{"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\/fi\/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>L\u00e4mp\u00f6kiinnittymislujuus l\u00e4\u00e4kepakkauksissa<\/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=\"L\u00e4\u00e4kepakkausten on l\u00e4p\u00e4ist\u00e4v\u00e4 kuumaliimauskoe\" 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\">ASTM F1921 -standardi joustavien pakkausten tiiviyden mittaamisessa<\/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\">The <strong data-start=\"589\" data-end=\"603\">ASTM F1921<\/strong> standardissa m\u00e4\u00e4ritell\u00e4\u00e4n kriittinen laboratoriomenetelm\u00e4, jota k\u00e4ytet\u00e4\u00e4n arvioimaan <strong data-start=\"671\" data-end=\"692\">kuumaliimauslujuus<\/strong> termoplastisista materiaaleista v\u00e4litt\u00f6m\u00e4sti l\u00e4mp\u00f6saumauksen j\u00e4lkeen ja ennen kuin sauma on j\u00e4\u00e4htynyt ymp\u00e4rist\u00f6n l\u00e4mp\u00f6tilaan. T\u00e4m\u00e4 ominaisuus on olennaisen t\u00e4rke\u00e4 suurilla nopeuksilla <strong data-start=\"841\" data-end=\"875\">muotoilu-, t\u00e4ytt\u00f6- ja sulkemispakkauslinjat<\/strong>, jossa tiivisteiden on kestett\u00e4v\u00e4 rasitusta viel\u00e4 kuumina ja mekaanisesti heikkoina.<\/p><p data-start=\"948\" data-end=\"1309\">K\u00e4yt\u00e4nn\u00f6ss\u00e4, <strong data-start=\"968\" data-end=\"982\">ASTM F1921<\/strong> auttaa valmistajia selvitt\u00e4m\u00e4\u00e4n, kest\u00e4\u00e4k\u00f6 kuumasaumattu kalvo pakkausprosessin aikana kohdistuvat voimat rikkoutumatta. T\u00e4m\u00e4n vuoksi se on erityisen arvokas <strong data-start=\"1158\" data-end=\"1239\">l\u00e4\u00e4kepakkaukset, elintarvikepakkaukset ja l\u00e4\u00e4ketieteelliset steriilisuojaj\u00e4rjestelm\u00e4t<\/strong>, jossa tiivisteen kunto vaikuttaa suoraan tuotteen turvallisuuteen ja vaatimustenmukaisuuteen.<\/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\">Miksi kuumaliimauslujuudella on merkityst\u00e4 l\u00e4\u00e4kepakkauksissa<\/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\">Vuonna <strong data-start=\"1469\" data-end=\"1505\">l\u00e4\u00e4kepakkausten j\u00e4rjestelm\u00e4t<\/strong>, tiivisteet joutuvat usein mekaanisen rasituksen kohteeksi heti muodostumisensa j\u00e4lkeen. Jos <strong data-start=\"1584\" data-end=\"1605\">kuumaliimauslujuus<\/strong> jos se ei riit\u00e4, tiivisteet voivat avautua tai v\u00e4\u00e4nty\u00e4 ennen j\u00e4\u00e4htymist\u00e4, mik\u00e4 voi aiheuttaa saastumisriskej\u00e4 tai tuotteen hylk\u00e4\u00e4misen.<\/p><p data-start=\"1718\" data-end=\"1961\">The <strong data-start=\"1722\" data-end=\"1739\">kuumakiinnitystesti<\/strong> ASTM F1921 -standardissa m\u00e4\u00e4ritelty menetelm\u00e4 mittaa t\u00e4t\u00e4 varhaisvaiheen tiiviytt\u00e4 kohdistamalla hallittuja irrotusvoimia j\u00e4\u00e4hdytysvaiheen aikana. T\u00e4m\u00e4 antaa realistisen kuvan siit\u00e4, miten pakkausmateriaalit k\u00e4ytt\u00e4ytyv\u00e4t tuotanto-olosuhteissa.