{"id":1215,"date":"2025-07-11T00:42:24","date_gmt":"2025-07-11T00:42:24","guid":{"rendered":"https:\/\/www.gelbotest.com\/?p=1215"},"modified":"2025-07-17T02:09:16","modified_gmt":"2025-07-17T02:09:16","slug":"inner-sealing-layer-gelbo-test","status":"publish","type":"post","link":"https:\/\/www.gelbotest.com\/fr\/inner-sealing-layer-gelbo-test\/","title":{"rendered":"Durabilit\u00e9 de la couche d'\u00e9tanch\u00e9it\u00e9 interne : explication de la m\u00e9thode d'essai Gelbo et de la norme ASTM F392"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1215\" class=\"elementor elementor-1215\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37909c0 e-flex e-con-boxed e-con e-parent\" data-id=\"37909c0\" 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-018d23d elementor-widget elementor-widget-heading\" data-id=\"018d23d\" 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<h1 class=\"elementor-heading-title elementor-size-default\">R\u00e9sistance \u00e0 la flexion et performances barri\u00e8res de la couche d'\u00e9tanch\u00e9it\u00e9 interne<\/h1>\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-e67e3da e-flex e-con-boxed e-con e-parent\" data-id=\"e67e3da\" 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-0b5561d elementor-widget elementor-widget-text-editor\" data-id=\"0b5561d\" 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=\"328\" data-end=\"795\">Dans le domaine de l'emballage souple, le <strong data-start=\"355\" data-end=\"378\">couche d'\u00e9tanch\u00e9it\u00e9 interne<\/strong> joue un r\u00f4le essentiel dans la pr\u00e9servation de l'int\u00e9grit\u00e9 du produit, notamment pendant le transport et la manutention. Cette couche doit non seulement assurer une soudure thermique fiable, mais aussi r\u00e9sister aux dommages caus\u00e9s par des contraintes m\u00e9caniques telles que le pliage, le froissement ou la torsion. Pour garantir des performances \u00e9lev\u00e9es, les fabricants s'appuient sur des essais normalis\u00e9s tels que le <strong data-start=\"697\" data-end=\"718\">m\u00e9thode de test Gelbo<\/strong> (ASTM F392) et des instruments sp\u00e9cialis\u00e9s tels que le <strong data-start=\"768\" data-end=\"794\">testeur de durabilit\u00e9 de flexion<\/strong>.<\/p><p data-start=\"797\" data-end=\"1070\">Durabilit\u00e9 du <strong data-start=\"815\" data-end=\"838\">couche d'\u00e9tanch\u00e9it\u00e9 interne<\/strong> est particuli\u00e8rement crucial dans <strong data-start=\"867\" data-end=\"904\">alimentaire, pharmaceutique et m\u00e9dical<\/strong> emballage. Une couche interne endommag\u00e9e peut entra\u00eener <strong data-start=\"956\" data-end=\"982\">fuites, contamination<\/strong>, voire une d\u00e9faillance totale du joint d'\u00e9tanch\u00e9it\u00e9, entra\u00eenant des pertes de produit et une baisse de la confiance des consommateurs.<\/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-d40ee87 e-flex e-con-boxed e-con e-parent\" data-id=\"d40ee87\" 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-418bf93 elementor-widget elementor-widget-heading\" data-id=\"418bf93\" 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\">M\u00e9thode d'essai Gelbo, appareil d'essai de r\u00e9sistance \u00e0 la flexion et norme ASTM F392<\/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-a5379e6 e-flex e-con-boxed e-con e-parent\" data-id=\"a5379e6\" 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-9e38f6f elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"9e38f6f\" 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=\"1139\" data-end=\"1448\">Afin d'\u00e9valuer la fiabilit\u00e9 de la <strong data-start=\"1172\" data-end=\"1195\">couche d'\u00e9tanch\u00e9it\u00e9 interne<\/strong> dans des conditions r\u00e9elles, le <strong data-start=\"1229\" data-end=\"1250\">m\u00e9thode de test Gelbo<\/strong> est devenue une r\u00e9f\u00e9rence dans le secteur. Cette proc\u00e9dure, d\u00e9crite dans <a href=\"https:\/\/www.gelbotest.com\/fr\/astm-f392\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"1314\" data-end=\"1327\">ASTM F392<\/strong><\/a>, simule les flexions et torsions r\u00e9p\u00e9t\u00e9es auxquelles sont soumis les films d'emballage lors de la manutention, du remplissage, du scellage et du transport.