{"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\/pt\/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>Resist\u00eancia \u00e0 ader\u00eancia a quente para embalagens farmac\u00eauticas<\/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=\"As embalagens farmac\u00eauticas necessitam de um teste de ader\u00eancia a quente\" 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 relativa ao desempenho da veda\u00e7\u00e3o em embalagens flex\u00edveis<\/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\">O <strong data-start=\"589\" data-end=\"603\">ASTM F1921<\/strong> A norma define um m\u00e9todo laboratorial cr\u00edtico utilizado para avaliar o <strong data-start=\"671\" data-end=\"692\">resist\u00eancia \u00e0 ader\u00eancia a quente<\/strong> dos materiais termopl\u00e1sticos imediatamente ap\u00f3s a selagem a quente e antes de a selagem arrefecer at\u00e9 atingir a temperatura ambiente. Esta propriedade \u00e9 essencial em aplica\u00e7\u00f5es de alta velocidade <strong data-start=\"841\" data-end=\"875\">linhas de embalagem do tipo \u00abformar-encher-selar\u00bb<\/strong>, onde as juntas t\u00eam de resistir \u00e0 tens\u00e3o enquanto ainda est\u00e3o quentes e mecanicamente fr\u00e1geis.<\/p><p data-start=\"948\" data-end=\"1309\">Na pr\u00e1tica, <strong data-start=\"968\" data-end=\"982\">ASTM F1921<\/strong> ajuda os fabricantes a determinar se uma pel\u00edcula selada a quente consegue resistir \u00e0s for\u00e7as aplicadas durante as opera\u00e7\u00f5es de embalagem sem falhar. Isto torna-a particularmente valiosa para <strong data-start=\"1158\" data-end=\"1239\">embalagens farmac\u00eauticas, embalagens alimentares e sistemas de barreira est\u00e9ril para uso m\u00e9dico<\/strong>, onde a integridade da veda\u00e7\u00e3o tem um impacto direto na seguran\u00e7a do produto e na conformidade.<\/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\">Por que raz\u00e3o a resist\u00eancia ao teste \u00abHot Tack\u00bb \u00e9 importante nas embalagens farmac\u00eauticas<\/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\">Em <strong data-start=\"1469\" data-end=\"1505\">sistemas de embalagem farmac\u00eautica<\/strong>, as juntas s\u00e3o frequentemente submetidas a tens\u00f5es mec\u00e2nicas imediatamente ap\u00f3s a sua forma\u00e7\u00e3o. Se a <strong data-start=\"1584\" data-end=\"1605\">resist\u00eancia \u00e0 ader\u00eancia a quente<\/strong> se for insuficiente, as veda\u00e7\u00f5es podem abrir-se ou deformar-se antes do arrefecimento, o que acarreta riscos de contamina\u00e7\u00e3o ou a rejei\u00e7\u00e3o do produto.<\/p><p data-start=\"1718\" data-end=\"1961\">O <strong data-start=\"1722\" data-end=\"1739\">ensaio de ader\u00eancia a quente<\/strong> A norma ASTM F1921 define um m\u00e9todo para medir esta resist\u00eancia da veda\u00e7\u00e3o numa fase inicial, atrav\u00e9s da aplica\u00e7\u00e3o de for\u00e7as de descolagem controladas durante a fase de arrefecimento. Isto proporciona uma vis\u00e3o realista do comportamento dos materiais de embalagem em condi\u00e7\u00f5es de produ\u00e7\u00e3o.<\/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\">Fun\u00e7\u00e3o do testador de ader\u00eancia a quente na avalia\u00e7\u00e3o segundo a norma 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\">testador de ader\u00eancia a quente<\/strong> \u00e9 o principal instrumento utilizado para a execu\u00e7\u00e3o dos procedimentos da norma ASTM F1921. Simula a veda\u00e7\u00e3o, o arrefecimento controlado e a separa\u00e7\u00e3o imediata por descascamento em condi\u00e7\u00f5es definidas, tais como:<\/p><ul data-start=\"2212\" data-end=\"2297\"><li data-section-id=\"1do3oe7\" data-start=\"2212\" data-end=\"2235\">Temperatura de selagem<\/li><li