{"id":1311,"date":"2025-08-01T02:43:41","date_gmt":"2025-08-01T02:43:41","guid":{"rendered":"https:\/\/www.shrinkagetester.com\/?p=1311"},"modified":"2025-08-01T07:00:40","modified_gmt":"2025-08-01T07:00:40","slug":"astm-d2732-film-shrinkage","status":"publish","type":"post","link":"https:\/\/www.shrinkagetester.com\/lt\/astm-d2732-film-shrinkage\/","title":{"rendered":"ASTM D2732 Pl\u0117vel\u0117s susitraukimo bandymas pakuot\u0117ms"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ASTM D2732 standarto svarba lanks\u010dioms pakuot\u0117ms<\/h2>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"min-height:596px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<figure class=\"wp-block-image alignright size-full is-resized\"><a href=\"https:\/\/www.shrinkagetester.com\/lt\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.shrinkagetester.com\/wp-content\/uploads\/2025\/08\/FST-01-Film-Free-Shrink-Tester-ASTM-D2732-4_\u526f\u672c.webp\" alt=\"astm d2732\" class=\"wp-image-1328\" style=\"width:278px;height:auto\" srcset=\"https:\/\/www.shrinkagetester.com\/wp-content\/uploads\/2025\/08\/FST-01-Film-Free-Shrink-Tester-ASTM-D2732-4_\u526f\u672c.webp 750w, https:\/\/www.shrinkagetester.com\/wp-content\/uploads\/2025\/08\/FST-01-Film-Free-Shrink-Tester-ASTM-D2732-4_\u526f\u672c-300x300.webp 300w, https:\/\/www.shrinkagetester.com\/wp-content\/uploads\/2025\/08\/FST-01-Film-Free-Shrink-Tester-ASTM-D2732-4_\u526f\u672c-150x150.webp 150w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a><\/figure>\n\n\n\n<div class=\"wp-block-group is-content-justification-right is-nowrap is-layout-flex wp-container-core-group-is-layout-f726d978 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">ASTM D2732 - tai standartizuotas bandymo metodas, naudojamas plastikini\u0173 pl\u0117veli\u0173 nesuvar\u017eytam linijiniam terminiam susitraukimui \u012fvertinti. \u0160i susitraukimo savyb\u0117 i\u0161ry\u0161k\u0117ja, kai pl\u0117vel\u0117 yra veikiama padidintos temperat\u016bros aplinkoje, kurioje yra minimalus suvar\u017eymas. Suprasti \u0161\u012f susitraukim\u0105 labai svarbu u\u017etikrinant kokyb\u0119 pramon\u0117s \u0161akose, kuriose naudojamos plastikini\u0173 pl\u0117veli\u0173 pakuot\u0117s, \u012fskaitant kasdien\u0117s chemijos ir asmens higienos produktus.<br>Lanks\u010dioms pakuot\u0117ms naudojamos pl\u0117vel\u0117s gamybos metu gali i\u0161laikyti vidinius \u012ftempimus. \u0160ildant \u0161ie \u012ftempiai i\u0161silaisvina, tod\u0117l atsiranda i\u0161matuojamas susitraukimas. ASTM D2732 padeda kiekybi\u0161kai \u012fvertinti \u0161i\u0105 elgsen\u0105 skirtingose temperat\u016brose ir kryptyse, tod\u0117l galima suprasti pl\u0117vel\u0117s \u0161ilumines savybes ir stabilum\u0105.<\/p>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Pl\u0117vel\u0117s susitraukimo testeris ir terminio susitraukimo testeris pakuot\u0117se<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Kasdien\u0117s chemijos ir asmens higienos produkt\u0173 pakuo\u010di\u0173 taikymas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u012e <strong>asmenin\u0117s higienos ir kasdien\u0117s chemijos pramon\u0117s \u0161akos.<\/strong>, pakuot\u0117s estetika ir eksploatacin\u0117s savyb\u0117s yra vienodai svarbios. Tokiems produktams kaip \u0161amp\u016bnai, plovikliai, losjonai ir buitiniai valikliai da\u017enai naudojamos \u0161iluma susitraukian\u010dios pl\u0117vel\u0117s. Susitraukimas turi b\u016bti <strong>vienodas, kontroliuojamas ir nusp\u0117jamas.<\/strong>, ypa\u010d sandarinimo metu arba po u\u017epildymo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Patikimas <strong>pl\u0117vel\u0117s susitraukimo testeris<\/strong> leid\u017eia gamintojams:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u012evertinti susitraukimo charakteristikas esant \u012fvairioms temperat\u016broms<\/li>\n\n\n\n<li>Suprasti krypting\u0105 elgsen\u0105 (ma\u0161inos ir skersin\u0117s krypties)<\/li>\n\n\n\n<li>Suma\u017einti pakuot\u0117s deformacij\u0105 sandarinimo metu<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117 <strong>Cell Instruments <a href=\"https:\/\/www.shrinkagetester.com\/lt\/\">FST-01 terminio susitraukimo testeris<\/a><\/strong> sukurtas b\u016btent \u0161iems poreikiams patenkinti, kad u\u017etikrint\u0173 nuoseklius ir tikslius rezultatus, atitinkan\u010dius <strong>ASTM D2732<\/strong> specifikacijos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kod\u0117l verta naudoti terminio susitraukimo tester\u012f?