{"id":9562,"date":"2026-02-02T14:53:11","date_gmt":"2026-02-02T06:53:11","guid":{"rendered":"https:\/\/www.packqc.com\/products\/sale-gradient-laboratory-heat-sealer-astm-f2029\/"},"modified":"2026-04-14T16:58:56","modified_gmt":"2026-04-14T08:58:56","slug":"sale-gradient-laboratory-heat-sealer-astm-f2029","status":"publish","type":"products","link":"https:\/\/www.packqc.com\/hr\/products\/sale-gradient-laboratory-heat-sealer-astm-f2029\/","title":{"rendered":"GHS Gradient Laboratory Heat Sealer"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Na\u010delo laboratorijskog toplinskog brtvilnika s gradijentom<\/h2>\n\n\n\n<p><strong>Gradient Laboratory Heat Sealer<\/strong> radi primjenom topline, pritiska i vremena na uzorak materijala za pakiranje. Ove tri varijable \u2014 toplina, tlak i vrijeme \u2014 mogu se prilagoditi, omogu\u0107uju\u0107i korisnicima da simuliraju \u0161irok raspon uvjeta pakiranja. Sposobnost kontrole ovih parametara klju\u010dna je za proizvo\u0111a\u010de koji trebaju optimizirati procese brtvljenja za razli\u010dite materijale.<\/p>\n\n\n\n<p>Jedna od klju\u010dnih zna\u010dajki naprednih Gradient Laboratory Heat Sealers je funkcija gradijentnog brtvljenja. A <strong>Gradient Heat Sealer<\/strong> omogu\u0107uje istovremeno ispitivanje vi\u0161e postavki temperature na jednom uzorku. Ova sposobnost ubrzava proces testiranja, omogu\u0107uju\u0107i proizvo\u0111a\u010dima odre\u0111ivanje optimalnih parametara brtvljenja bez potrebe za zasebnim ispitivanjima za svaki uvjet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gradient Laboratory Heat Sealer Tehni\u010dke zna\u010dajke<\/h2>\n\n\n\n<p>Uspjeh bilo kojeg Gradienta&nbsp;<strong>Laboratorijsko toplinsko zavarivanje<\/strong> oslanja se na svoju preciznost i stabilnost u kontroli topline, tlaka i vremena. Klju\u010dne tehni\u010dke zna\u010dajke uklju\u010duju:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kontrola temperature<\/strong>: Opremljen visoko preciznim PID (Proportional-Integral-Derivative) regulatorom, ure\u0111aj za toplinsko spajanje osigurava to\u010dnu i stabilnu regulaciju temperature. Gornja i donja \u010deljust za brtvljenje izra\u0111ene su od aluminija, \u0161to minimalizira gubitak topline i jam\u010di ravnomjernu raspodjelu temperature po povr\u0161ini za brtvljenje.<\/li>\n\n\n\n<li><strong>Pritisak brtvljenja<\/strong>: Trosmjerna vo\u0111ena \u0161ipka za brtvljenje osigurava ravnomjernu raspodjelu pritiska po materijalu, \u0161to dovodi do dosljednih i pouzdanih brtvila.<\/li>\n\n\n\n<li><strong>Prilagodljive \u010deljusti<\/strong>: Ovisno o primjeni, korisnici mogu prilagoditi dimenzije, oblike i uzorke \u010deljusti za brtvljenje kako bi zadovoljili specifi\u010dne zahtjeve materijala.<\/li>\n\n\n\n<li><strong>Sigurnosne zna\u010dajke<\/strong>: Sigurnost korisnika je na prvom mjestu s poklopcima protiv opekotina i opcijama ru\u010dnog rada ili rada no\u017enim prekida\u010dem, \u0161tite\u0107i rukovatelje od slu\u010dajnih opeklina.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Postupak i metoda ispitivanja laboratorijskog toplinskog brtvilice s gradijentom<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Neovisne grijane \u010deljusti za laboratorijsku upotrebu, tester za toplinsko zaptivanje plasti\u010dnih folija, temperaturni gradacijski tip\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/CDvc9iG0cxc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Priprema uzorka<\/h3>\n\n\n\n<p>Prije po\u010detka ispitivanja, uzorak materijala - bilo da se radi o filmu, laminatu ili fleksibilnom barijernom materijalu - stavlja se izme\u0111u gornje i donje grijane \u010deljusti za brtvljenje <strong>Laboratorijsko toplinsko zavarivanje<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Postupak toplinskog brtvljenja<\/h3>\n\n\n\n<p>Nakon \u0161to je uzorak pri\u010dvr\u0161\u0107en, \u010deljusti za brtvljenje se prethodno zagrijavaju na \u017eeljenu temperaturu. Gornja \u010deljust za brtvljenje, koju pokre\u0107e plinski cilindar, pritisne se na materijal, primjenjuju\u0107i potreban pritisak. Materijal ostaje pod pritiskom unaprijed odre\u0111eno vrijeme kako bi se omogu\u0107io prijenos topline i stvorilo sna\u017eno brtvljenje. Nakon \u0161to vrijeme istekne, \u010deljusti osloba\u0111aju uzorak i test je zavr\u0161en.