<\/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\">ASTM F1921 -standardin mukaisen arvioinnin Hot Tack Tester -toiminto<\/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\">kuumaliimausmittari<\/strong> on keskeinen laite, jota k\u00e4ytet\u00e4\u00e4n ASTM F1921 -menettelyjen toteuttamiseen. Se simuloi tiivistymist\u00e4, hallittua j\u00e4\u00e4hdytyst\u00e4 ja v\u00e4lit\u00f6nt\u00e4 irtoamista m\u00e4\u00e4ritellyiss\u00e4 olosuhteissa, kuten:<\/p><ul data-start=\"2212\" data-end=\"2297\"><li data-section-id=\"1do3oe7\" data-start=\"2212\" data-end=\"2235\">Tiivistysl\u00e4mp\u00f6tila<\/li><li data-section-id=\"1lfmgaz\" data-start=\"2236\" data-end=\"2250\">Viipym\u00e4aika<\/li><li data-section-id=\"l8b1w6\" data-start=\"2251\" data-end=\"2271\">Tiivistyspaine<\/li><li data-section-id=\"14fg5e3\" data-start=\"2272\" data-end=\"2297\">Kahvan irrotusnopeus<\/li><\/ul><p data-start=\"2299\" data-end=\"2458\">Testauslaite tallentaa <strong data-start=\"2322\" data-end=\"2354\">suurin irrotusvoima ajan funktiona<\/strong>, jolloin saadaan aikaan kuumaliimausk\u00e4yr\u00e4, joka kuvaa materiaalin suorituskyky\u00e4 eri tiivistysl\u00e4mp\u00f6tiloissa.<\/p><p data-start=\"2460\" data-end=\"2680\">Cell Instruments tarjoaa edistyksellisi\u00e4 ratkaisuja, kuten <strong data-start=\"2517\" data-end=\"2547\">Hot Tack -testauslaite, HTT-sarja<\/strong>, joka tukee sek\u00e4 ASTM F1921 -standardin menetelm\u00e4\u00e4 A ett\u00e4 menetelm\u00e4\u00e4 B, mik\u00e4 takaa vaatimustenmukaisuuden ja erinomaisen toistettavuuden teollisuuden laadunvarmistuslaboratorioille.<\/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 -standardin testausperiaate ja -menettely<\/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\">L\u00e4mp\u00f6tiivisteen muodostuminen ja v\u00e4lit\u00f6n irrotettavuuden arviointi<\/h3><p data-start=\"2798\" data-end=\"2940\">ASTM F1921 -menetelm\u00e4ss\u00e4 muodostetaan aluksi l\u00e4mp\u00f6sulku kahden termoplastisen kerroksen v\u00e4lille hallitussa paineessa ja l\u00e4mp\u00f6tilassa. Sulkemisen j\u00e4lkeen:<\/p><ul data-start=\"2942\" data-end=\"3136\"><li data-section-id=\"xfcsdt\" data-start=\"2942\" data-end=\"3029\">Suljettu n\u00e4yte siirret\u00e4\u00e4n automaattisesti kontrolloituun n\u00e4ytteenottovaiheeseen<\/li><li data-section-id=\"1y50d3t\" data-start=\"3030\" data-end=\"3071\">Kahvat irtoavat toisistaan ennalta m\u00e4\u00e4ritetyll\u00e4 nopeudella<\/li><li data-section-id=\"njso5a\" data-start=\"3072\" data-end=\"3136\">Tiivisteen irrottamiseen tarvittavaa voimaa mitataan jatkuvasti<\/li><\/ul><p data-start=\"3138\" data-end=\"3297\">T\u00e4ss\u00e4 prosessissa ker\u00e4t\u00e4\u00e4n <strong data-start=\"3164\" data-end=\"3210\">kuumaliimauslujuuden kehitys j\u00e4\u00e4htymisen aikana<\/strong>, mik\u00e4 on olennaista, jotta voidaan ymm\u00e4rt\u00e4\u00e4 tiivisteen kest\u00e4vyytt\u00e4 todellisissa tuotantoymp\u00e4rist\u00f6iss\u00e4.