{"id":9849,"date":"2026-02-24T15:11:45","date_gmt":"2026-02-24T07:11:45","guid":{"rendered":"https:\/\/www.packqc.com\/standard\/astm-d1922-2\/"},"modified":"2026-04-16T09:53:05","modified_gmt":"2026-04-16T01:53:05","slug":"astm-d1922","status":"publish","type":"standard","link":"https:\/\/www.packqc.com\/fi\/standard\/astm-d1922\/","title":{"rendered":"ASTM D1922"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Elmendorfin repe\u00e4miskest\u00e4vyys: ASTM D1922: Miksi ASTM D1922:lla on merkityst\u00e4<\/h2>\n\n\n\n<p><strong data-start=\"842\" data-end=\"871\">Elmendorfin rep\u00e4isykest\u00e4vyys<\/strong> on perustavanlaatuinen mekaaninen ominaisuus materiaaleille, kuten polyeteenille, polypropeenille, polyesterille ja muille joustavissa pakkauksissa k\u00e4ytett\u00e4ville kalvoille. Standardissa ASTM D1922 esitet\u00e4\u00e4n johdonmukainen, toistettava menetelm\u00e4 t\u00e4m\u00e4n ominaisuuden arvioimiseksi.<\/p>\n\n\n\n<p>ASTM D1922:n merkitys perustuu sen kykyyn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"1163\" data-end=\"1189\">Kyynelvahvuuden kvantifiointi<\/strong> sek\u00e4 koneen ett\u00e4 poikittaissuunnassa.<\/li>\n\n\n\n<li>Paljasta materiaali <strong data-start=\"1251\" data-end=\"1265\">anisotropia<\/strong>, erityisesti suuntautuneissa elokuvissa.<\/li>\n\n\n\n<li>Simuloidaan todellista pakkausk\u00e4ytt\u00f6\u00e4 vastaavia rep\u00e4isyolosuhteita.<\/li>\n<\/ul>\n\n\n\n<p>T\u00e4m\u00e4 menetelm\u00e4 on erityisen hy\u00f6dyllinen vertailtaessa <strong data-start=\"1411\" data-end=\"1454\">repeytymiskest\u00e4vyys eri materiaalieriss\u00e4<\/strong>, varmistamalla kalvon yhdenmukaisuus tuotannossa ja tarkistamalla toimittajien eritelm\u00e4t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D1922 -testien keskeiset periaatteet<\/h2>\n\n\n\n<p>ASTM D1922 mittaa repe\u00e4m\u00e4n etenemist\u00e4 k\u00e4ytt\u00e4en <strong data-start=\"1632\" data-end=\"1671\">heilurityyppinen Elmendorfin rep\u00e4isykoje<\/strong>. Esileikattu n\u00e4yte kiinnitet\u00e4\u00e4n paikallaan olevan varren ja liikkuvan heilurivarren v\u00e4liin. Kun heiluri vapautetaan, se repii n\u00e4ytett\u00e4 esileikatun raon suuntaisesti. T\u00e4m\u00e4n prosessin aikana menetetty energia, jonka heilurin kaari osoittaa, vastaa materiaalin rep\u00e4isylujuutta.<\/p>\n\n\n\n<p>T\u00e4m\u00e4 testi antaa kvantitatiivisen lukeman <strong data-start=\"1986\" data-end=\"2021\">rep\u00e4isyvoima millinewtoneina (mN)<\/strong> tai <strong data-start=\"2025\" data-end=\"2045\">grammavoima (gf)<\/strong>, laitteen kokoonpanosta riippuen. On t\u00e4rke\u00e4\u00e4 ottaa huomioon seuraavat tekij\u00e4t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"2133\" data-end=\"2157\">N\u00e4ytteen suuntaus<\/strong> (koneen vs. poikittaissuunta)<\/li>\n\n\n\n<li><strong data-start=\"2195\" data-end=\"2217\">N\u00e4ytteen paksuus<\/strong>, joka olisi ilmoitettava, mutta jota ei suoraan korreloida repe\u00e4misvoiman kanssa.<\/li>\n\n\n\n<li><strong data-start=\"2293\" data-end=\"2312\">Testiolosuhteet<\/strong>, kuten l\u00e4mp\u00f6tila ja kosteus, joiden on noudatettava ASTM:n ohjeita (tyypillisesti 23 \u00b1 2 \u00b0C ja 50 \u00b1 10% RH).<\/li>\n<\/ul>\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=\"Kuinka suorittaa Elmendortin rep\u00e4isytesti muovikalvon\u00e4ytteelle?