{"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\/sl\/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>Trdnost pri vro\u010dem lepljenju za farmacevtske embala\u017ee<\/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=\"farmacevtska embala\u017ea mora prestati preskus toplotne lepljivosti\" 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\">Standard ASTM F1921 o zmogljivosti tesnjenja pro\u017enih embala\u017e<\/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\">Spletna stran <strong data-start=\"589\" data-end=\"603\">ASTM F1921<\/strong> Standard opredeljuje klju\u010dno laboratorijsko metodo, ki se uporablja za ocenjevanje <strong data-start=\"671\" data-end=\"692\">trdnost pri vro\u010dem lepljenju<\/strong> termoplasti\u010dnih materialov takoj po toplotnem zatesnjevanju in preden se zatesnitev ohladi na sobno temperaturo. Ta lastnost je bistvena pri visokih hitrostih <strong data-start=\"841\" data-end=\"875\">pakirne linije za oblikovanje, polnjenje in zapiranje<\/strong>, kjer morajo tesnila vzdr\u017eati obremenitve, medtem ko so \u0161e vro\u010da in mehansko \u0161ibka.<\/p><p data-start=\"948\" data-end=\"1309\">V praksi to pomeni, da, <strong data-start=\"968\" data-end=\"982\">ASTM F1921<\/strong> proizvajalcem pomaga ugotoviti, ali lahko toplotno zatesnjena folija brez po\u0161kodb prenese sile, ki delujejo nanjo med pakiranjem. Zaradi tega je \u0161e posebej koristna za <strong data-start=\"1158\" data-end=\"1239\">farmacevtska embala\u017ea, embala\u017ea za \u017eivila in medicinski sistemi za sterilno pregradno za\u0161\u010dito<\/strong>, kjer celovitost tesnila neposredno vpliva na varnost izdelka in skladnost z zahtevami.<\/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\">Zakaj je trdnost pri vro\u010dem lepljenju pomembna pri farmacevtskih embala\u017eah<\/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\">sistemi za pakiranje farmacevtskih izdelkov<\/strong>, tesnila so pogosto izpostavljena mehanskim obremenitvam takoj po vgradnji. \u010ce je <strong data-start=\"1584\" data-end=\"1605\">trdnost pri vro\u010dem lepljenju<\/strong> \u010de je to nezadostno, se lahko tesnila odprejo ali deformirajo \u0161e pred ohlajenjem, kar povzro\u010da tveganje onesna\u017eenja ali zavrnitev izdelka.<\/p><p data-start=\"1718\" data-end=\"1961\">Spletna stran <strong data-start=\"1722\" data-end=\"1739\">preskus toplotne oprijemljivosti<\/strong> Standard ASTM F1921 meri odpornost tesnila v zgodnji fazi z uporabo nadzorovanih sil lu\u0161\u010denja med fazo ohlajanja. To omogo\u010da realisti\u010den vpogled v obna\u0161anje embala\u017enih materialov v proizvodnih pogojih.<\/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\">Funkcija naprave za presku\u0161anje lepljivosti v okviru ocenjevanja po standardu 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\">naprava za merjenje lepljivosti<\/strong> je osrednji instrument, ki se uporablja za izvajanje postopkov po standardu ASTM F1921. Simulira tesnjenje, nadzorovano ohlajevanje in takoj\u0161njo lo\u010ditev z lupljenjem pod dolo\u010denimi pogoji, kot so:<\/p><ul data-start=\"2212\" data-end=\"2297\"><li data-section-id=\"1do3oe7\" data-start=\"2212\" data-end=\"2235\">Temperatura tesnjenja<\/li><li data-section-id=\"1lfmgaz\" data-start=\"2236\" data-end=\"2250\">\u010cas zadr\u017eevanja<\/li><li data-section-id=\"l8b1w6\" data-start=\"2251\" data-end=\"2271\">Tlak tesnjenja<\/li><li data-section-id=\"14fg5e3\" data-start=\"2272\" data-end=\"2297\">Hitrost lo\u010devanja prijemal<\/li><\/ul><p data-start=\"2299\" data-end=\"2458\">Tester zabele\u017ei <strong data-start=\"2322\" data-end=\"2354\">najve\u010dja sila lupljenja v odvisnosti od \u010dasa<\/strong>, pri \u010demer se ustvari krivulja toplotne oprijemljivosti, ki prikazuje lastnosti materiala pri razli\u010dnih temperaturah tesnjenja.