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Didelio na\u0161umo <strong>\u0161ilumos susitraukimo testeris<\/strong> kaip FST-01 padeda:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Steb\u0117ti proceso skirtumus tarp pl\u0117vel\u0117s partij\u0173<\/li>\n\n\n\n<li>Optimizuoti \u0161iluminio sandarinimo \u012frangos nustatymus<\/li>\n\n\n\n<li>U\u017etikrinti atitikt\u012f pasauliniams pakavimo standartams<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u012erengtas <strong>tiksli\u0105 temperat\u016br\u0105 kontroliuojanti skys\u010dio vonia<\/strong> ir pasirenkamais keli\u0173 m\u0117gini\u0173 laikikliais, FST-01 suteikia testavimo lankstumo neaukojant tikslumo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kaip veikia ASTM D2732 bandymas<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Bandymo metodo ap\u017evalga<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D2732<\/strong> pateikiamas strukt\u016brinis metodas, taikomas laisvajam susitraukimui matuoti:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u0117ginio paruo\u0161imas<\/strong>:<br>I\u0161kirpkite 100 mm \u00d7 100 mm dyd\u017eio pl\u0117vel\u0117s pavyzd\u012f ir pa\u017eym\u0117kite ma\u0161inos krypt\u012f.<\/li>\n\n\n\n<li><strong>Kondicionavimas<\/strong>:<br>Bandiniams stabilizuoti kontroliuojamoje aplinkoje taikoma ASTM D618 A proced\u016bra.<\/li>\n\n\n\n<li><strong>Testo vykdymas<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u0160iluma a <strong>nereaktyvaus skys\u010dio vonia<\/strong> (pvz., glicerinas, polietilenglikolis) iki nustatytos temperat\u016bros \u00b10,5 \u00b0C tikslumu.<\/li>\n\n\n\n<li>Bandin\u012f panardinkite naudodami susitraukimo laikikl\u012f, kuris leid\u017eia nevar\u017eom\u0105 susitraukim\u0105.<\/li>\n\n\n\n<li>I\u0161matuokite matmenis prie\u0161 ir po panardinimo.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Duomen\u0173 apskai\u010diavimas<\/strong>:<br>Susitraukimas i\u0161rei\u0161kiamas procentais: Susitraukimas (%) = ((pradinis ilgis - galutinis ilgis) \/ pradinis ilgis) \u00d7 100<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160ie duomenys yra labai svarb\u016bs tiek <strong>med\u017eiagos apib\u016bdinimas<\/strong> ir <strong>kokyb\u0117s kontrol\u0117<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Privalumai <a href=\"https:\/\/www.shrinkagetester.com\/lt\/\">Cell Instruments<\/a>' FST-01 susitraukimo testeris<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kai kalbama apie <strong>pl\u0117vel\u0117s susitraukimo bandymai<\/strong>, FST-01 i\u0161 <strong>Cell Instruments<\/strong> yra labai patikimas sprendimas laboratorijoms ir gamintojams. Pagrindin\u0117s savyb\u0117s:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tiksli temperat\u016bros kontrol\u0117<\/strong> tiksliai atitinka ASTM D2732 standarto reikalavimus<\/li>\n\n\n\n<li><strong>Pritaikomi \u012frenginiai<\/strong> vieno arba keli\u0173 m\u0117gini\u0173 tyrimams.<\/li>\n\n\n\n<li><strong>Patogi vartotojui skaitmenin\u0117 s\u0105saja<\/strong> supaprastintam valdymui<\/li>\n\n\n\n<li>Kompakti\u0161ka ir tvirta konstrukcija, skirta <strong>\u012fprastinis kokyb\u0117s u\u017etikrinimas ir tyrim\u0173 bei pl\u0117tros testavimas.