{"id":1271,"date":"2026-01-29T23:51:18","date_gmt":"2026-01-29T23:51:18","guid":{"rendered":"https:\/\/www.gelbotest.com\/?p=1271"},"modified":"2026-01-29T23:51:34","modified_gmt":"2026-01-29T23:51:34","slug":"effect-of-flexing-on-barrier-properties-test-method","status":"publish","type":"post","link":"https:\/\/www.gelbotest.com\/lt\/effect-of-flexing-on-barrier-properties-test-method\/","title":{"rendered":"Lankstymo poveikis barjero savyb\u0117ms: Gelbo Flex testas ir ASTM F392"},"content":{"rendered":"<p data-start=\"415\" data-end=\"976\">Vertinant lanks\u010di\u0173 pakavimo med\u017eiag\u0173, ypa\u010d t\u0173, kurios naudojamos kaip barjerin\u0117 apsauga, patvarum\u0105, labai svarbu \u012fvertinti, kaip pakartotinis lenkimas veikia med\u017eiagos savybes. \u0160is <strong data-start=\"624\" data-end=\"643\">\"Gelbo Flex\" testas<\/strong> yra patikimas metodas, skirtas nustatyti <strong data-start=\"681\" data-end=\"728\">lenkimo poveikis barjerin\u0117ms savyb\u0117ms<\/strong>, pavyzd\u017eiui, duj\u0173 ir dr\u0117gm\u0117s pralaidumo rodikliai, kurie yra itin svarb\u016bs u\u017etikrinant pakuot\u0117s vientisum\u0105. Standartas ASTM F392, kuriame apibr\u0117\u017etos \u0161io bandymo proced\u016bros, pateikia i\u0161sami\u0105 sistem\u0105, skirt\u0105 \u012fvertinti <strong data-start=\"931\" data-end=\"950\">lankstumo ilgaam\u017ei\u0161kumas<\/strong> \u012fvairiomis s\u0105lygomis.<\/p>\n<p data-start=\"978\" data-end=\"1211\">\u0160iame straipsnyje bus pateikta i\u0161sami \u012f\u017eanga \u012f <strong data-start=\"1035\" data-end=\"1054\">\"Gelbo Flex\" testas<\/strong>, jos metodika, standartuose, i\u0161d\u0117styti <strong data-start=\"1099\" data-end=\"1112\">ASTM F392<\/strong>, ir kaip tai padeda gamintojams u\u017etikrinti lanks\u010di\u0173 pakavimo med\u017eiag\u0173 kokyb\u0119 ir ilgaam\u017ei\u0161kum\u0105.<\/p>\n<h2 data-start=\"1213\" data-end=\"1275\">\u201eGelbo Flex\u201c bandymas ir lankstumo patvarumas: standartas ASTM F392<\/h2>\n<h3 data-start=\"1277\" data-end=\"1302\">ASTM F392 ap\u017evalga<\/h3>\n<p data-start=\"1304\" data-end=\"1736\"><a href=\"https:\/\/www.astm.org\/f0392_f0392m-21.html\"><strong data-start=\"1304\" data-end=\"1317\">ASTM F392<\/strong><\/a> yra standartin\u0117 proced\u016bra, skirta lanks\u010di\u0173 barjerini\u0173 med\u017eiag\u0173 atsparumui lenkimui nustatyti. Joje nurodyta, kaip paruo\u0161ti lanks\u010dias med\u017eiagas, siekiant nustatyti <strong data-start=\"1484\" data-end=\"1503\">lankstumo ilgaam\u017ei\u0161kumas<\/strong> ir lenkimo poveikis med\u017eiagos <strong data-start=\"1549\" data-end=\"1571\">barjerin\u0117s savyb\u0117s<\/strong>. \u0160is bandymas yra ypa\u010d svarbus pakavimo med\u017eiagoms, naudojamoms gaminiuose, kuriuose itin svarbu u\u017etikrinti apsaug\u0105 nuo dr\u0117gm\u0117s ar duj\u0173, pavyzd\u017eiui, maisto ar farmacijos produkt\u0173 pakuot\u0117se.<\/p>\n<p data-start=\"1738\" data-end=\"2162\">... <strong data-start=\"1745\" data-end=\"1764\">\"Gelbo Flex\" testas<\/strong>, lanks\u010dios med\u017eiagos bandinys standartin\u0117mis s\u0105lygomis yra pakartotinai lenkiamas. \u0160is <strong data-start=\"1867\" data-end=\"1885\">lenkimo veiksmas<\/strong> paprastai apima sukimo judes\u012f, po kurio seka horizontalus judesys, atkartojantis fizinius \u012ftempius, kuriuos patiria pakavimo med\u017eiagos transportavimo ir tvarkymo metu. \u0160is <strong data-start=\"2064\" data-end=\"2092\">lenkimo cikl\u0173 skai\u010dius<\/strong> priklauso nuo bandymo s\u0105lyg\u0173 ir tiriamos med\u017eiagos.