<\/p><p data-start=\"2460\" data-end=\"2680\">Podjetje Cell Instruments ponuja napredne re\u0161itve, kot so <strong data-start=\"2517\" data-end=\"2547\">Naprava za merjenje lepljivosti serije HTT<\/strong>, ki podpira tako metodo A kot metodo B standarda ASTM F1921, s \u010dimer zagotavlja skladnost in visoko ponovljivost za industrijske laboratorije za zagotavljanje kakovosti.<\/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\">Na\u010delo in potek preskusa po standardu ASTM F1921<\/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\">Oblikovanje toplotnega tesnila in ocena takoj\u0161njega lu\u0161\u010denja<\/h3><p data-start=\"2798\" data-end=\"2940\">Metoda ASTM F1921 se za\u010dne z oblikovanjem toplotnega spoja med dvema termoplasti\u010dnima plastema pod nadzorovanim tlakom in temperaturo. Po spajanju:<\/p><ul data-start=\"2942\" data-end=\"3136\"><li data-section-id=\"xfcsdt\" data-start=\"2942\" data-end=\"3029\">Zape\u010dateni vzorec se samodejno prenese v fazo nadzorovanega odvzema<\/li><li data-section-id=\"1y50d3t\" data-start=\"3030\" data-end=\"3071\">Ro\u010daji se lo\u010dijo pri dolo\u010deni hitrosti<\/li><li data-section-id=\"njso5a\" data-start=\"3072\" data-end=\"3136\">Sila, potrebna za odstranitev tesnila, se neprekinjeno meri<\/li><\/ul><p data-start=\"3138\" data-end=\"3297\">Ta postopek zajema <strong data-start=\"3164\" data-end=\"3210\">spreminjanje trdnosti vro\u010dega spoja med ohlajanjem<\/strong>, kar je klju\u010dnega pomena za razumevanje zanesljivosti tesnil v dejanskih proizvodnih okoljih.<\/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\">Preskusne metode, opredeljene v standardu 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 Ocena hlajenja s fiksnim zamikom<\/h3><p data-start=\"3390\" data-end=\"3575\">Metoda A meri trdnost pri vro\u010dem lepljenju v vnaprej dolo\u010denih intervalih ohlajevanja po fiksnem \u010dasovnem zamiku. Ta metoda zagotavlja podrobno <strong data-start=\"3511\" data-end=\"3528\">krivulja hlajenja<\/strong>, ki prikazuje, kako se trdnost tesnila razvija s \u010dasom.<\/p><p data-start=\"3577\" data-end=\"3609\">Med tipi\u010dne zna\u010dilnosti spadajo:<\/p><ul data-start=\"3611\" data-end=\"3739\"><li data-section-id=\"1r2tus8\" data-start=\"3611\" data-end=\"3645\">Fiksna zakasnitev pred merjenjem<\/li><li data-section-id=\"g3x3e8\" data-start=\"3646\" data-end=\"3684\">Meritve sile v ve\u010d \u010dasovnih to\u010dkah<\/li><li data-section-id=\"kbyhok\" data-start=\"3685\" data-end=\"3739\">Izdelava krivulje hlajenja za primerjavo materialov<\/li><\/ul><p data-start=\"3741\" data-end=\"3810\">Ta metoda se pogosto uporablja pri raziskavah in razvoju materialov ter pri primerjalnih analizah.<\/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 Merjenje najve\u010dje sile s spremenljivim zamikom<\/h3><p data-start=\"3871\" data-end=\"4088\">Metoda B se osredoto\u010da na merjenje <strong data-start=\"3905\" data-end=\"3934\">najve\u010dja toplotna oprijemljivost<\/strong> po zamiku, ki ga dolo\u010di uporabnik. Posebej je primeren za nadzor kakovosti v proizvodnji, kjer je najve\u010dja zmogljivost pomembnej\u0161a od analize celotne krivulje.