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/oo5j21g_thM?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<h2 class=\"wp-block-heading\">Muovikalvon rep\u00e4isylujuus: Real-World Relevance<\/h2>\n\n\n\n<p>Elintarvikepakkauksissa, l\u00e4\u00e4kepakkauksissa ja teollisuussovelluksissa k\u00e4ytett\u00e4viin muovikalvoihin kohdistuu usein mekaanista rasitusta. Kalvo, jolla on huono <strong data-start=\"2619\" data-end=\"2636\">rep\u00e4isylujuus<\/strong> saattaa rikkoutua t\u00e4yt\u00f6n, sulkemisen tai kuljetuksen aikana, mik\u00e4 johtaa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tuotteen h\u00e4vi\u00e4minen<\/li>\n\n\n\n<li>S\u00e4ilyvyysajan lyhent\u00e4minen<\/li>\n\n\n\n<li>Br\u00e4ndin maineen vahingoittuminen<\/li>\n<\/ul>\n\n\n\n<p>ASTM D1922:n avulla materiaalien kehitt\u00e4j\u00e4t ja laadunvalvonnan ammattilaiset voivat <strong data-start=\"2837\" data-end=\"2870\">valitse kest\u00e4vimm\u00e4t kalvot<\/strong> erityisi\u00e4 sovelluksia varten. Se auttaa my\u00f6s pakkausten valmistajia asettamaan hyv\u00e4ksytt\u00e4v\u00e4n suorituskyvyn raja-arvot uusien tuotteiden kehitt\u00e4misen aikana.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Elmendorfin rep\u00e4isytestin rooli ASTM D1922:ssa.<\/h2>\n\n\n\n<p>An <strong data-start=\"3067\" data-end=\"3092\">Elmendorfin rep\u00e4isykokeet<\/strong> on t\u00e4ss\u00e4 testimenetelm\u00e4ss\u00e4 olennainen v\u00e4line. Se tarjoaa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3157\" data-end=\"3186\">Toistettava testimekaniikka<\/strong>, jonka heilurienergia on kalibroitu ASTM:n ohjeiden mukaisesti.<\/li>\n\n\n\n<li><strong data-start=\"3244\" data-end=\"3272\">Tarkat digitaaliset lukemat<\/strong>, tulkinnanvaraisuuden minimointi<\/li>\n\n\n\n<li><strong data-start=\"3310\" data-end=\"3333\">Johdonmukainen puristus<\/strong>, jolloin varmistetaan tasainen rep\u00e4isykulku<\/li>\n<\/ul>\n\n\n\n<p>Cell Instruments tarjoaa <strong data-start=\"3393\" data-end=\"3425\">SLD-01 Elmendorfin rep\u00e4isytesteri<\/strong>, luotettava ratkaisu laboratorioihin ja tuotantotiloihin. SLD-01 on yhteensopiva seuraavien standardien kanssa <strong data-start=\"3516\" data-end=\"3530\">ASTM D1922<\/strong> ja <strong data-start=\"3535\" data-end=\"3549\">ISO 6383-2<\/strong>, featuring:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Muokattavat heiluripainot eri materiaalityypeille<\/li>\n\n\n\n<li>Digitaalinen tulosn\u00e4ytt\u00f6, jossa on tietojen kirjausominaisuus<\/li>\n\n\n\n<li>Tukeva rakenne takaa pitk\u00e4aikaisen tarkkuuden ja luotettavuuden<\/li>\n<\/ul>\n\n\n\n<p>T\u00e4m\u00e4 laite on ihanteellinen <strong data-start=\"3770\" data-end=\"3819\">laadunvalvonta muovikalvon valmistuksessa<\/strong>, joustavien pakkausten arviointi ja tutkimuslaboratoriot, joissa analysoidaan polymeerien k\u00e4ytt\u00e4ytymist\u00e4 mekaanisen rasituksen alaisena.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Oikean kitkakertoimen testauslaitteen valinta<br>\n<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.packqc.com\/fi\/\">Cell Instruments Co., Ltd.<\/a> on erikoistunut <strong data-start=\"4020\" data-end=\"4069\">kalvojen ja pakkausmateriaalien testausratkaisut<\/strong>. Meill\u00e4 on vuosien kokemus muun muassa l\u00e4\u00e4ke-, elintarvike-, elektroniikka- ja l\u00e4\u00e4kint\u00e4pakkausten kaltaisten teollisuudenalojen palvelemisesta, joten ymm\u00e4rr\u00e4mme kysynn\u00e4n <strong data-start=\"4211\" data-end=\"4241\">tarkat, toistettavat tiedot<\/strong>.