<\/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\">ASTM F1921 -standardissa m\u00e4\u00e4ritellyt testausmenetelm\u00e4t<\/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\">Menetelm\u00e4 A \u2013 Kiinte\u00e4n viiveen j\u00e4\u00e4hdytyksen arviointi<\/h3><p data-start=\"3390\" data-end=\"3575\">Menetelm\u00e4ss\u00e4 A mitataan kuumaliimauslujuus ennalta m\u00e4\u00e4ritellyill\u00e4 j\u00e4\u00e4hdytysv\u00e4leill\u00e4 kiinte\u00e4n viiveen j\u00e4lkeen. T\u00e4m\u00e4 menetelm\u00e4 tuottaa yksityiskohtaisen <strong data-start=\"3511\" data-end=\"3528\">j\u00e4\u00e4hdytysk\u00e4yr\u00e4<\/strong>, joka osoittaa, miten sinetin lujuus kehittyy ajan my\u00f6t\u00e4.<\/p><p data-start=\"3577\" data-end=\"3609\">Tyypillisi\u00e4 piirteit\u00e4 ovat:<\/p><ul data-start=\"3611\" data-end=\"3739\"><li data-section-id=\"1r2tus8\" data-start=\"3611\" data-end=\"3645\">Kiinte\u00e4 viive ennen mittausta<\/li><li data-section-id=\"g3x3e8\" data-start=\"3646\" data-end=\"3684\">Voimamittaukset useista ajankohdista<\/li><li data-section-id=\"kbyhok\" data-start=\"3685\" data-end=\"3739\">J\u00e4\u00e4hdytysk\u00e4yr\u00e4n laatiminen materiaalien vertailua varten<\/li><\/ul><p data-start=\"3741\" data-end=\"3810\">T\u00e4t\u00e4 menetelm\u00e4\u00e4 k\u00e4ytet\u00e4\u00e4n laajalti materiaalien tutkimuksessa ja kehityksess\u00e4 sek\u00e4 vertailuanalyyseiss\u00e4.<\/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\">Menetelm\u00e4 B \u2013 Huippuvoiman mittaus vaihtelevalla viiveell\u00e4<\/h3><p data-start=\"3871\" data-end=\"4088\">Menetelm\u00e4 B keskittyy mittaamaan <strong data-start=\"3905\" data-end=\"3934\">suurin kuumaliimauslujuus<\/strong> k\u00e4ytt\u00e4j\u00e4n m\u00e4\u00e4ritt\u00e4m\u00e4n viiveen j\u00e4lkeen. Se sopii erityisen hyvin tuotannon laadunvalvontaan, jossa huippusuorituskyky on t\u00e4rke\u00e4mp\u00e4\u00e4 kuin k\u00e4yr\u00e4n kokonaisanalyysi.<\/p><p data-start=\"4090\" data-end=\"4118\">T\u00e4rkeimpi\u00e4 ominaisuuksia ovat:<\/p><ul data-start=\"4120\" data-end=\"4229\"><li data-section-id=\"met80u\" data-start=\"4120\" data-end=\"4147\">Muuttuvat viiveasetukset<\/li><li data-section-id=\"3szyy5\" data-start=\"4148\" data-end=\"4187\">Suurimman voiman tunnistus irrottamisen aikana<\/li><li data-section-id=\"dhnbgm\" data-start=\"4188\" data-end=\"4229\">Nopeampi arviointi laadunvalvontaymp\u00e4rist\u00f6iss\u00e4<\/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\">ASTM F1921 -standardin keskeiset testausparametrit<\/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\">ASTM F1921 -standardissa korostetaan tiivistys- ja testausolosuhteiden tiukkaa valvontaa toistettavuuden varmistamiseksi:<\/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\">Viipym\u00e4aika<\/strong> vaihtelee kalvon paksuuden mukaan (tyypillinen vaihteluv\u00e4li 0,5\u20132,5 s)<\/li><li