<\/p><p data-start=\"4090\" data-end=\"4118\">Med klju\u010dne zna\u010dilnosti spadajo:<\/p><ul data-start=\"4120\" data-end=\"4229\"><li data-section-id=\"met80u\" data-start=\"4120\" data-end=\"4147\">Nastavitve spremenljivega zamika<\/li><li data-section-id=\"3szyy5\" data-start=\"4148\" data-end=\"4187\">Zaznavanje najve\u010dje sile med lupljenjem<\/li><li data-section-id=\"dhnbgm\" data-start=\"4188\" data-end=\"4229\">Hitrej\u0161e ocenjevanje v okoljih za nadzor kakovosti<\/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\">Klju\u010dni preskusni parametri v standardu 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\">Standard ASTM F1921 poudarja strogo nadzorovanje pogojev tesnjenja in presku\u0161anja, da se zagotovi ponovljivost:<\/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\">\u010cas zadr\u017eevanja<\/strong> se razlikuje glede na debelino filma (tipi\u010dno v razponu od 0,5 s do 2,5 s)<\/li><li data-section-id=\"o6uc05\" data-start=\"4461\" data-end=\"4509\"><strong data-start=\"4463\" data-end=\"4483\">Tlak tesnjenja<\/strong> se giblje med 15\u201330 N\/cm\u00b2<\/li><li data-section-id=\"u2m8a3\" data-start=\"4510\" data-end=\"4555\"><strong data-start=\"4512\" data-end=\"4526\">Hitrost lupljenja<\/strong> obi\u010dajno nastavljena na 200 mm\/min<\/li><li data-section-id=\"1w1hhma\" data-start=\"4556\" data-end=\"4629\"><strong data-start=\"4558\" data-end=\"4588\">Ve\u010d temperaturnih stopenj<\/strong> se uporabljajo za izdelavo krivulje toplotne oprijemljivosti<\/li><\/ul><p data-start=\"4631\" data-end=\"4706\">Ti parametri zagotavljajo, da rezultati odra\u017eajo dejansko obna\u0161anje embala\u017ee.<\/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\">Analiza na\u010dinov okvare pri preskusu z vro\u010dim pritrditvenim testom<\/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\">Standard ASTM F1921 zahteva podrobno dokumentacijo na\u010dinov okvar, ki lahko vklju\u010duje:<\/p><ul data-start=\"4840\" data-end=\"4983\"><li data-section-id=\"c5ccgp\" data-start=\"4840\" data-end=\"4873\">Odlepitev na sti\u010dni ploskvi<\/li><li data-section-id=\"f8h15p\" data-start=\"4874\" data-end=\"4912\">Poru\u0161itev kohezije znotraj tesnilnega sloja<\/li><li data-section-id=\"1lk3j3x\" data-start=\"4913\" data-end=\"4934\">Odlepljanje folije<\/li><li data-section-id=\"13bvrj6\" data-start=\"4935\" data-end=\"4955\">Pretrganje materiala<\/li><li data-section-id=\"wy1zh8\" data-start=\"4956\" data-end=\"4983\">Raztezek pred pretrganjem<\/li><\/ul><p data-start=\"4985\" data-end=\"5119\">Razvrstitev na\u010dinov okvar je bistvena za ugotavljanje, ali omejitve izhajajo iz strukture materiala ali iz pogojev tesnjenja.<\/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\">Merilnik takta taljenja pod pritiskom podjetja Cell Instruments za standard 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\">Podjetje Cell Instruments razvija napredne <strong data-start=\"5662\" data-end=\"5689\">sistemi za presku\u0161anje toplotne oprijemljivosti<\/strong> zasnovana posebej za skladnost s standardom ASTM F1921. Serija HTT ponuja:<\/p><ul data-start=\"5763\" data-end=\"5962\"><li data-section-id=\"2icpvp\" data-start=\"5763\" data-end=\"5798\">Natan\u010dno PID-reguliranje temperature<\/li><li data-section-id=\"zixvs2\" data-start=\"5799\" data-end=\"5835\">Avtomatiziran cikel zapiranja in odpiranja<\/li><li data-section-id=\"1ak0c9g\" data-start=\"5836\" data-end=\"5873\">Podpora za metodo A in metodo B<\/li><li data-section-id=\"1aelrgv\" data-start=\"5874\" data-end=\"5926\">Visokohitrostno