{"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\/lt\/products\/sale-gradient-laboratory-heat-sealer-astm-f2029\/","title":{"rendered":"GHS Gradient Laboratory Heat Sealer"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Gradientinio laboratorinio \u0161iluminio sandariklio principas<\/h2>\n\n\n\n<p><strong>Gradientinis laboratorinis \u0161ilumos sandariklis<\/strong> veikia pakavimo med\u017eiagos pavyzd\u017eiui taikydamas \u0161ilum\u0105, sl\u0117g\u012f ir laik\u0105. \u0160ie trys kintamieji \u2013 \u0161iluma, sl\u0117gis ir laikas \u2013 yra reguliuojami, tod\u0117l vartotojai gali imituoti \u012fvairias pakavimo s\u0105lygas. Galimyb\u0117 kontroliuoti \u0161iuos parametrus yra labai svarbi gamintojams, kuriems reikia optimizuoti skirting\u0173 med\u017eiag\u0173 sandarinimo procesus.<\/p>\n\n\n\n<p>Viena i\u0161 pagrindini\u0173 pa\u017eangi\u0173 gradientini\u0173 laboratorini\u0173 \u0161ilumini\u0173 sandarikli\u0173 savybi\u0173 yra gradiento sandarinimo funkcija. A <strong>Gradientinis \u0161ilumos sandariklis<\/strong> leid\u017eia vienu metu tikrinti kelis temperat\u016bros nustatymus viename m\u0117ginyje. \u0160i galimyb\u0117 pagreitina testavimo proces\u0105, tod\u0117l gamintojai gali nustatyti optimalius sandarinimo parametrus, nereikalaujant atskir\u0173 kiekvienos b\u016bkl\u0117s bandym\u0173.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gradientinio laboratorinio \u0161iluminio sandarinimo \u012frenginio technin\u0117s savyb\u0117s<\/h2>\n\n\n\n<p>Bet kurio gradiento s\u0117km\u0117&nbsp;<strong>Laboratorinis \u0161ilumos sandariklis<\/strong> priklauso nuo jo tikslumo ir stabilumo valdant \u0161ilum\u0105, sl\u0117g\u012f ir laik\u0105. Pagrindin\u0117s technin\u0117s savyb\u0117s:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Temperat\u016bros valdymas<\/strong>: \u012erengtas didelio tikslumo PID (proporcinis integruotas i\u0161vestinis) valdiklis, \u0161iluminis sandariklis u\u017etikrina tiksl\u0173 ir stabil\u0173 temperat\u016bros reguliavim\u0105. Vir\u0161utin\u0117 ir apatin\u0117 sandarinimo \u017eandikauliai pagaminti i\u0161 aliuminio, kuris suma\u017eina \u0161ilumos nuostolius ir garantuoja tolyg\u0173 temperat\u016bros pasiskirstym\u0105 sandarinimo pavir\u0161iuje.<\/li>\n\n\n\n<li><strong>Sandarinimo sl\u0117gis<\/strong>: Trij\u0173 kryp\u010di\u0173 valdoma sandarinimo juosta u\u017etikrina tolyg\u0173 sl\u0117gio pasiskirstym\u0105 visoje med\u017eiagoje, tod\u0117l sandarikliai yra nuosekl\u016bs ir patikimi.<\/li>\n\n\n\n<li><strong>Pritaikomi \u017eandikauliai<\/strong>: Priklausomai nuo taikymo, vartotojai gali pritaikyti sandarinimo \u017eandikauli\u0173 matmenis, formas ir ra\u0161tus, kad atitikt\u0173 konkre\u010dius med\u017eiag\u0173 reikalavimus.<\/li>\n\n\n\n<li><strong>Saugos ypatyb\u0117s<\/strong>: Pirmenyb\u0117 teikiama naudotojo saugumui naudojant nuo nuplikimo apsaugotus dang\u010dius ir rankinio arba kojinio valdymo parinktis, apsaugan\u010dias operatorius nuo atsitiktini\u0173 nudegim\u0173.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Gradientinio laboratorinio \u0161iluminio sandariklio bandymo procesas ir metodas<\/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=\"nepriklausomas laboratorijos naudojimo plastikin\u0117s pl\u0117vel\u0117s \u0161ilumos sandarinimo testerio \u0161ildymo \u017eandikauliai Temperat\u016bros laipsniavimo tipas\" 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\">M\u0117ginio paruo\u0161imas<\/h3>\n\n\n\n<p>Prie\u0161 pradedant bandym\u0105, med\u017eiagos pavyzdys \u2013 ar tai b\u016bt\u0173 pl\u0117vel\u0117, laminatas ar lanksti barjerin\u0117 med\u017eiaga \u2013 dedamas tarp vir\u0161utinio ir apatinio \u0161ildomo sandarinimo \u017eandikauli\u0173. <strong>Laboratorinis \u0161ilumos sandariklis<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0160ilumos sandarinimo procesas<\/h3>\n\n\n\n<p>U\u017efiksavus