data-section-id=\"o6uc05\" data-start=\"4461\" data-end=\"4509\"><strong data-start=\"4463\" data-end=\"4483\">Tiivistyspaine<\/strong> vaihtelee v\u00e4lill\u00e4 15\u201330 N\/cm\u00b2<\/li><li data-section-id=\"u2m8a3\" data-start=\"4510\" data-end=\"4555\"><strong data-start=\"4512\" data-end=\"4526\">Kuorintanopeus<\/strong> yleens\u00e4 asetettu arvoon 200 mm\/min<\/li><li data-section-id=\"1w1hhma\" data-start=\"4556\" data-end=\"4629\"><strong data-start=\"4558\" data-end=\"4588\">Useita l\u00e4mp\u00f6tilavaiheita<\/strong> k\u00e4ytet\u00e4\u00e4n kuumaliimausk\u00e4yr\u00e4n laatimiseen<\/li><\/ul><p data-start=\"4631\" data-end=\"4706\">N\u00e4m\u00e4 parametrit varmistavat, ett\u00e4 tulokset vastaavat pakkausten todellista k\u00e4ytt\u00e4ytymist\u00e4.<\/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\">Vikatilojen analysointi kuumaliimauskokeissa<\/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\">ASTM F1921 -standardissa vaaditaan vikatyyppien yksityiskohtaista dokumentointia, joka voi sis\u00e4lt\u00e4\u00e4 seuraavia seikkoja:<\/p><ul data-start=\"4840\" data-end=\"4983\"><li data-section-id=\"c5ccgp\" data-start=\"4840\" data-end=\"4873\">Liimausvirhe rajapinnalla<\/li><li data-section-id=\"f8h15p\" data-start=\"4874\" data-end=\"4912\">Tiivistyskerroksen sis\u00e4inen murtuma<\/li><li data-section-id=\"1lk3j3x\" data-start=\"4913\" data-end=\"4934\">Kalvon irtoaminen<\/li><li data-section-id=\"13bvrj6\" data-start=\"4935\" data-end=\"4955\">Materiaalin murtuminen<\/li><li data-section-id=\"wy1zh8\" data-start=\"4956\" data-end=\"4983\">Venym\u00e4 ennen murtumista<\/li><\/ul><p data-start=\"4985\" data-end=\"5119\">Vikatilojen luokittelu on olennaisen t\u00e4rke\u00e4\u00e4, jotta voidaan selvitt\u00e4\u00e4, johtuvatko rajoitukset materiaalin rakenteesta vai tiivistysolosuhteista.<\/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\">Cell Instrumentsin Hot Tack -testauslaite standardin ASTM F1921 mukaisesti<\/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\">Cell Instruments kehitt\u00e4\u00e4 edistyksellisi\u00e4 <strong data-start=\"5662\" data-end=\"5689\">kuumaliimauskest\u00e4vyystestausj\u00e4rjestelm\u00e4t<\/strong> suunniteltu nimenomaan ASTM F1921 -standardin vaatimusten mukaisesti. HTT-sarja tarjoaa:<\/p><ul data-start=\"5763\" data-end=\"5962\"><li data-section-id=\"2icpvp\" data-start=\"5763\" data-end=\"5798\">Tarkka PID-l\u00e4mp\u00f6tilans\u00e4\u00e4t\u00f6<\/li><li data-section-id=\"zixvs2\" data-start=\"5799\" data-end=\"5835\">Automaattinen sulkemis- ja avaamissykli<\/li><li data-section-id=\"1ak0c9g\" data-start=\"5836\" data-end=\"5873\">Menetelm\u00e4n A ja menetelm\u00e4n B tuki<\/li><li data-section-id=\"1aelrgv\" data-start=\"5874\" data-end=\"5926\">Teollisuuden vaatimusten mukaiset suurinopeustestit<\/li><li data-section-id=\"1dckeg4\" data-start=\"5927\" data-end=\"5962\">Vakaa PLC-pohjainen ohjausj\u00e4rjestelm\u00e4<\/li><\/ul><p data-start=\"5964\" data-end=\"6152\">J\u00e4rjestelm\u00e4 takaa yhdenmukaisen mittauksen <strong data-start=\"6009\" data-end=\"6059\">l\u00e4mp\u00f6liimauslujuus l\u00e4\u00e4kepakkauksissa<\/strong>, auttaen laboratorioita ja valmistajia noudattamaan s\u00e4\u00e4ntely- ja laadunvarmistusvaatimuksia.