<\/p>\n\n\n\n<p>Tuemme asiakkaitamme:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"4276\" data-end=\"4308\">Korkean suorituskyvyn v\u00e4lineet<\/strong>, kuten SLD-01<\/li>\n\n\n\n<li><strong data-start=\"4328\" data-end=\"4353\">Mukautetut testausasetukset<\/strong> erikoiskalvoja varten<\/li>\n\n\n\n<li><strong data-start=\"4378\" data-end=\"4413\">Automaatio ja tietojen integrointi<\/strong> QC-prosessien virtaviivaistaminen<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\n\t\t\t\tOta yhteytt\u00e4 Hanki ASTM D1894 -testausratkaisu\t\t\t\t<\/h2>\n\n\n\n<p>Ymm\u00e4rt\u00e4minen ja soveltaminen <strong data-start=\"5050\" data-end=\"5064\"><a href=\"https:\/\/store.astm.org\/d1922-23.html?_gl=1*xkuj15*_gcl_aw*R0NMLjE3Njg3ODk3MzcuQ2owS0NRaUFwckxMQmhDTUFSSXNBRURoZFBmZnpaMHVBMGMtdjB4RWdqR0hGSWVCaVZjeTJBM3RfRHV0ajduOVh3QlJuQUVlbGdZOU00TWFBcWlSRUFMd193Y0I.*_gcl_au*MTkwOTY2MzAwNC4xNzY1Nzc5ODUz\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D1922<\/a><\/strong> testimenetelm\u00e4 on olennainen arvioitaessa <strong data-start=\"5105\" data-end=\"5134\">Elmendorfin rep\u00e4isykest\u00e4vyys<\/strong> ja varmistaa <strong data-start=\"5152\" data-end=\"5186\">muovikalvojen rep\u00e4isylujuus<\/strong> t\u00e4ytt\u00e4\u00e4 sovelluksen vaatimukset. Olipa kyse uusien materiaalien kehitt\u00e4misest\u00e4, tuotantoerien validoinnista tai vertailevasta analyysist\u00e4, ASTM D1922 tarjoaa standardoidun, kansainv\u00e4lisesti tunnustetun l\u00e4hestymistavan.<\/p>\n\n\n\n<p>Sis\u00e4llytt\u00e4m\u00e4ll\u00e4 <strong data-start=\"5417\" data-end=\"5449\">SLD-01 Elmendorfin rep\u00e4isytesteri<\/strong> Cell Instruments:st\u00e4 laboratorio- tai tuotantoty\u00f6nkulkuun, saat k\u00e4ytt\u00f6\u00f6si seuraavat ominaisuudet <strong data-start=\"5529\" data-end=\"5585\">tarkka, tehokas ja standardien mukainen testaus<\/strong> - mahdollistaa paremmat p\u00e4\u00e4t\u00f6kset ja tuotteiden laadun parantamisen.<\/p>","protected":false},"excerpt":{"rendered":"<p>Elmendorf Tear Resistance: Why ASTM D1922 Matters Elmendorf tear resistance is a fundamental mechanical property for materials like polyethylene, polypropylene, polyester, and other films used in flexible packaging. The ASTM D1922 standard outlines a consistent, repeatable method to evaluate this property. The significance of ASTM D1922 lies in its ability to: This method is particularly [&hellip;]<\/p>","protected":false},"featured_media":6516,"parent":0,"template":"","meta":{"_acf_changed":true,"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":"","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":""}}},"standard-category":[611],"class_list":["post-9849","standard","type-standard","status-publish","has-post-thumbnail","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/standard\/9849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/types\/standard"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/media\/6516"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/media?parent=9849"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.packqc.com\/fi\/wp-json\/wp\/v2\/standard-category?post=9849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}