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Integrav\u0119 FST-01 \u012f kokyb\u0117s darbo proces\u0105, pakuo\u010di\u0173 k\u016br\u0117jai gali priimti pagr\u012fstus sprendimus d\u0117l med\u017eiag\u0173 pasirinkimo, apdorojimo s\u0105lyg\u0173 ir galutin\u0117s produkto i\u0161vaizdos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kod\u0117l ASTM D2732 yra b\u016btinas kokyb\u0117s kontrolei<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nesvarbu, ar gaminate pakavimo pl\u0117veles, ar naudojate jas tolesn\u0117se srityse, labai svarbu suprasti termin\u012f susitraukim\u0105. ASTM D2732 leid\u017eia:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Greitas pl\u0117vel\u0117s defekt\u0173 nustatymas<\/strong><\/li>\n\n\n\n<li><strong>Standartizuotas bendravimas<\/strong> tarp tiek\u0117j\u0173 ir keitikli\u0173<\/li>\n\n\n\n<li><strong>Proceso optimizavimas<\/strong> spausdinimas, sandarinimas ir laminavimas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Taikant \u0161\u012f metod\u0105 u\u017etikrinama, kad j\u016bs\u0173 pakuot\u0117 patikimai veikt\u0173, ypa\u010d jautrioje temperat\u016brai aplinkoje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Galutin\u0117s mintys<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D2732<\/strong> suteikia patikim\u0105 pagrind\u0105 \u012fvertinti pl\u0117veli\u0173 \u0161iluminio susitraukimo savybes. Ji ypa\u010d vertinga tokiose pramon\u0117s \u0161akose kaip <strong>kasdien\u0117s chemin\u0117s med\u017eiagos<\/strong>, <strong>asmenin\u0117 prie\u017ei\u016bra<\/strong>, <strong>medicinos<\/strong>, ir <strong>maisto produkt\u0173 pakuot\u0117s<\/strong>kai svarbus vizualinis ir mechaninis pl\u0117vel\u0117s stabilumas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Su <strong>FST-01 terminio susitraukimo testeris<\/strong> i\u0161 <strong>Cell Instruments<\/strong>, laboratorijos ir gamintojai gali u\u017etikrintai laikytis ASTM standart\u0173, kartu u\u017etikrindami nuoseklum\u0105, saug\u0105 ir pakuot\u0117s patrauklum\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DUK<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kam naudojamas ASTM D2732 standartas?<br>Juo matuojamas nesuvar\u017eytas plastikini\u0173 pl\u0117veli\u0173 \u0161iluminis susitraukimas, kad b\u016bt\u0173 galima \u012fvertinti j\u0173 reakcij\u0105 \u012f \u0161ilum\u0105 ir pl\u0117vel\u0117s stabilum\u0105.<\/li>\n\n\n\n<li>Kokiose pramon\u0117s \u0161akose naudojami pl\u0117vel\u0117s susitraukimo bandymai?<br>Daugiausia maisto produkt\u0173, vaist\u0173, asmens higienos priemoni\u0173 ir kasdieni\u0173 chemini\u0173 med\u017eiag\u0173 pakuot\u0117s.<\/li>\n\n\n\n<li>Kod\u0117l svarbu i\u0161matuoti nesuvar\u017eyt\u0105 susitraukim\u0105?<br>Jis parodo, kaip pl\u0117vel\u0117 reaguoja \u012f \u0161ilum\u0105 sandarinimo ar sand\u0117liavimo metu, ir padeda i\u0161vengti deformacij\u0173 ir defekt\u0173.<\/li>\n\n\n\n<li>Kiek tikslus yra Cell Instruments FST-01 testeris?<br>Jis u\u017etikrina \u00b10,5 \u00b0C temperat\u016bros kontrol\u0119 ir palaiko keli\u0173 ta\u0161k\u0173 bandymus, kad b\u016bt\u0173 galima gauti ASTM reikalavimus atitinkan\u010dius rezultatus.<\/li>\n\n\n\n<li>Ar daugiasluoksn\u0117s pl\u0117vel\u0117s gali b\u016bti bandomos pagal ASTM D2732 standart\u0105?<br>Taip. Metodas taikomas viensluoksn\u0117ms ir daugiasluoksn\u0117ms pl\u0117vel\u0117ms, ta\u010diau interpretuojant reik\u0117t\u0173 atsi\u017evelgti \u012f atskir\u0173 sluoksni\u0173 elgsen\u0105.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>The Importance of ASTM D2732 in Flexible Packaging Film Shrinkage Tester and Heat Shrinkage Tester in Packaging Applications in Packaging for Daily Chemical and Personal Care Products In the personal care and daily chemical industries, packaging aesthetics and performance are equally important. Products like shampoos, detergents, lotions, and household cleaners often use heat-shrinkable films. The [&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,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1311","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/posts\/1311","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/comments?post=1311"}],"version-history":[{"count":5,"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/posts\/1311\/revisions"}],"predecessor-version":[{"id":1332,"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/posts\/1311\/revisions\/1332"}],"wp:attachment":[{"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/media?parent=1311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/categories?post=1311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shrinkagetester.com\/lt\/wp-json\/wp\/v2\/tags?post=1311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}