<\/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 -kuumaliimauskest\u00e4vyystestauslaite l\u00e4\u00e4kkeiden pakkausten lujuuden mittaamiseen\" 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>Usein kysyttyj\u00e4 kysymyksi\u00e4 standardista ASTM F1921<\/h2><p><strong>Mihin ASTM F1921 -standardia k\u00e4ytet\u00e4\u00e4n?<\/strong><br \/>ASTM F1921 -standardia k\u00e4ytet\u00e4\u00e4n mittaamaan termoplastisten kalvojen kuumasaumojen tarttuvuuslujuutta ennen niiden j\u00e4\u00e4htymist\u00e4, mik\u00e4 auttaa arvioimaan pakkauksen suorituskyky\u00e4 tuotannon aikana.<\/p><p><strong>Miksi kuumaliimauslujuus on t\u00e4rke\u00e4\u00e4 pakkauksissa?<br \/><\/strong>Kuuman liimauslujuuden ansiosta tiivisteet kest\u00e4v\u00e4t rasitusta heti muodostumisen j\u00e4lkeen, mik\u00e4 est\u00e4\u00e4 tiivisteiden pett\u00e4misen suurinopeuksisissa pakkausprosesseissa.<\/p><p><strong>Mik\u00e4 on menetelm\u00e4n A ja menetelm\u00e4n B v\u00e4linen ero?<br \/><\/strong>Menetelm\u00e4ss\u00e4 A mitataan kuumaliimauslujuutta j\u00e4\u00e4hdytysk\u00e4yr\u00e4n aikana, kun taas menetelm\u00e4ss\u00e4 B keskityt\u00e4\u00e4n suurimpaan voimaan tietyn viiveajan j\u00e4lkeen.<\/p><p><strong>Miss\u00e4 toimialoilla k\u00e4ytet\u00e4\u00e4n kuumaliimauskokeita?<br \/><\/strong>Sit\u00e4 k\u00e4ytet\u00e4\u00e4n laajalti l\u00e4\u00e4ke-, elintarvike- ja l\u00e4\u00e4kinn\u00e4llisten laitteiden pakkausteollisuudessa sek\u00e4 liimojen ja joustavien kalvojen valmistuksessa.<\/p><p><strong>Mit\u00e4 laitteita k\u00e4ytet\u00e4\u00e4n ASTM F1921 -testauksessa?<br \/><\/strong>Kuumaliimausmittaria, kuten Cell Instrumentsin HTT-sarjan laitetta, k\u00e4ytet\u00e4\u00e4n hallittujen tiivistys- ja irrotustestien suorittamiseen standardin <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 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;]<\/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\/fi\/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\/fi\/wp-json\/wp\/v2\/posts\/2626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/comments?post=2626"}],"version-history":[{"count":5,"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/posts\/2626\/revisions"}],"predecessor-version":[{"id":2639,"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/posts\/2626\/revisions\/2639"}],"wp:attachment":[{"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/media?parent=2626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/categories?post=2626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/fi\/wp-json\/wp\/v2\/tags?post=2626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}