u00edla pot\u0159ebn\u00e1 k odd\u011blen\u00ed t\u011bsn\u011bn\u00ed se m\u011b\u0159\u00ed jako <strong data-start=\"2552\" data-end=\"2573\">pevnost p\u0159i lepen\u00ed za tepla<\/strong>.<\/li><\/ul>\t\t\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<div class=\"elementor-element elementor-element-3d5b749 e-flex e-con-boxed e-con e-parent\" data-id=\"3d5b749\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2cec194 elementor-widget elementor-widget-heading\" data-id=\"2cec194\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Dva p\u0159\u00edstupy k testov\u00e1n\u00ed podle normy ASTM F1921<\/h3>\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<div class=\"elementor-element elementor-element-daadb08 e-flex e-con-boxed e-con e-parent\" data-id=\"daadb08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48ea62d elementor-widget elementor-widget-text-editor\" data-id=\"48ea62d\" data-element_type=\"widget\" data-e-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\t\t<ul><li data-start=\"2623\" data-end=\"2900\"><strong data-start=\"2623\" data-end=\"2657\">Metoda A - syst\u00e9my s pevn\u00fdm zpo\u017ed\u011bn\u00edm<\/strong>:<br data-start=\"2658\" data-end=\"2661\" \/>Po zataven\u00ed projde vzorek v\u00fdrobcem definovanou prodlevou, ne\u017e se uchopova\u010de zasunou. S\u00edla se m\u011b\u0159\u00ed ve stanoven\u00fdch \u010dasov\u00fdch intervalech b\u011bhem chlazen\u00ed. Tato metoda odr\u00e1\u017e\u00ed <strong data-start=\"2841\" data-end=\"2867\">pevnost lepen\u00e9ho t\u011bsn\u011bn\u00ed za tepla<\/strong> b\u011bhem r\u016fzn\u00fdch f\u00e1z\u00ed chlazen\u00ed.<\/li><li data-start=\"2904\" data-end=\"3176\"><strong data-start=\"2904\" data-end=\"2941\">Metoda B - syst\u00e9my s prom\u011bnn\u00fdm zpo\u017ed\u011bn\u00edm<\/strong>:<br data-start=\"2942\" data-end=\"2945\" \/>Dobu zpo\u017ed\u011bn\u00ed si zvol\u00ed u\u017eivatel a za\u0159\u00edzen\u00ed ur\u010d\u00ed maxim\u00e1ln\u00ed s\u00edlu pot\u0159ebnou k p\u0159eru\u0161en\u00ed pe\u010det\u011b po uplynut\u00ed t\u00e9to doby. Tato metoda umo\u017e\u0148uje p\u0159esnou kontrolu a porovn\u00e1n\u00ed pevnosti t\u011bsn\u011bn\u00ed p\u0159i r\u016fzn\u00fdch intervalech chlazen\u00ed.<\/li><\/ul>\t\t\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<div class=\"elementor-element elementor-element-9d37ec4 e-flex e-con-boxed e-con e-parent\" data-id=\"9d37ec4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-28dd1ca elementor-widget elementor-widget-heading\" data-id=\"28dd1ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Doporu\u010den\u00e9 vybaven\u00ed pro zkou\u0161ku pevnosti za tepla<\/h2>\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<div class=\"elementor-element elementor-element-894c2d6 e-flex e-con-boxed e-con e-parent\" data-id=\"894c2d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-19626e8 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"19626e8\" data-element_type=\"widget\" data-e-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\t\t<p data-start=\"3234\" data-end=\"3466\">K p\u0159esn\u00e9mu proveden\u00ed tohoto testu je zapot\u0159eb\u00ed spolehliv\u00fd a p\u0159esn\u00fd p\u0159\u00edstroj. <strong data-start=\"3290\" data-end=\"3309\">zkou\u0161e\u010dka lepivosti za tepla<\/strong> je z\u00e1sadn\u00ed. Doporu\u010dujeme <strong data-start=\"3341\" data-end=\"3377\">Cell Instruments <a href=\"https:\/\/www.hottacktest.com\/cs\/\">Tester za tepla<\/a><\/strong>, kter\u00fd je pln\u011b v souladu s <strong data-start=\"3405\" data-end=\"3419\">ASTM F1921<\/strong> a podporuje metodu A i B.