<\/p>\n<h3 data-start=\"2955\" data-end=\"3012\">Lankstymo poveikio barjerin\u0117ms savyb\u0117ms vertinimas<\/h3>\n<p data-start=\"3014\" data-end=\"3414\">The <strong data-start=\"3018\" data-end=\"3037\">\"Gelbo Flex\" testas<\/strong> daugiausia d\u0117mesio skiria <strong data-start=\"3059\" data-end=\"3081\">barjerin\u0117s savyb\u0117s<\/strong>, \u012fskaitant duj\u0173 ir dr\u0117gm\u0117s pralaidum\u0105. Lankstymas gali sukelti nedideli\u0173 skylu\u010di\u0173 ar \u012ftr\u016bkim\u0173 susidarym\u0105 pakavimo med\u017eiagose, o tai suma\u017eina j\u0173 geb\u0117jim\u0105 veiksmingai atlikti barjero funkcij\u0105. Atliekant lankstymo bandym\u0105 kontroliuojamomis s\u0105lygomis, nustatomas <strong data-start=\"3355\" data-end=\"3384\">barjero vientisumo praradimas<\/strong> po nustatyto cikl\u0173 skai\u010diaus.<\/p>\n<p data-start=\"3416\" data-end=\"3793\">Tyrimo rezultatai gali atskleisti, kiek med\u017eiagos <strong data-start=\"3468\" data-end=\"3490\">barjerin\u0117s savyb\u0117s<\/strong> susid\u0117vi d\u0117l lenkimo, suteikdama vertingos informacijos apie med\u017eiagos <strong data-start=\"3560\" data-end=\"3585\">ilgalaikiai rezultatai<\/strong>. Gamintojai gali remtis \u0161iais rezultatais, nor\u0117dami nustatyti, ar tam tikra med\u017eiaga tinka konkre\u010dioms paskirtims, pavyzd\u017eiui, jautri\u0173 produkt\u0173, toki\u0173 kaip maistas, medicinos prietaisai ar vaistai, pakuot\u0117ms.<\/p>\n<h3 data-start=\"3795\" data-end=\"3842\">\u201eGelbo Flex\u201c testo reik\u0161m\u0117 ir naudojimas<\/h3>\n<p data-start=\"3844\" data-end=\"4265\">The <strong data-start=\"3848\" data-end=\"3867\">\"Gelbo Flex\" testas<\/strong> yra b\u016btinas norint nustatyti <strong data-start=\"3905\" data-end=\"3924\">lankstumo ilgaam\u017ei\u0161kumas<\/strong> lanks\u010di\u0173 pakavimo med\u017eiag\u0173. Da\u017eniausiai ji naudojama vertinant <strong data-start=\"3998\" data-end=\"4045\">lenkimo poveikis barjerin\u0117ms savyb\u0117ms<\/strong> med\u017eiagose, kurios \u012fprastinio naudojimo ar transportavimo metu bus pakartotinai lenkiamos, sukamos ar suspaud\u017eiamos. Tai apima tokias med\u017eiagas kaip plastikin\u0117s pl\u0117vel\u0117s, daugiasluoksn\u0117s strukt\u016bros ir kiti lankst\u016bs pakavimo komponentai.<\/p>\n<ul data-start=\"4267\" data-end=\"4871\">\n<li data-start=\"4267\" data-end=\"4464\">\n<p data-start=\"4269\" data-end=\"4464\"><strong data-start=\"4269\" data-end=\"4288\">Kokyb\u0117s kontrol\u0117<\/strong>: Reguliariai atliekant <strong data-start=\"4318\" data-end=\"4337\">\"Gelbo Flex\" testas<\/strong>, gamintojai gali steb\u0117ti savo med\u017eiag\u0173 ilgaam\u017ei\u0161kum\u0105 ir u\u017etikrinti, kad jos atitikt\u0173 nustatytus eksploatacini\u0173 savybi\u0173 reikalavimus.<\/p>\n<\/li>\n<li data-start=\"4465\" data-end=\"4673\">\n<p data-start=\"4467\" data-end=\"4673\"><strong data-start=\"4467\" data-end=\"4495\">Moksliniai tyrimai ir pl\u0117tra<\/strong>: \u0160is bandymas taip pat yra naudingas mokslini\u0173 tyrim\u0173 ir pl\u0117tros srityje, nes padeda gamintojams kurti naujas med\u017eiagas arba tobulinti esamas, leid\u017eiant suprasti, kaip skirtingos lenkimo s\u0105lygos veikia barjerines savybes.