data-section-id=\"1lfmgaz\" data-start=\"2236\" data-end=\"2250\">Tempo de perman\u00eancia<\/li><li data-section-id=\"l8b1w6\" data-start=\"2251\" data-end=\"2271\">Press\u00e3o de veda\u00e7\u00e3o<\/li><li data-section-id=\"14fg5e3\" data-start=\"2272\" data-end=\"2297\">Velocidade de separa\u00e7\u00e3o da pin\u00e7a<\/li><\/ul><p data-start=\"2299\" data-end=\"2458\">O testador regista o <strong data-start=\"2322\" data-end=\"2354\">for\u00e7a m\u00e1xima de descolagem ao longo do tempo<\/strong>, gerando uma curva de ader\u00eancia a quente que indica o desempenho do material em diferentes temperaturas de selagem.<\/p><p data-start=\"2460\" data-end=\"2680\">A Cell Instruments fornece solu\u00e7\u00f5es avan\u00e7adas, tais como o <strong data-start=\"2517\" data-end=\"2547\">Testador de ader\u00eancia a quente da s\u00e9rie HTT<\/strong>, que suporta tanto o M\u00e9todo A como o M\u00e9todo B da norma ASTM F1921, garantindo a conformidade e uma elevada repetibilidade para laborat\u00f3rios industriais de controlo de qualidade.<\/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\">Princ\u00edpio e processo de ensaio da norma 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\">Forma\u00e7\u00e3o da selagem t\u00e9rmica e avalia\u00e7\u00e3o da separa\u00e7\u00e3o imediata<\/h3><p data-start=\"2798\" data-end=\"2940\">O m\u00e9todo ASTM F1921 come\u00e7a por formar uma selagem t\u00e9rmica entre duas camadas termopl\u00e1sticas sob press\u00e3o e temperatura controladas. Ap\u00f3s a selagem:<\/p><ul data-start=\"2942\" data-end=\"3136\"><li data-section-id=\"xfcsdt\" data-start=\"2942\" data-end=\"3029\">A amostra selada \u00e9 transferida automaticamente para uma fase de retirada controlada<\/li><li data-section-id=\"1y50d3t\" data-start=\"3030\" data-end=\"3071\">As garras separam-se a uma velocidade definida<\/li><li data-section-id=\"njso5a\" data-start=\"3072\" data-end=\"3136\">A for\u00e7a necess\u00e1ria para retirar o selo \u00e9 medida continuamente<\/li><\/ul><p data-start=\"3138\" data-end=\"3297\">Este processo capta o <strong data-start=\"3164\" data-end=\"3210\">Evolu\u00e7\u00e3o da resist\u00eancia \u00e0 ader\u00eancia a quente durante o arrefecimento<\/strong>, o que \u00e9 essencial para compreender a robustez do selo em ambientes de produ\u00e7\u00e3o reais.<\/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\">M\u00e9todos de ensaio definidos na norma 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\">M\u00e9todo A \u2013 Avalia\u00e7\u00e3o do arrefecimento com atraso fixo<\/h3><p data-start=\"3390\" data-end=\"3575\">O M\u00e9todo A regista a resist\u00eancia \u00e0 ader\u00eancia a quente em intervalos de arrefecimento predefinidos, ap\u00f3s um atraso fixo. Este m\u00e9todo gera um relat\u00f3rio detalhado <strong data-start=\"3511\" data-end=\"3528\">curva de arrefecimento<\/strong>, mostrando como a resist\u00eancia da veda\u00e7\u00e3o evolui ao longo do tempo.<\/p><p data-start=\"3577\" data-end=\"3609\">As caracter\u00edsticas t\u00edpicas incluem:<\/p><ul data-start=\"3611\" data-end=\"3739\"><li data-section-id=\"1r2tus8\" data-start=\"3611\" data-end=\"3645\">Atraso fixo antes da medi\u00e7\u00e3o<\/li><li data-section-id=\"g3x3e8\" data-start=\"3646\" data-end=\"3684\">Leituras de for\u00e7a em v\u00e1rios momentos<\/li><li data-section-id=\"kbyhok\" data-start=\"3685\" data-end=\"3739\">Elabora\u00e7\u00e3o de curvas de arrefecimento para compara\u00e7\u00e3o de materiais<\/li><\/ul><p data-start=\"3741\" data-end=\"3810\">Este m\u00e9todo \u00e9 amplamente utilizado na investiga\u00e7\u00e3o e desenvolvimento de materiais e na an\u00e1lise comparativa.