<\/p><p data-start=\"3468\" data-end=\"3493\"><strong data-start=\"3468\" data-end=\"3492\">Mezi hlavn\u00ed funkce pat\u0159\u00ed<\/strong>:<\/p><ul><li data-start=\"3497\" data-end=\"3556\">Nez\u00e1visl\u00e9 \u0159\u00edzen\u00ed teploty, tlaku a \u010dasu t\u011bsn\u011bn\u00ed<\/li><li data-start=\"3559\" data-end=\"3612\">Variabiln\u00ed nastaven\u00ed doby zpo\u017ed\u011bn\u00ed a automatick\u00e9 zatahov\u00e1n\u00ed<\/li><li data-start=\"3615\" data-end=\"3658\">Vykreslov\u00e1n\u00ed k\u0159ivky s\u00edla-posun v re\u00e1ln\u00e9m \u010dase<\/li><li data-start=\"3661\" data-end=\"3725\">Kompatibilita s r\u016fzn\u00fdmi strukturami f\u00f3li\u00ed pou\u017e\u00edvan\u00fdch p\u0159i balen\u00ed \u010daje<\/li><\/ul><p data-start=\"3727\" data-end=\"3867\">Pou\u017eit\u00ed takov\u00e9ho p\u0159\u00edstroje umo\u017e\u0148uje u\u017eivatel\u016fm ur\u010dit optim\u00e1ln\u00ed podm\u00ednky ut\u011bsn\u011bn\u00ed, \u0159e\u0161it probl\u00e9my ve v\u00fdrob\u011b a zlep\u0161it kvalitu balen\u00ed.<\/p>\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-e691fc6 elementor-widget elementor-widget-video\" data-id=\"e691fc6\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=BrWEqIbLUgI&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\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<div class=\"elementor-element elementor-element-a2cd38d e-flex e-con-boxed e-con e-parent\" data-id=\"a2cd38d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a79a7c5 elementor-widget elementor-widget-heading\" data-id=\"a79a7c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Osv\u011bd\u010den\u00e9 postupy pro testov\u00e1n\u00ed balen\u00ed \u010daje za horka<\/h2>\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<div class=\"elementor-element elementor-element-2455475 e-flex e-con-boxed e-con e-parent\" data-id=\"2455475\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e3604a elementor-widget elementor-widget-text-editor\" data-id=\"9e3604a\" data-element_type=\"widget\" data-e-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\t\t<p data-start=\"3923\" data-end=\"4024\">P\u0159i implementaci <strong data-start=\"3941\" data-end=\"3962\">pevnost p\u0159i lepen\u00ed za tepla<\/strong> p\u0159i balen\u00ed \u010daje, m\u011bjte na pam\u011bti n\u00e1sleduj\u00edc\u00ed postupy:<\/p><ul><li data-start=\"4028\" data-end=\"4123\"><strong data-start=\"4028\" data-end=\"4061\">D\u016fsledn\u00e1 p\u0159\u00edprava vzork\u016f<\/strong>: Pou\u017eijte vzorky f\u00f3lie, kter\u00e9 p\u0159edstavuj\u00ed skute\u010dn\u00e9 podm\u00ednky balen\u00ed.<\/li><li data-start=\"4126\" data-end=\"4227\"><strong data-start=\"4126\" data-end=\"4156\">P\u0159esn\u00e9 \u0159\u00edzen\u00ed parametr\u016f<\/strong>: B\u011bhem testov\u00e1n\u00ed udr\u017eujte st\u00e1lou teplotu a tlak t\u011bsnic\u00ed \u010delisti.<\/li><li data-start=\"4230\" data-end=\"4396\"><strong data-start=\"4230\" data-end=\"4257\">Sledov\u00e1n\u00ed zp\u016fsobu selh\u00e1n\u00ed<\/strong>: Vyhodno\u0165te, zda k selh\u00e1n\u00ed doch\u00e1z\u00ed na rozhran\u00ed t\u011bsn\u011bn\u00ed (adhezn\u00ed selh\u00e1n\u00ed), uvnit\u0159 materi\u00e1lu (kohezn\u00ed selh\u00e1n\u00ed) nebo v d\u016fsledku delaminace.<\/li><li data-start=\"4399\" data-end=\"4515\"><strong data-start=\"4399\" data-end=\"4431\">Prov\u00e1d\u011bn\u00ed statistick\u00e9 anal\u00fdzy<\/strong>: Prove\u010fte v\u00edce test\u016f, abyste zajistili spolehlivost \u00fadaj\u016f a pochopili variabilitu materi\u00e1lu.<\/li><\/ul>\t\t\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<div class=\"elementor-element elementor-element-693aa29 e-flex e-con-boxed e-con e-parent\" data-id=\"693aa29\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ca4080 elementor-widget elementor-widget-heading\" data-id=\"9ca4080\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pro\u010d je pro zna\u010dky \u010daje d\u016fle\u017eit\u00e9 testov\u00e1n\u00ed hork\u00fdch p\u0159ilnav\u00fdch materi\u00e1l\u016f?