\u00a0<\/p><p data-start=\"1450\" data-end=\"1567\">Le <strong data-start=\"1454\" data-end=\"1480\">testeur de durabilit\u00e9 de flexion<\/strong>\u2014comme <strong data-start=\"1486\" data-end=\"1532\">GFT-01 \u00e0 quatre stations d'essai de Cell Instruments<\/strong>\u2014effectue le mouvement \u00ab Gelbo Flex \u00bb en :<\/p><ul data-start=\"1568\" data-end=\"1758\"><li data-start=\"1568\" data-end=\"1624\"><p data-start=\"1570\" data-end=\"1624\">Appliquer un <strong data-start=\"1581\" data-end=\"1595\">torsion de 440\u00b0<\/strong> sur les 90 premiers millim\u00e8tres de course<\/p><\/li><li data-start=\"1625\" data-end=\"1672\"><p data-start=\"1627\" data-end=\"1672\">Et ensuite, un <strong data-start=\"1644\" data-end=\"1672\">Compression lin\u00e9aire de 65 mm<\/strong><\/p><\/li><li data-start=\"1673\" data-end=\"1758\"><p data-start=\"1675\" data-end=\"1758\">R\u00e9p\u00e9ter ce cycle <strong data-start=\"1696\" data-end=\"1719\">45 fois par minute<\/strong>, en simulant une fatigue m\u00e9canique intense<\/p><\/li><\/ul>\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-0d00741 elementor-widget__width-initial elementor-widget elementor-widget-video\" data-id=\"0d00741\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=Nj8bnZ9Wc0U&quot;,&quot;mute&quot;:&quot;yes&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;play_on_mobile&quot;:&quot;yes&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-b81ee0a e-flex e-con-boxed e-con e-parent\" data-id=\"b81ee0a\" 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-e688141 elementor-widget elementor-widget-text-editor\" data-id=\"e688141\" 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=\"1760\" data-end=\"1985\">Ce test permet de d\u00e9terminer si le <strong data-start=\"1790\" data-end=\"1813\">couche d'\u00e9tanch\u00e9it\u00e9 interne<\/strong> et les mat\u00e9riaux adjacents peuvent r\u00e9sister \u00e0 des contraintes de flexion <strong data-start=\"1863\" data-end=\"1901\">sans former de trous d'\u00e9pingle ni de fissures<\/strong>. Si de telles d\u00e9faillances apparaissent, les propri\u00e9t\u00e9s de barri\u00e8re et la fiabilit\u00e9 de l'\u00e9tanch\u00e9it\u00e9 s'en trouvent compromises.<\/p><p data-start=\"1987\" data-end=\"2128\"><a href=\"https:\/\/www.gelbotest.com\/fr\/astm-f392\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"1987\" data-end=\"2000\">ASTM F392<\/strong><\/a> garantit que les r\u00e9sultats des tests sont coh\u00e9rents, reproductibles et refl\u00e8tent les contraintes r\u00e9elles. Elle s'av\u00e8re particuli\u00e8rement utile dans les domaines suivants :<\/p><ul data-start=\"2129\" data-end=\"2363\"><li data-start=\"2129\" data-end=\"2205\"><p data-start=\"2131\" data-end=\"2205\"><strong data-start=\"2131\" data-end=\"2157\">Lamin\u00e9s \u00e0 haute barri\u00e8re<\/strong> utilis\u00e9 pour le conditionnement sous vide ou sous atmosph\u00e8re modifi\u00e9e<\/p><\/li><li data-start=\"2206\" data-end=\"2282\"><p data-start=\"2208\" data-end=\"2282\"><strong data-start=\"2208\" data-end=\"2227\">Trousses m\u00e9dicales<\/strong> qui sont soumis \u00e0 une st\u00e9rilisation et \u00e0 des manipulations m\u00e9caniques<\/p><\/li><li data-start=\"2283\" data-end=\"2363\"><p data-start=\"2285\" data-end=\"2363\"><strong data-start=\"2285\" data-end=\"2319\">Films m\u00e9tallis\u00e9s ou enduits d'EVOH<\/strong> lorsque l'apparition de fissures peut nuire aux performances<\/p><\/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-49eb4df e-flex e-con-boxed e-con e-parent\" data-id=\"49eb4df\" 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-052c308 elementor-widget elementor-widget-heading\" data-id=\"052c308\" 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\">Pourquoi la durabilit\u00e9 de la couche d'\u00e9tanch\u00e9it\u00e9 interne est-elle importante ?<\/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-bbecb3e e-flex e-con-boxed e-con e-parent\" data-id=\"bbecb3e\" 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-03bb817 elementor-widget elementor-widget-text-editor\" data-id=\"03bb817\" 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=\"2418\" data-end=\"2671\">Le <strong data-start=\"2422\" data-end=\"2445\">couche d'\u00e9tanch\u00e9it\u00e9 interne<\/strong> est g\u00e9n\u00e9ralement compos\u00e9 de polym\u00e8res thermoscellables tels que <strong data-start=\"2499\" data-end=\"2521\">LDPE, LLDPE ou PP<\/strong>, en fonction des exigences en mati\u00e8re d'emballage. Sa souplesse, son adh\u00e9rence et sa r\u00e9sistance d\u00e9terminent dans quelle mesure l'emballage final conserve son \u00e9tanch\u00e9it\u00e9 et son int\u00e9grit\u00e9.<\/p><p data-start=\"2673\" data-end=\"2720\">Une faible r\u00e9sistance \u00e0 la flexion de cette couche peut entra\u00eener :<\/p><ul data-start=\"2721\" data-end=\"2938\"><li data-start=\"2721\" data-end=\"2772\"><p data-start=\"2723\" data-end=\"2772\"><strong data-start=\"2723\" data-end=\"2739\">Microfissures<\/strong> qui se transforment en <strong data-start=\"2755\" data-end=\"2772\">fuites par de minuscules trous<\/strong><\/p><\/li><li data-start=\"2773\" data-end=\"2845\"><p data-start=\"2775\" data-end=\"2845\">En promotion <strong data-start=\"2783\" data-end=\"2808\">efficacit\u00e9 de la barri\u00e8re<\/strong>, ce qui permet la p\u00e9n\u00e9tration d'oxyg\u00e8ne ou d'humidit\u00e9<\/p><\/li><li data-start=\"2846\" data-end=\"2887\"><p data-start=\"2848\" data-end=\"2887\">Affaiblissement du joint ou <strong data-start=\"2866\" data-end=\"2887\">d\u00e9lamination du joint<\/strong><\/p><\/li><li data-start=\"2888\" data-end=\"2938\"><p data-start=\"2890\" data-end=\"2938\"><strong data-start=\"2890\" data-end=\"2914\">Dur\u00e9e de conservation r\u00e9duite<\/strong> ou <strong data-start=\"2918\" data-end=\"2938\">d\u00e9t\u00e9rioration des produits<\/strong><\/p><\/li><\/ul><p data-start=\"2940\" data-end=\"3126\">En utilisant un <strong data-start=\"2951\" data-end=\"2977\">testeur de durabilit\u00e9 de flexion<\/strong> En quantifiant la r\u00e9sistance \u00e0 la rupture sous contrainte de flexion, les fabricants obtiennent des informations pr\u00e9cieuses sur l'ad\u00e9quation des mat\u00e9riaux, les performances d'\u00e9tanch\u00e9it\u00e9 et l'optimisation de la conception.<\/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-d8a9c4c e-flex e-con-boxed e-con e-parent\" data-id=\"d8a9c4c\" 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-807b66b elementor-widget elementor-widget-heading\" data-id=\"807b66b\" 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\">Applications dans les secteurs alimentaire, m\u00e9dical et industriel<\/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-843409b e-flex e-con-boxed e-con e-parent\" data-id=\"843409b\" 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-b52d276 