<\/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\">M\u00e9todo B \u2013 Medi\u00e7\u00e3o da for\u00e7a de pico com atraso vari\u00e1vel<\/h3><p data-start=\"3871\" data-end=\"4088\">O M\u00e9todo B centra-se na medi\u00e7\u00e3o do <strong data-start=\"3905\" data-end=\"3934\">resist\u00eancia m\u00e1xima \u00e0 ader\u00eancia a quente<\/strong> ap\u00f3s um atraso definido pelo utilizador. \u00c9 particularmente adequado para o controlo de qualidade na produ\u00e7\u00e3o, onde o desempenho m\u00e1ximo \u00e9 mais importante do que a an\u00e1lise completa da curva.<\/p><p data-start=\"4090\" data-end=\"4118\">As principais caracter\u00edsticas incluem:<\/p><ul data-start=\"4120\" data-end=\"4229\"><li data-section-id=\"met80u\" data-start=\"4120\" data-end=\"4147\">Defini\u00e7\u00f5es de atraso vari\u00e1vel<\/li><li data-section-id=\"3szyy5\" data-start=\"4148\" data-end=\"4187\">Detec\u00e7\u00e3o da for\u00e7a m\u00e1xima durante a separa\u00e7\u00e3o<\/li><li data-section-id=\"dhnbgm\" data-start=\"4188\" data-end=\"4229\">Avalia\u00e7\u00e3o mais r\u00e1pida para ambientes de controlo de qualidade<\/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\">Par\u00e2metros-chave de ensaio na norma 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\">A norma ASTM F1921 salienta a import\u00e2ncia de um controlo rigoroso das condi\u00e7\u00f5es de veda\u00e7\u00e3o e de ensaio, a fim de garantir a reprodutibilidade:<\/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\">Tempo de perman\u00eancia<\/strong> varia em fun\u00e7\u00e3o da espessura da pel\u00edcula (intervalo t\u00edpico de 0,5 s a 2,5 s)<\/li><li data-section-id=\"o6uc05\" data-start=\"4461\" data-end=\"4509\"><strong data-start=\"4463\" data-end=\"4483\">Press\u00e3o de veda\u00e7\u00e3o<\/strong> varia entre 15 e 30 N\/cm\u00b2<\/li><li data-section-id=\"u2m8a3\" data-start=\"4510\" data-end=\"4555\"><strong data-start=\"4512\" data-end=\"4526\">Velocidade de descasque<\/strong> normalmente fixada em 200 mm\/min<\/li><li data-section-id=\"1w1hhma\" data-start=\"4556\" data-end=\"4629\"><strong data-start=\"4558\" data-end=\"4588\">V\u00e1rios n\u00edveis de temperatura<\/strong> s\u00e3o utilizados para tra\u00e7ar uma curva de ader\u00eancia a quente<\/li><\/ul><p data-start=\"4631\" data-end=\"4706\">Estes par\u00e2metros garantem que os resultados reflitam o comportamento real das embalagens.<\/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\">An\u00e1lise dos modos de falha nos ensaios de ader\u00eancia a quente<\/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\">A norma ASTM F1921 exige uma documenta\u00e7\u00e3o detalhada dos modos de falha, que podem incluir:<\/p><ul data-start=\"4840\" data-end=\"4983\"><li data-section-id=\"c5ccgp\" data-start=\"4840\" data-end=\"4873\">Falha de ader\u00eancia na interface<\/li><li data-section-id=\"f8h15p\" data-start=\"4874\" data-end=\"4912\">Falha coesiva na camada de veda\u00e7\u00e3o<\/li><li data-section-id=\"1lk3j3x\" data-start=\"4913\" data-end=\"4934\">Descolamento da pel\u00edcula<\/li><li data-section-id=\"13bvrj6\" data-start=\"4935\" data-end=\"4955\">Ruptura do material<\/li><li data-section-id=\"wy1zh8\" data-start=\"4956\" data-end=\"4983\">Alongamento antes da ruptura<\/li><\/ul><p data-start=\"4985\" data-end=\"5119\">A classifica\u00e7\u00e3o dos modos de falha \u00e9 essencial para determinar se as limita\u00e7\u00f5es t\u00eam origem na estrutura do material ou nas condi\u00e7\u00f5es de veda\u00e7\u00e3o.