<\/h2>\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<div class=\"elementor-element elementor-element-83caa1d e-flex e-con-boxed e-con e-parent\" data-id=\"83caa1d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c2892a7 elementor-widget elementor-widget-text-editor\" data-id=\"c2892a7\" data-element_type=\"widget\" data-e-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\t\t<p data-start=\"4565\" data-end=\"4738\">Pro v\u00fdrobce \u010daje zvy\u0161uje pevn\u00e1 a konzistentn\u00ed pe\u010de\u0165 trvanlivost, pov\u011bst zna\u010dky a spokojenost spot\u0159ebitel\u016f. Pravideln\u00fdm vyhodnocov\u00e1n\u00edm <strong data-start=\"4707\" data-end=\"4728\">pevnost p\u0159i lepen\u00ed za tepla<\/strong>, m\u016f\u017eete:<\/p><ul><li data-start=\"4742\" data-end=\"4801\">Sn\u00ed\u017een\u00ed po\u010dtu reklamac\u00ed a vr\u00e1cen\u00fdch v\u00fdrobk\u016f kv\u016fli vad\u00e1m obal\u016f.<\/li><li data-start=\"4804\" data-end=\"4867\">Dosa\u017een\u00ed vy\u0161\u0161\u00edch rychlost\u00ed linky bez naru\u0161en\u00ed integrity t\u011bsn\u011bn\u00ed<\/li><li data-start=\"4870\" data-end=\"4929\">Optimalizace materi\u00e1l\u016f a redukce zbyte\u010dn\u00fdch vrstev laminace<\/li><\/ul>\t\t\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<div class=\"elementor-element elementor-element-b091a65 e-flex e-con-boxed e-con e-parent\" data-id=\"b091a65\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d766e4 elementor-widget elementor-widget-heading\" data-id=\"0d766e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Podpora excelence s p\u0159\u00edstroji Cell Instruments<\/h2>\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<div class=\"elementor-element elementor-element-f89caad e-flex e-con-boxed e-con e-parent\" data-id=\"f89caad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8164ea1 elementor-widget elementor-widget-text-editor\" data-id=\"8164ea1\" data-element_type=\"widget\" data-e-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\t\t<p data-start=\"4976\" data-end=\"5234\"><strong data-start=\"4976\" data-end=\"5006\"><a href=\"https:\/\/www.hottacktest.com\/cs\/\">Cell Instruments Co., Ltd<\/a>.<\/strong> poskytuje vysoce v\u00fdkonn\u00e1 testovac\u00ed \u0159e\u0161en\u00ed pro pr\u016fmysl flexibiln\u00edch obal\u016f. N\u00e1\u0161 tester lepivosti za horka je \u0161iroce pou\u017e\u00edv\u00e1n v oblasti <strong data-start=\"5130\" data-end=\"5168\">potravin\u00e1\u0159sk\u00fd, n\u00e1pojov\u00fd a farmaceutick\u00fd pr\u016fmysl<\/strong> odv\u011btv\u00ed, zejm\u00e9na tam, kde je kriticky d\u016fle\u017eit\u00fd v\u00fdkon t\u011bsn\u011bn\u00ed v re\u00e1ln\u00e9m \u010dase.<\/p><p data-start=\"5236\" data-end=\"5390\">A\u0165 u\u017e vyv\u00edj\u00edte nov\u00e9 balen\u00ed \u010daje nebo vylep\u0161ujete st\u00e1vaj\u00edc\u00ed procesy, na\u0161e p\u0159\u00edstroje v\u00e1m poskytnou p\u0159esnost a kontrolu, kterou pot\u0159ebujete k tomu, abyste si udr\u017eeli n\u00e1skok.<\/p>\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-30fa403 elementor-widget elementor-widget-image\" data-id=\"30fa403\" data-element_type=\"widget\" data-e-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\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/07\/HTT-1024x1024.webp\" class=\"attachment-large size-large wp-image-597\" alt=\"mra\u017een\u00e1 zelenina-ASTM F1921\" srcset=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/07\/HTT-1024x1024.webp 1024w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/07\/HTT-300x300.webp 300w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/07\/HTT-150x150.webp 150w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/07\/HTT-768x768.webp 768w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/07\/HTT-12x12.webp 12w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/07\/HTT.webp 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-275bb57 