m\u0117gin\u012f, sandarinimo \u017eandikauliai pa\u0161ildomi iki norimos temperat\u016bros. Vir\u0161utinis sandarinimo \u017eandikaulis, varomas duj\u0173 baliono, prispaud\u017eiamas prie med\u017eiagos, taikant reikiam\u0105 sl\u0117g\u012f. Med\u017eiaga i\u0161laiko sl\u0117g\u012f i\u0161 anksto nustatyt\u0105 laik\u0105, kad \u0161iluma gal\u0117t\u0173 perduoti ir sukurti tvirt\u0105 sandarum\u0105. Pasibaigus laikui, \u017eandikauliai atleid\u017eia m\u0117gin\u012f ir bandymas baigtas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Keli\u0173 sto\u010di\u0173 testavimas<\/h3>\n\n\n\n<p>Tuo atveju, kai a <strong>Gradientinis \u0161ilumos sandariklis<\/strong>, bandym\u0105 galima atlikti naudojant skirtingus temperat\u016bros nustatymus skirtingose m\u0117ginio vietose. \u0160is vienu metu atliekamas keli\u0173 sto\u010di\u0173 testavimas pagreitina proces\u0105 ir u\u017etikrina efektyviausi\u0105 laiko ir i\u0161tekli\u0173 panaudojim\u0105. Gamintojai gali i\u0161bandyti med\u017eiagos sandarum\u0105 skirtingomis s\u0105lygomis, neatlikdami kiekvienos atskir\u0173 bandym\u0173.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM F2029: terminio sandarinimo standartai<\/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> standarte apra\u0161oma laboratorini\u0173 kar\u0161\u010dio sandarikli\u0173 gamybos praktika, siekiant nustatyti lanks\u010di\u0173 barjerini\u0173 med\u017eiag\u0173 sandarum\u0105 kar\u0161\u010diu. \u0160is standartas yra b\u016btinas norint u\u017etikrinti, kad termo sandarikliai atitikt\u0173 kokyb\u0117s l\u016bkes\u010dius, ir jame pateikiamos gair\u0117s d\u0117l:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bandymo proced\u016bros<\/strong>: ASTM F2029 apra\u0161omos specialios termoplombavimo laboratorin\u0117je aplinkoje proced\u016bros. Tada patikrinamas \u0161i\u0173 sandarikli\u0173 stiprumas ir vientisumas, siekiant nustatyti, ar jie atitinka b\u016btinus veikimo kriterijus.<\/li>\n\n\n\n<li><strong>Sandarinimo stiprumo matavimas<\/strong>: Standarte pateikiami sandarumo stiprumo matavimo metodai \u2013 kritinis parametras, u\u017etikrinantis pakavimo med\u017eiag\u0173 ilgaam\u017ei\u0161kum\u0105 ir efektyvum\u0105.<\/li>\n<\/ul>\n\n\n\n<p>Laikydamiesi ASTM F2029, gamintojai gali u\u017etikrinti, kad j\u0173 \u0161iluminio sandarinimo procesai atitikt\u0173 pramon\u0117s kokyb\u0117s ir patikimumo standartus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pagrindin\u0117s specifikacijos<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Sandarinimo temp.<\/td><td>Aplinka ~ 250 \u2103<\/td><\/tr><tr><td>Temp. Gradientas<\/td><td>\u226420 \u2103<\/td><\/tr><tr><td>Nukrypimas<\/td><td>\u00b10,2 \u2103<\/td><\/tr><tr><td>Sandarinimo laikas<\/td><td>0,1S ~ 9999S<\/td><\/tr><tr><td>Sandarinimo sl\u0117gis<\/td><td>0,15 ~ 0,7 MPa<\/td><\/tr><tr><td>Sandarinimo \u017eandikauliai (mm)<\/td><td>U: 40*10 5Vnt.\/L: 330 1Vnt<\/td><\/tr><tr><td>Duj\u0173 \u012fvadas<\/td><td>0,7 MPa su \u04246 mm vamzd\u017eiu<\/td><\/tr><tr><td>Galia<\/td><td>AC 220V 50Hz<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Gradientinis laboratorinis \u0161iluminis sandarinimo \u012frenginys veikia naudojant \u0161ilum\u0105, sl\u0117g\u012f ir laik\u0105 pakuot\u0117s med\u017eiagos m\u0117giniui. \u0160ie trys kintamieji - \u0161iluma, sl\u0117gis ir laikas - yra reguliuojami, tod\u0117l vartotojai gali imituoti \u012fvairias pakavimo s\u0105lygas.<\/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\/lt\/wp-json\/wp\/v2\/products\/9562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media\/4916"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/media?parent=9562"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/product-category?post=9562"},{"taxonomy":"product-tag","embeddable":true,"href":"https:\/\/www.packqc.com\/lt\/wp-json\/wp\/v2\/product-tag?post=9562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}