<\/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\">Testador de ader\u00eancia a quente da Cell Instruments para a norma 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\">A Cell Instruments desenvolve tecnologia avan\u00e7ada <strong data-start=\"5662\" data-end=\"5689\">sistemas de teste de ader\u00eancia a quente<\/strong> concebida especificamente para cumprir a norma ASTM F1921. A s\u00e9rie HTT oferece:<\/p><ul data-start=\"5763\" data-end=\"5962\"><li data-section-id=\"2icpvp\" data-start=\"5763\" data-end=\"5798\">Controlo preciso da temperatura por PID<\/li><li data-section-id=\"zixvs2\" data-start=\"5799\" data-end=\"5835\">Ciclo automatizado de selagem e descascamento<\/li><li data-section-id=\"1ak0c9g\" data-start=\"5836\" data-end=\"5873\">Apoio ao M\u00e9todo A e ao M\u00e9todo B<\/li><li data-section-id=\"1aelrgv\" data-start=\"5874\" data-end=\"5926\">Ensaios de alta velocidade em conformidade com os requisitos industriais<\/li><li data-section-id=\"1dckeg4\" data-start=\"5927\" data-end=\"5962\">Sistema de controlo est\u00e1vel baseado em PLC<\/li><\/ul><p data-start=\"5964\" data-end=\"6152\">O sistema garante uma medi\u00e7\u00e3o consistente de <strong data-start=\"6009\" data-end=\"6059\">resist\u00eancia \u00e0 ader\u00eancia a quente para embalagens farmac\u00eauticas<\/strong>, ajudando laborat\u00f3rios e fabricantes a cumprir as normas regulamentares e de garantia de qualidade.<\/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=\"Testador de ader\u00eancia a quente ASTM F1921 para a resist\u00eancia das embalagens farmac\u00eauticas\" 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>Perguntas frequentes sobre a norma ASTM F1921<\/h2><p><strong>Para que serve a norma ASTM F1921?<\/strong><br \/>A norma ASTM F1921 \u00e9 utilizada para medir a resist\u00eancia \u00e0 ader\u00eancia a quente das selagens t\u00e9rmicas em pel\u00edculas termopl\u00e1sticas antes de arrefecerem, ajudando a avaliar o desempenho da embalagem durante a produ\u00e7\u00e3o.<\/p><p><strong>Por que raz\u00e3o a resist\u00eancia \u00e0 ader\u00eancia a quente \u00e9 importante nas embalagens?<br \/><\/strong>A resist\u00eancia \u00e0 ader\u00eancia a quente garante que as selagens consigam resistir \u00e0 tens\u00e3o imediatamente ap\u00f3s a sua forma\u00e7\u00e3o, evitando a falha das selagens durante os processos de embalagem a alta velocidade.<\/p><p><strong>Qual \u00e9 a diferen\u00e7a entre o M\u00e9todo A e o M\u00e9todo B?<br \/><\/strong>O M\u00e9todo A mede a resist\u00eancia \u00e0 ader\u00eancia a quente ao longo de uma curva de arrefecimento, enquanto o M\u00e9todo B se centra na for\u00e7a m\u00e1xima ap\u00f3s um determinado tempo de espera.<\/p><p><strong>Que setores recorrem aos ensaios de ader\u00eancia a quente?<br \/><\/strong>\u00c9 amplamente utilizado nas ind\u00fastrias farmac\u00eautica, alimentar, de embalagens de dispositivos m\u00e9dicos, de adesivos e de fabrico de pel\u00edculas flex\u00edveis.<\/p><p><strong>Que instrumentos s\u00e3o utilizados nos ensaios segundo a norma ASTM F1921?<br \/><\/strong>Um testador de ader\u00eancia a quente, como o da s\u00e9rie HTT da Cell Instruments, \u00e9 utilizado para realizar ensaios controlados de selagem e descolagem, de acordo com <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\/pt\/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\/pt\/wp-json\/wp\/v2\/posts\/2626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/comments?post=2626"}],"version-history":[{"count":5,"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/posts\/2626\/revisions"}],"predecessor-version":[{"id":2639,"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/posts\/2626\/revisions\/2639"}],"wp:attachment":[{"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/media?parent=2626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/categories?post=2626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pharmacopoeiatest.com\/pt\/wp-json\/wp\/v2\/tags?post=2626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}