e-flex e-con-boxed e-con e-parent\" data-id=\"275bb57\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e4ca572 elementor-widget elementor-widget-heading\" data-id=\"e4ca572\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u010casto kladen\u00e9 ot\u00e1zky<\/h3>\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<div class=\"elementor-element elementor-element-c17bd3f e-flex e-con-boxed e-con e-parent\" data-id=\"c17bd3f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-66f69fc elementor-widget elementor-widget-text-editor\" data-id=\"66f69fc\" data-element_type=\"widget\" data-e-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\t\t<p data-start=\"5429\" data-end=\"5602\"><strong data-start=\"5429\" data-end=\"5459\">Co je to pevnost p\u0159i lepen\u00ed za tepla?<\/strong><br data-start=\"5459\" data-end=\"5462\" \/>Pevnost p\u0159i lepen\u00ed za tepla je m\u011b\u0159\u00edtkem celistvosti t\u011bsn\u011bn\u00ed bezprost\u0159edn\u011b po procesu t\u011bsn\u011bn\u00ed, ne\u017e t\u011bsn\u011bn\u00ed vychladne na teplotu okol\u00ed.<\/p><p data-start=\"5604\" data-end=\"5799\"><strong data-start=\"5604\" data-end=\"5660\">Pro\u010d je zkou\u0161ka lepivosti za tepla d\u016fle\u017eit\u00e1 pro balen\u00ed \u010daje?<\/strong><br data-start=\"5660\" data-end=\"5663\" \/>Zaji\u0161\u0165uje, aby se tepeln\u00e9 uz\u00e1v\u011bry \u010dajov\u00fdch s\u00e1\u010dk\u016f nebo s\u00e1\u010dk\u016f p\u0159i vysokorychlostn\u00edm balen\u00ed p\u0159ed\u010dasn\u011b neotev\u0159ely, \u010d\u00edm\u017e se zabr\u00e1n\u00ed \u00faniku a ztr\u00e1t\u00e1m produktu.<\/p><p data-start=\"5801\" data-end=\"5977\"><strong data-start=\"5801\" data-end=\"5852\">Kter\u00e1 norma definuje metody zkou\u0161en\u00ed lepivosti za tepla?<\/strong><br data-start=\"5852\" data-end=\"5855\" \/>Norma ASTM F1921 popisuje standardn\u00ed zku\u0161ebn\u00ed metodu pro m\u011b\u0159en\u00ed pevnosti za tepla s pou\u017eit\u00edm syst\u00e9m\u016f s pevn\u00fdm nebo prom\u011bnn\u00fdm zpo\u017ed\u011bn\u00edm.<\/p><p data-start=\"5979\" data-end=\"6173\"><strong data-start=\"5979\" data-end=\"6036\">Jak\u00e9 jsou typick\u00e9 zp\u016fsoby selh\u00e1n\u00ed p\u0159i zkou\u0161k\u00e1ch lepen\u00ed za tepla?<\/strong><br data-start=\"6036\" data-end=\"6039\" \/>Mezi b\u011b\u017en\u00e9 zp\u016fsoby selh\u00e1n\u00ed pat\u0159\u00ed adhezn\u00ed selh\u00e1n\u00ed na rozhran\u00ed, kohezn\u00ed selh\u00e1n\u00ed uvnit\u0159 materi\u00e1lu a delaminace mezi vrstvami.<\/p><p data-start=\"6175\" data-end=\"6340\"><strong data-start=\"6175\" data-end=\"6225\">Mohu touto metodou testovat v\u00edcevrstv\u00e9 filmy?<\/strong><br data-start=\"6225\" data-end=\"6228\" \/>Ano, norma ASTM F1921 podporuje jak jednovrstv\u00e9, tak laminovan\u00e9 f\u00f3lie, v\u010detn\u011b t\u011bch, kter\u00e9 se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed p\u0159i balen\u00ed \u010daje.<\/p>\t\t\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>In flexible packaging, especially in heat-sealed tea bags and pouches, the hot tack strength of the seal plays a vital role in determining product integrity. This test evaluates how well a seal holds immediately after sealing, before it cools completely. Tea packaging materials often include laminated films that require precise sealing conditions. Understanding hot tack [&hellip;]<\/p>\n","protected":false},"author":1,"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-586","post","type-post","status-publish","format-standard","hentry","category-hot-tack-test"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hot Tack Strength Test for Tea Packaging | ASTM F1921- Hot Tack Test<\/title>\n<meta name=\"description\" content=\"Explore the hot tack strength test for tea packaging. 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