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Testiranje na vi\u0161e stanica<\/h3>\n\n\n\n<p>U slu\u010daju a <strong>Gradient Heat Sealer<\/strong>, ispitivanje se mo\u017ee izvesti s razli\u010ditim postavkama temperature na razli\u010ditim mjestima na uzorku. Ovo istovremeno testiranje na vi\u0161e stanica ubrzava proces i osigurava naju\u010dinkovitije kori\u0161tenje vremena i resursa. Proizvo\u0111a\u010di mogu testirati brtvljenje materijala pod razli\u010ditim uvjetima bez provo\u0111enja zasebnih ispitivanja za svaki od njih.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM F2029: Standardi za toplinsko brtvljenje<\/h2>\n\n\n\n<p>The <a href=\"https:\/\/www.astm.org\/f2029-16r21.html\" target=\"_blank\" rel=\"noopener nofollow\"><strong>ASTM F2029<\/strong><\/a> standard ocrtava postupke za izradu laboratorijskih toplinskih brtvila kako bi se odredila sposobnost toplinskog brtvljenja fleksibilnih barijernih materijala. Ova je norma klju\u010dna za osiguravanje da toplinska brtvljenja ispune o\u010dekivanja kvalitete i daje smjernice o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Postupci ispitivanja<\/strong>: ASTM F2029 opisuje specifi\u010dne postupke za stvaranje toplinskih brtvila u laboratorijskom okru\u017eenju. Te se brtve zatim testiraju na \u010dvrsto\u0107u i cjelovitost kako bi se utvrdilo ispunjavaju li potrebne kriterije u\u010dinkovitosti.<\/li>\n\n\n\n<li><strong>Mjerenje \u010dvrsto\u0107e brtve<\/strong>: Norma pru\u017ea metode za mjerenje \u010dvrsto\u0107e brtvljenja, kriti\u010dnog parametra za osiguranje dugotrajnosti i u\u010dinkovitosti materijala za pakiranje.<\/li>\n<\/ul>\n\n\n\n<p>Pridr\u017eavaju\u0107i se standarda ASTM F2029, proizvo\u0111a\u010di mogu osigurati da njihovi procesi toplinskog brtvljenja zadovoljavaju industrijske standarde kvalitete i pouzdanosti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Klju\u010dne specifikacije<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Temp brtvljenja<\/td><td>Ambijentalna ~ 250 \u2103<\/td><\/tr><tr><td>Temp. Gradijent<\/td><td>\u226420\u2103<\/td><\/tr><tr><td>Devijacija<\/td><td>\u00b10,2 \u2103<\/td><\/tr><tr><td>Vrijeme pe\u010da\u0107enja<\/td><td>0.1S~9999S<\/td><\/tr><tr><td>Pritisak brtvljenja<\/td><td>0,15~0,7 MPa<\/td><\/tr><tr><td>Brtvene \u010deljusti (mm)<\/td><td>U:40*10 5KOM\/L:330 1KOM<\/td><\/tr><tr><td>Unos plina<\/td><td>0,7 MPa s cijevi F6 mm<\/td><\/tr><tr><td>Vlast<\/td><td>AC 220V 50Hz<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Gradient Laboratory Heat Sealer radi primjenom topline, tlaka i vremena na uzorak pakirnog materijala. Ove tri varijable\u2014toplina, tlak i vrijeme\u2014mogu se podesiti, \u0161to korisnicima omogu\u0107uje simulaciju \u0161irokog raspona uvjeta pakiranja.<\/p>","protected":false},"featured_media":4916,"parent":0,"template":"","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":"disabled","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":""}}},"product-category":[441,478,454,479,438,495,444],"product-tag":[],"class_list":["post-9562","products","type-products","status-publish","has-post-thumbnail","hentry","product-category-astm-standard","product-category-astm-f2029","product-category-custom-lab-testing-instruments-manufacturer","product-category-heat-seal-tester","product-category-medical-and-pharmaceutical-testing","product-category-pharmaceutical-testing","product-category-plastic-testing"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/hr\/wp-json\/wp\/v2\/products\/9562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/hr\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.packqc.com\/hr\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/hr\/wp-json\/wp\/v2\/media\/4916"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/hr\/wp-json\/wp\/v2\/media?parent=9562"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.packqc.com\/hr\/wp-json\/wp\/v2\/product-category?post=9562"},{"taxonomy":"product-tag","embeddable":true,"href":"https:\/\/www.packqc.com\/hr\/wp-json\/wp\/v2\/product-tag?post=9562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}