<\/p>\n<\/li>\n<li data-start=\"4674\" data-end=\"4871\">\n<p data-start=\"4676\" data-end=\"4871\"><strong data-start=\"4676\" data-end=\"4699\">Med\u017eiag\u0173 palyginimas<\/strong>: \u0160is bandymas leid\u017eia tiesiogiai palyginti skirtingas med\u017eiagas ar konstrukcijas, pad\u0117damas gamintojams pasirinkti patvariausius ir veiksmingiausius variantus savo gaminiams.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4873\" data-end=\"4918\">Kod\u0117l \u201eFlex\u201c patvarumas svarbus pakuot\u0117ms<\/h3>\n<p data-start=\"4920\" data-end=\"5386\"><strong data-start=\"4920\" data-end=\"4939\">Flex patvarumas<\/strong> yra itin svarbus pakavimo med\u017eiagoms, kurios da\u017enai lie\u010diamos, sulankstomos ar suspaud\u017eiamos. <strong data-start=\"5040\" data-end=\"5123\">Blisterin\u0117s pakuot\u0117s, maisto produkt\u0173 pakuot\u0117s, medicinin\u0117s pakuot\u0117s ir net elektronikos pakuot\u0117s<\/strong> Visi gali pasinaudoti med\u017eiag\u0173 atsparumo lenkimui bandymais. Prastas atsparumas lenkimui gali sukelti med\u017eiagos gedim\u0105, o tai pakenkia produkto vientisumui ir padidina u\u017eter\u0161imo, sugedimo ar sugadinimo rizik\u0105 sand\u0117liavimo ir transportavimo metu.<\/p>\n<p data-start=\"5388\" data-end=\"5695\">Naudodami <strong data-start=\"5401\" data-end=\"5420\">\"Gelbo Flex\" testas<\/strong> pagal <strong data-start=\"5440\" data-end=\"5453\">ASTM F392<\/strong>, gamintojai u\u017etikrina, kad j\u0173 pakavimo med\u017eiagos atlaikyt\u0173 fizinius kr\u016bvius, su kuriais susiduria realiomis naudojimo s\u0105lygomis. Tai suma\u017eina med\u017eiagos gedimo rizik\u0105 ir u\u017etikrina, kad pakuot\u0117 ilg\u0105 laik\u0105 i\u0161laikyt\u0173 savo apsaugines savybes.<\/p>\n<h2 data-start=\"5697\" data-end=\"5734\">\u201eCell Instruments\u201c \u201eGelbo Flex\u201c testeris<\/h2>\n<p><a href=\"https:\/\/www.gelbotest.com\/lt\/\"><img decoding=\"async\" class=\"alignleft wp-image-1273\" src=\"https:\/\/www.gelbotest.com\/wp-content\/uploads\/2026\/01\/The-Effect-of-Flexing-on-Barrier-Properties-Gelbo-Flex-Test-and-ASTM-F392-300x296.webp\" alt=\"Lankstymo poveikis barjerin\u0117ms savyb\u0117ms: \u201eGelbo Flex\u201c bandymas ir ASTM F392\" width=\"205\" height=\"203\" srcset=\"https:\/\/www.gelbotest.com\/wp-content\/uploads\/2026\/01\/The-Effect-of-Flexing-on-Barrier-Properties-Gelbo-Flex-Test-and-ASTM-F392-300x296.webp 300w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2026\/01\/The-Effect-of-Flexing-on-Barrier-Properties-Gelbo-Flex-Test-and-ASTM-F392-150x150.webp 150w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2026\/01\/The-Effect-of-Flexing-on-Barrier-Properties-Gelbo-Flex-Test-and-ASTM-F392-12x12.webp 12w, https:\/\/www.gelbotest.com\/wp-content\/uploads\/2026\/01\/The-Effect-of-Flexing-on-Barrier-Properties-Gelbo-Flex-Test-and-ASTM-F392.webp 406w\" sizes=\"(max-width: 205px) 100vw, 205px\" \/><\/a><\/p>\n<p data-start=\"5736\" data-end=\"6294\">Gamintojams, norintiems atlikti <strong data-start=\"5773\" data-end=\"5793\">\u201eGelbo Flex\u201c bandymai<\/strong> laikantis <strong data-start=\"5813\" data-end=\"5826\">ASTM F392<\/strong>, tas <strong data-start=\"5832\" data-end=\"5870\">\"Cell Instruments <a href=\"https:\/\/www.gelbotest.com\/lt\/\">\u201eGelbo