elementor-widget elementor-widget-text-editor\" data-id=\"b52d276\" 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=\"3192\" data-end=\"3286\">Le <strong data-start=\"3196\" data-end=\"3219\">couche d'\u00e9tanch\u00e9it\u00e9 interne<\/strong> est soumis \u00e0 des d\u00e9formations fr\u00e9quentes dans de nombreuses applications d'emballage :<\/p><ul data-start=\"3287\" data-end=\"3541\"><li data-start=\"3287\" data-end=\"3359\"><p data-start=\"3289\" data-end=\"3359\"><strong data-start=\"3289\" data-end=\"3315\">Sachets et pochettes pour en-cas<\/strong> subir des plis et des d\u00e9formations pendant le transport<\/p><\/li><li data-start=\"3360\" data-end=\"3442\"><p data-start=\"3362\" data-end=\"3442\"><strong data-start=\"3362\" data-end=\"3390\">Emballage des dispositifs m\u00e9dicaux<\/strong> doivent r\u00e9sister sans faille aux processus de st\u00e9rilisation<\/p><\/li><li data-start=\"3443\" data-end=\"3541\"><p data-start=\"3445\" data-end=\"3541\"><strong data-start=\"3445\" data-end=\"3465\">Films industriels<\/strong>, telles que les g\u00e9omembranes, doivent r\u00e9sister aux contraintes r\u00e9p\u00e9t\u00e9es li\u00e9es au pliage ou au d\u00e9ploiement<\/p><\/li><\/ul><p data-start=\"3543\" data-end=\"3619\">Dans ces cas-l\u00e0, <strong data-start=\"3559\" data-end=\"3586\">essai de durabilit\u00e9 de la flexion<\/strong> Le joint int\u00e9rieur permet d'\u00e9viter :<\/p><ul data-start=\"3620\" data-end=\"3757\"><li data-start=\"3620\" data-end=\"3647\"><p data-start=\"3622\" data-end=\"3647\">Non-respect de la r\u00e9glementation<\/p><\/li><li data-start=\"3648\" data-end=\"3698\"><p data-start=\"3650\" data-end=\"3698\">Surconception des mat\u00e9riaux (ce qui augmente les co\u00fbts)<\/p><\/li><li data-start=\"3699\" data-end=\"3757\"><p data-start=\"3701\" data-end=\"3757\">Rappels de produits li\u00e9s \u00e0 l'emballage ou r\u00e9clamations de clients concernant des fuites<\/p><\/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-d70981c e-flex e-con-boxed e-con e-parent\" data-id=\"d70981c\" 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-7917783 elementor-widget elementor-widget-heading\" data-id=\"7917783\" 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\">Tests avanc\u00e9s avec les instruments cellulaires GFT-01<\/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-36a8233 e-flex e-con-boxed e-con e-parent\" data-id=\"36a8233\" 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-876b6f9 elementor-widget elementor-widget-text-editor\" data-id=\"876b6f9\" 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=\"3815\" data-end=\"4031\">Le<a href=\"https:\/\/www.gelbotest.com\/fr\/\" target=\"_blank\" rel=\"noopener\"> <strong data-start=\"3819\" data-end=\"3852\">Testeur de r\u00e9sistance \u00e0 la flexion GFT-01<\/strong><\/a> par <strong data-start=\"3856\" data-end=\"3876\">Instruments cellulaires<\/strong> automatise le <strong data-start=\"3891\" data-end=\"3922\">M\u00e9thode d'essai \u00ab Gelbo \u00bb selon la norme ASTM F392<\/strong> avec pr\u00e9cision et fiabilit\u00e9. Con\u00e7u pour <strong data-start=\"3968\" data-end=\"4010\">essai simultan\u00e9 de quatre \u00e9chantillons<\/strong>, cet appareil offre :<\/p><ul data-start=\"4032\" data-end=\"4291\"><li data-start=\"4032\" data-end=\"4107\"><p data-start=\"4034\" data-end=\"4107\"><strong data-start=\"4034\" data-end=\"4065\">Programmes d'entra\u00eenement personnalisables<\/strong> (par exemple, 900, 2 700 ou un nombre de cycles d\u00e9fini par l'utilisateur)<\/p><\/li><li data-start=\"4108\" data-end=\"4171\"><p data-start=\"4110\" data-end=\"4171\"><strong data-start=\"4110\" data-end=\"4142\">Mouvement m\u00e9canique