{"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\/bs\/products\/sale-gradient-laboratory-heat-sealer-astm-f2029\/","title":{"rendered":"GHS Gradient Laboratory Heat Sealer"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Princip laboratorijskog toplinskog zatvara\u010da s gradijentom<\/h2>\n\n\n\n<p><strong>Gradient Laboratory Heat Sealer<\/strong> djeluje primjenom topline, pritiska i vremena na uzorak materijala za pakovanje. Ove tri varijable - toplina, pritisak i vrijeme - su podesivi, omogu\u0107avaju\u0107i korisnicima da simuliraju \u0161irok raspon uvjeta pakovanja. Mogu\u0107nost kontrole ovih parametara je klju\u010dna za proizvo\u0111a\u010de koji trebaju optimizirati procese zaptivanja za razli\u010dite materijale.<\/p>\n\n\n\n<p>Jedna od klju\u010dnih karakteristika naprednih Gradient Laboratory Heat Sealers je funkcija gradijentnog zaptivanja. A <strong>Gradient Heat Sealer<\/strong> omogu\u0107ava istovremeno testiranje vi\u0161e postavki temperature na jednom uzorku. Ova mogu\u0107nost ubrzava proces testiranja, omogu\u0107avaju\u0107i proizvo\u0111a\u010dima da odrede optimalne parametre zaptivanja bez potrebe za posebnim testovima za svako stanje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tehni\u010dke karakteristike Gradient laboratorijskog toplotnog zavariva\u010da<\/h2>\n\n\n\n<p>Uspjeh bilo kojeg Gradijenta&nbsp;<strong>Laboratorijski zaptiva\u010d za toplotu<\/strong> oslanja se na svoju preciznost i stabilnost u kontroli topline, pritiska i vremena. Klju\u010dne tehni\u010dke karakteristike uklju\u010duju:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kontrola temperature<\/strong>: Opremljen PID (proporcionalno-integralno-derivativnim) kontrolerom visoke preciznosti, toplinski zaptiva\u010d osigurava preciznu i stabilnu regulaciju temperature. Gornja i donja \u010deljust za brtvljenje su izra\u0111ene od aluminija, \u0161to minimizira gubitak topline i jam\u010di ravnomjernu distribuciju temperature po povr\u0161ini zaptivanja.<\/li>\n\n\n\n<li><strong>Pritisak zaptivanja<\/strong>: Trosmjerna vo\u0111ena zaptivna \u0161ipka osigurava ujedna\u010denu raspodjelu pritiska po materijalu, \u0161to dovodi do konzistentnih i pouzdanih brtvi.<\/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 karakteristike<\/strong>: Sigurnost korisnika je prioritet s poklopcima protiv opekotina i opcijama za ru\u010dni rad ili rad no\u017enim prekida\u010dem, \u0161tite\u0107i operatere od slu\u010dajnih opekotina.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Testni postupak i metoda laboratorijskog ure\u0111aja za toplinsko zaptivanje sa 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 grize za zagrijavanje laboratorija koriste tester za toplinsko brtvljenje plasti\u010dne folije, tip s temperaturnom gradacijom\" 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 materijalu za barijeru - stavlja se izme\u0111u gornje i donje grijane \u010deljusti za brtvljenje <strong>Laboratorijski zaptiva\u010d za toplotu<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Proces toplotnog zaptivanja<\/h3>\n\n\n\n<p>Nakon \u0161to je uzorak pri\u010dvr\u0161\u0107en, \u010deljusti za brtvljenje se prethodno zagriju na \u017eeljenu temperaturu. Gornja zaptivna \u010deljust, koju pokre\u0107e plinski cilindar, pritisne se prema dolje na materijal, primjenjuju\u0107i potreban pritisak. Materijal ostaje pod pritiskom unaprijed odre\u0111eno vrijeme kako bi se omogu\u0107ilo prijenos topline i stvaranje sna\u017enog zaptivanja. Nakon isteka vremena, \u010deljusti otpu\u0161taju uzorak i test je zavr\u0161en.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Multi-Station Testing<\/h3>\n\n\n\n<p>U slu\u010daju a <strong>Gradient Heat Sealer<\/strong>, test se mo\u017ee izvesti s razli\u010ditim postavkama temperature na razli\u010ditim lokacijama na uzorku. Ovo istovremeno testiranje na vi\u0161e stanica ubrzava proces i osigurava najefikasnije kori\u0161tenje vremena i resursa. Proizvo\u0111a\u010di mogu testirati zaptivnost materijala u razli\u010ditim uvjetima bez provo\u0111enja posebnih testova za svaki od njih.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM F2029: Standardi za toplinsko zaptivanje<\/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 opisuje prakse za izradu laboratorijskih toplotnih zaptivki kako bi se odredila sposobnost zavarivanja fleksibilnih materijala za barijeru. Ovaj standard je bitan kako bi se osiguralo da toplinske brtve ispunjavaju o\u010dekivanja kvaliteta i daje smjernice o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Procedure testiranja<\/strong>: ASTM F2029 opisuje specifi\u010dne postupke za stvaranje toplotnih zaptiva\u010da u laboratorijskom okru\u017eenju. Ove brtve se zatim testiraju na \u010dvrsto\u0107u i integritet kako bi se utvrdilo da li ispunjavaju potrebne kriterije performansi.<\/li>\n\n\n\n<li><strong>Mjerenje \u010dvrsto\u0107e zaptiva\u010da<\/strong>: Standard pru\u017ea metode za mjerenje \u010dvrsto\u0107e zaptivanja, kriti\u010dnog parametra za osiguranje dugove\u010dnosti i efikasnosti materijala za pakovanje.<\/li>\n<\/ul>\n\n\n\n<p>Pridr\u017eavaju\u0107i se ASTM F2029, proizvo\u0111a\u010di mogu osigurati da njihovi procesi toplinskog zavarivanja ispunjavaju industrijske standarde za kvalitet i pouzdanost.<\/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>Sealing Temp.<\/td><td>Ambijent ~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 zaptivanja<\/td><td>0.1S~9999S<\/td><\/tr><tr><td>Pritisak zaptivanja<\/td><td>0,15~0,7 MPa<\/td><\/tr><tr><td>Brtvene \u010deljusti (mm)<\/td><td>U:40*10 5kom\/d:330 1kom<\/td><\/tr><tr><td>Gas Input<\/td><td>0,7 MPa sa cijevi F6 mm<\/td><\/tr><tr><td>Snaga<\/td><td>AC 220V 50Hz<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Gradient Laboratory Heat Sealer radi tako \u0161to primjenjuje toplinu, pritisak i vrijeme na uzorak materijala za pakovanje. Ove tri varijable\u2014toplina, pritisak i vrijeme\u2014mogu se pode\u0161avati, omogu\u0107avaju\u0107i korisnicima da simuliraju \u0161irok raspon uvjeta pakovanja.<\/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\/bs\/wp-json\/wp\/v2\/products\/9562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/bs\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.packqc.com\/bs\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/bs\/wp-json\/wp\/v2\/media\/4916"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/bs\/wp-json\/wp\/v2\/media?parent=9562"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.packqc.com\/bs\/wp-json\/wp\/v2\/product-category?post=9562"},{"taxonomy":"product-tag","embeddable":true,"href":"https:\/\/www.packqc.com\/bs\/wp-json\/wp\/v2\/product-tag?post=9562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}