Flex\u201c testeris GFT-01<\/a><\/strong>\u00a0yra idealus sprendimas. \u0160is bandymo \u012frenginys, sukurtas laikantis grie\u017et\u0173 ASTM F392 standarte nustatyt\u0173 reikalavim\u0173, u\u017etikrina tikslius ir pakartojamus rezultatus, leid\u017eian\u010dius \u012fvertinti <strong data-start=\"6024\" data-end=\"6043\">lankstumo ilgaam\u017ei\u0161kumas<\/strong> lanks\u010di\u0173 pakavimo med\u017eiag\u0173. D\u0117l intuityvios s\u0105sajos ir patikimo veikimo \u0161i <strong data-start=\"6136\" data-end=\"6157\">Gelbo Flex testeris<\/strong> padeda gamintojams greitai \u012fvertinti <strong data-start=\"6197\" data-end=\"6240\">lenkimo poveikis barjerin\u0117ms savyb\u0117ms<\/strong> ir priimti pagr\u012fstus sprendimus d\u0117l med\u017eiag\u0173 pasirinkimo.<\/p>\n<h2 data-start=\"6296\" data-end=\"6309\">I\u0161vada<\/h2>\n<p data-start=\"6311\" data-end=\"6696\">The <strong data-start=\"6315\" data-end=\"6334\">\"Gelbo Flex\" testas<\/strong> yra nepakei\u010diama priemon\u0117, skirta nustatyti <strong data-start=\"6376\" data-end=\"6395\">lankstumo ilgaam\u017ei\u0161kumas<\/strong> lanks\u010di\u0173 barjerini\u0173 med\u017eiag\u0173, ypa\u010d vertinant <strong data-start=\"6458\" data-end=\"6501\">lenkimo poveikis barjerin\u0117ms savyb\u0117ms<\/strong> pavyzd\u017eiui, dr\u0117gm\u0117s ir duj\u0173 pralaidumas. Laikantis gairi\u0173, numatyt\u0173 <strong data-start=\"6569\" data-end=\"6582\">ASTM F392<\/strong>, gamintojai gali u\u017etikrinti, kad j\u0173 med\u017eiagos atitikt\u0173 b\u016btinus ilgalaikio veikimo ir patikimumo standartus.<\/p>\n<p data-start=\"6698\" data-end=\"7127\">Nesvarbu, ar tai b\u016bt\u0173 <strong data-start=\"6710\" data-end=\"6729\">kokyb\u0117s kontrol\u0117<\/strong>, <strong data-start=\"6731\" data-end=\"6743\">tyrimai<\/strong>, arba <strong data-start=\"6748\" data-end=\"6771\">med\u017eiag\u0173 palyginimas<\/strong>, tas <strong data-start=\"6777\" data-end=\"6796\">\"Gelbo Flex\" testas<\/strong> teikia vertingus duomenis, kurie padeda u\u017etikrinti, kad pakavimo med\u017eiagos atlaikyt\u0173 kasdienio naudojimo apkrovas ir toliau apsaugot\u0173 viduje esant\u012f turin\u012f. \u0160is <strong data-start=\"6955\" data-end=\"6993\">\u201eCell Instruments\u201c \u201eGelbo Flex\u201c testeris<\/strong> si\u016blo veiksming\u0105 ir tiksl\u0173 sprendim\u0105 \u0161iems bandymams atlikti, tod\u0117l tai tampa nepakei\u010diamu \u012frankiu \u0161iuolaikiniams pakuo\u010di\u0173 gamintojams.<\/p>","protected":false},"excerpt":{"rendered":"<p>When it comes to evaluating the durability of flexible packaging materials, particularly those used for barrier protection, it\u2019s critical to assess how repeated flexing impacts the material&#8217;s performance. The Gelbo Flex Test is a reliable method for determining the effect of flexing on barrier properties, such as gas and moisture transmission rates, which are vital [&hellip;]<\/p>\n","protected":false},"author":5,"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-1271","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>Effect of Flexing on Barrier Properties: Gelbo Flex Test and ASTM F392<\/title>\n<meta name=\"description\" content=\"Explore the effect of flexing on barrier properties using the Gelbo Flex Test and ASTM F392. 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