r\u00e9gulier<\/strong>, en \u00e9liminant les variations humaines<\/p><\/li><li data-start=\"4172\" data-end=\"4227\"><p data-start=\"4174\" data-end=\"4227\"><strong data-start=\"4174\" data-end=\"4227\">Prise en charge de diff\u00e9rents formats de film et types de lamin\u00e9s<\/strong><\/p><\/li><li data-start=\"4228\" data-end=\"4291\"><p data-start=\"4230\" data-end=\"4291\">Tests efficaces et \u00e0 haut d\u00e9bit destin\u00e9s aux services de R&amp;D et d'assurance qualit\u00e9<\/p><\/li><\/ul><p data-start=\"4293\" data-end=\"4550\">Gr\u00e2ce au GFT-01, les utilisateurs peuvent rapidement identifier <strong data-start=\"4345\" data-end=\"4368\">faiblesses significatives<\/strong>, d'am\u00e9liorer la conception des emballages et de valider les performances des films dans des conditions de fatigue par flexion. Cela permet d'am\u00e9liorer la qualit\u00e9 des produits tout en r\u00e9duisant les taux de d\u00e9faillance et l'insatisfaction des clients.<\/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-256e7f2 e-flex e-con-boxed e-con e-parent\" data-id=\"256e7f2\" 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-ee9e1a9 elementor-widget elementor-widget-heading\" data-id=\"ee9e1a9\" 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\">Conclusion<\/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-13056fb e-flex e-con-boxed e-con e-parent\" data-id=\"13056fb\" 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-b15eaa9 elementor-widget elementor-widget-text-editor\" data-id=\"b15eaa9\" 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=\"4573\" data-end=\"4882\">Le <strong data-start=\"4577\" data-end=\"4600\">couche d'\u00e9tanch\u00e9it\u00e9 interne<\/strong> est un \u00e9l\u00e9ment essentiel des emballages souples, qui influe directement sur la fiabilit\u00e9 du scellage et la protection offerte par la barri\u00e8re. Tester sa r\u00e9sistance \u00e0 l'aide du <strong data-start=\"4744\" data-end=\"4765\">m\u00e9thode de test Gelbo<\/strong>, sous la direction de <a href=\"https:\/\/www.gelbotest.com\/fr\/astm-f392\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"4777\" data-end=\"4790\">ASTM F392<\/strong><\/a>, est indispensable pour les fabricants qui souhaitent pr\u00e9server l'int\u00e9grit\u00e9 de l'emballage dans des conditions d'utilisation r\u00e9elles.<\/p><p data-start=\"4884\" data-end=\"5114\">\u00c0 l'aide d'instruments professionnels tels que le <strong data-start=\"4924\" data-end=\"4974\">Appareil d'essai de r\u00e9sistance \u00e0 la flexion Cell Instruments GFT-01<\/strong>, les professionnels de l'emballage peuvent s'assurer que leurs mat\u00e9riaux r\u00e9pondent aux exigences des environnements soumis \u00e0 une forte flexion et offrent une qualit\u00e9 constante aux utilisateurs finaux.<\/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-7da005b e-con-full e-flex e-con e-parent\" data-id=\"7da005b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3e906ee elementor-widget elementor-widget-image\" data-id=\"3e906ee\" 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=\"768\" height=\"768\" src=\"https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea2-768x768.webp\" class=\"attachment-medium_large size-medium_large wp-image-1217\" alt=\"La couche d&#039;\u00e9tanch\u00e9it\u00e9 interne, test\u00e9e selon la m\u00e9thode Gelbo et la norme ASTM F392 \u00e0 l&#039;aide d&#039;un testeur de r\u00e9sistance \u00e0 la flexion, est excellente.