testiranje v skladu z industrijskimi zahtevami<\/li><li data-section-id=\"1dckeg4\" data-start=\"5927\" data-end=\"5962\">Stabilen krmilni sistem na osnovi PLC-ja<\/li><\/ul><p data-start=\"5964\" data-end=\"6152\">Sistem zagotavlja dosledno merjenje <strong data-start=\"6009\" data-end=\"6059\">trdnost pri vro\u010dem lepljenju za farmacevtske embala\u017ee<\/strong>, s \u010dimer pomaga laboratorijem in proizvajalcem pri upo\u0161tevanju predpisov in standardov zagotavljanja kakovosti.<\/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=\"ASTM F1921 \u2013 naprava za presku\u0161anje takoj\u0161nje oprijemljivosti pri visoki temperaturi za preizku\u0161anje trdnosti farmacevtskih embala\u017e\" 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>Pogosta vpra\u0161anja o standardu ASTM F1921<\/h2><p><strong>Za kaj se uporablja standard ASTM F1921?<\/strong><br \/>Standard ASTM F1921 se uporablja za merjenje takoj\u0161nje trdnosti toplotnih zatesnitev v termoplasti\u010dnih folijah, preden se ohladijo, kar pomaga pri ocenjevanju u\u010dinkovitosti embala\u017ee med proizvodnjo.<\/p><p><strong>Zakaj je trdnost pri vro\u010dem lepljenju pomembna pri pakiranju?<br \/><\/strong>Trdnost vro\u010dega spoja zagotavlja, da tesnila takoj po oblikovanju prenesejo obremenitve, s \u010dimer se prepre\u010di okvara tesnila med visokohitrostnimi pakirnimi procesi.<\/p><p><strong>Kak\u0161na je razlika med metodo A in metodo B?<br \/><\/strong>Metoda A meri takoj\u0161njo oprijemljivost ob krivulji ohlajanja, medtem ko se metoda B osredoto\u010da na najve\u010djo silo po dolo\u010denem \u010dasovnem zamiku.<\/p><p><strong>V katerih panogah se uporablja preskus z vro\u010dim lepljenjem?<br \/><\/strong>\u0160iroko se uporablja v farmacevtski industriji, prehrambeni industriji, pri pakiranju medicinskih pripomo\u010dkov, pri proizvodnji lepil ter pri proizvodnji pro\u017enih folij.<\/p><p><strong>Kateri instrumenti se uporabljajo za preskuse po standardu ASTM F1921?<br \/><\/strong>Naprava za presku\u0161anje vro\u010dega lepljenja, kot je serija HTT podjetja Cell Instruments, se uporablja za izvajanje kontroliranih preskusov tesnjenja in lu\u0161\u010denja v skladu z <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 Trdnost pri vro\u010dem lepljenju za farmacevtske embala\u017ee; ASTM F1921 \u2013 Zmogljivost tesnjenja pri pro\u017enih embala\u017eah Standard ASTM F1921 opredeljuje klju\u010dno laboratorijsko metodo, ki se uporablja za ocenjevanje trdnosti pri vro\u010dem lepljenju termoplasti\u010dnih materialov takoj po toplotnem tesnjenju in preden se tesnilo ohladi na sobno temperaturo. Ta lastnost je bistvena v visokohitrostnih pakirnih linijah za oblikovanje, polnjenje in zapiranje, kjer [\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\/sl\/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\/sl\/wp-json\/wp\/v2\/posts\/2626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/comments?post=2626"}],"version-history":[{"count":5,"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/posts\/2626\/revisions"}],"predecessor-version":[{"id":2639,"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/posts\/2626\/revisions\/2639"}],"wp:attachment":[{"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/media?parent=2626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/categories?post=2626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/sl\/wp-json\/wp\/v2\/tags?post=2626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}