\" srcset=\"https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea2-768x768.webp 768w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea2-300x300.webp 300w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea2-1024x1024.webp 1024w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea2-150x150.webp 150w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea2-1536x1536.webp 1536w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea2-12x12.webp 12w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea2.webp 1840w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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<div class=\"elementor-element elementor-element-c61e4d0 elementor-widget elementor-widget-image\" data-id=\"c61e4d0\" 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 decoding=\"async\" width=\"768\" height=\"768\" src=\"https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea1-768x768.webp\" class=\"attachment-medium_large size-medium_large wp-image-1216\" alt=\"La couche d&#039;\u00e9tanch\u00e9it\u00e9 interne, test\u00e9e selon la m\u00e9thode Gelbo et la norme ASTM F392 \u00e0 l&#039;aide d&#039;un testeur de r\u00e9sistance \u00e0 la flexion, est excellente.\" srcset=\"https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea1-768x768.webp 768w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea1-300x300.webp 300w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea1-1024x1024.webp 1024w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea1-150x150.webp 150w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea1-1536x1536.webp 1536w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea1-12x12.webp 12w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2025\/07\/GFT-01\u67d4\u6027\u6d4b\u8bd5\u4eea1.webp 1840w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Inner Sealing Layer Flex Durability and Barrier Performance In flexible packaging, the inner sealing layer plays a pivotal role in maintaining product integrity, especially during transportation and handling. This layer must not only form a reliable heat seal but also resist damage from mechanical stress like folding, crumpling, or twisting. To ensure high performance, manufacturers [&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,"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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1215","post","type-post","status-publish","format-standard","hentry","category-gelbo-flex-durability-test"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Inner Sealing Layer Flex Testing: ASTM F392 &amp; Gelbo Test Method<\/title>\n<meta name=\"description\" content=\"Learn how evaluating inner sealing layers via Gelbo test per ASTM F392 ensures packaging durability; flex tester safeguards integrity.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gelbotest.com\/fr\/inner-sealing-layer-gelbo-test\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inner Sealing Layer Flex Testing: ASTM F392 &amp; Gelbo Test Method\" \/>\n<meta property=\"og:description\" content=\"Learn how evaluating inner sealing layers via Gelbo test per ASTM F392 ensures packaging durability; flex tester safeguards integrity.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gelbotest.com\/fr\/inner-sealing-layer-gelbo-test\/\" \/>\n<meta property=\"og:site_name\" content=\"Gelbo Test\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-11T00:42:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-17T02:09:16+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.gelbotest.com\/inner-sealing-layer-gelbo-test\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.gelbotest.com\/inner-sealing-layer-gelbo-test\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.gelbotest.com\/#\/schema\/person\/e287f2292daf109c3a303cbcdc32bf4f\"},\"headline\":\"Inner Sealing Layer Durability: Gelbo Test Method &amp; 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