{"id":134,"date":"2025-03-27T08:01:03","date_gmt":"2025-03-27T08:01:03","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?page_id=134"},"modified":"2025-09-18T09:02:07","modified_gmt":"2025-09-18T09:02:07","slug":"astm-d1894","status":"publish","type":"page","link":"https:\/\/www.coefficientfriction.com\/fi\/astm-d1894","title":{"rendered":"ASTM D1894"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"134\" class=\"elementor elementor-134\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e87c6b2 e-flex e-con-boxed e-con e-parent\" data-id=\"e87c6b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d087c52 e-con-full e-flex e-con e-child\" data-id=\"d087c52\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d9f31fd elementor-invisible elementor-widget elementor-widget-image\" data-id=\"d9f31fd\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"200\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-D1894-1.webp\" class=\"attachment-large size-large wp-image-77\" alt=\"ASTM D1894\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-D1894-1.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ASTM-D1894-1-300x100.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-60fbb6b e-con-full e-flex e-con e-child\" data-id=\"60fbb6b\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e3633c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"0e3633c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Testimenetelm\u00e4 muovikalvojen ja -levyjen staattisten ja kineettisten kitkakertoimien m\u00e4\u00e4ritt\u00e4miseksi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a73bac6 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"a73bac6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"464\" data-end=\"1024\">Materiaalin testauksessa, <em data-start=\"485\" data-end=\"497\">ASTM D1894<\/em> on yksi laajimmin tunnustetuista standardeista, joilla m\u00e4\u00e4ritet\u00e4\u00e4n <strong data-start=\"565\" data-end=\"612\">staattinen ja kineettinen kitkakerroin<\/strong> muovikalvot ja -levyt. T\u00e4m\u00e4 vakiotestausmenetelm\u00e4 tarjoaa ratkaisevan t\u00e4rke\u00e4\u00e4 tietoa liukumisominaisuuksien arvioimiseksi, sill\u00e4 ne vaikuttavat suoraan pakkausten suorituskykyyn, k\u00e4sittelyn tehokkuuteen ja loppuk\u00e4ytt\u00e4jien tyytyv\u00e4isyyteen. Noudattamalla <em data-start=\"836\" data-end=\"856\">ASTM D1894 -testaus<\/em> menettelyjen avulla valmistajat ja laadunvalvonnan ammattilaiset voivat varmistaa, ett\u00e4 kalvot t\u00e4ytt\u00e4v\u00e4t suorituskykyodotukset, v\u00e4hent\u00e4\u00e4 tuotevirheit\u00e4 ja parantaa yhdenmukaisuutta.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7d644ae e-flex e-con-boxed e-con e-parent\" data-id=\"7d644ae\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-08ee8ec elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"08ee8ec\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mik\u00e4 on ASTM D1894?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4bea887 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"4bea887\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1062\" data-end=\"1361\">ASTM D1894 m\u00e4\u00e4rittelee, miten kitkaominaisuudet mitataan, kun n\u00e4yte liukuu itsens\u00e4 tai toisen alustan yli. Tuloksena saadut arvot ilmaistaan <strong data-start=\"1217\" data-end=\"1257\">staattinen kitkakerroin (COF)<\/strong>-liukumisen k\u00e4ynnist\u00e4miseen tarvittava voima - ja <strong data-start=\"1305\" data-end=\"1320\">kineettinen COF<\/strong>-liikkeen yll\u00e4pit\u00e4miseen tarvittava voima.<\/p><p data-start=\"1363\" data-end=\"1664\">N\u00e4iden muuttujien merkitys on siin\u00e4, ett\u00e4 ne ovat suoraan yhteydess\u00e4 <strong data-start=\"1437\" data-end=\"1509\">kalvon k\u00e4sittely, pakkauskoneiden suorituskyky ja kuluttajan k\u00e4ytett\u00e4vyys<\/strong>. Esimerkiksi kalvot, joiden COF-arvo on liian korkea, voivat jumiuttaa pakkauskoneita, kun taas kalvot, joiden COF-arvo on liian alhainen, voivat liukua hallitsemattomasti pinoamisen tai k\u00e4\u00e4rimisen aikana.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0364755 e-flex e-con-boxed e-con e-parent\" data-id=\"0364755\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f673fbc elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"f673fbc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Kitkakerroin Testimenetelm\u00e4<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-156f03e elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"156f03e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Kitkakerroin (COF) mittaa, kuinka helposti jokin materiaali liukuu toisen materiaalin yli. ASTM D1894 m\u00e4\u00e4rittelee kaksi keskeist\u00e4 mittausta:<\/p><ul data-spread=\"false\"><li><p><strong>Staattinen COF<\/strong>: Voima, joka tarvitaan kahden pinnan v\u00e4lisen liikkeen k\u00e4ynnist\u00e4miseen.<\/p><\/li><li><p><strong>Kineettinen COF<\/strong>: Voima, joka tarvitaan liikkeen yll\u00e4pit\u00e4miseen liukumisen alettua.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38e9bd9 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"38e9bd9\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Kitkakertoimen testausmenettely<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ec3aabc elementor-widget elementor-widget-text-editor\" data-id=\"ec3aabc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2386\" data-end=\"2545\">Testi osoittaa, miten liukuominaisuudet kehittyv\u00e4t ajan my\u00f6t\u00e4, mik\u00e4 on kriittinen tekij\u00e4 kalvoissa, joissa on ajasta riippuvia lis\u00e4aineita.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b4a43e8 e-con-full e-flex e-con e-child\" data-id=\"b4a43e8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-949eee6 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"949eee6\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol><li>A <strong>kelkka<\/strong> (tyypillisesti metallia, jolla on vakiopaino) asetetaan testattavan materiaalin p\u00e4\u00e4lle.<\/li><li>Testin\u00e4yte kiinnitet\u00e4\u00e4n <strong>tasainen taso<\/strong> (usein kiillotettu pinta, kuten lasi tai metalli).<\/li><li>Voimanmittauslaite, kuten esim. <strong>COF-01 Kitkakertoimen testauslaitteet<\/strong>, vet\u00e4\u00e4 kelkkaa v\u00e4hitellen pinnan yli.<\/li><li>Resistanssi mitataan ja sit\u00e4 k\u00e4ytet\u00e4\u00e4n laskettaessa <strong>staattinen ja kineettinen kitkakerroin<\/strong>.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e43e1f1 elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-video\" data-id=\"e43e1f1\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/NUgXENOz8J0&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;play_on_mobile&quot;:&quot;yes&quot;,&quot;mute&quot;:&quot;yes&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;_animation&quot;:&quot;fadeInRight&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36f0624 elementor-widget elementor-widget-text-editor\" data-id=\"36f0624\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"3206\" data-end=\"3431\">Tarkat tulokset riippuvat suuresti <strong data-start=\"3241\" data-end=\"3318\">n\u00e4ytteiden valmistelu, laitteiden kalibrointi ja testausymp\u00e4rist\u00f6n valvonta<\/strong>. Pinnan likaantuminen, lis\u00e4aineiden ep\u00e4tasainen kukinta tai virheellinen kiinnitys voivat kaikki johtaa harhaanjohtaviin tuloksiin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9d958da e-flex e-con-boxed e-con e-parent\" data-id=\"9d958da\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5055911 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"5055911\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Kitkakertoimen testauslaitteet<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cac45b elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"7cac45b\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-pm-slice=\"1 1 []\">Suorittaa <a href=\"https:\/\/www.coefficientfriction.com\/fi\/astm-d1894\"><strong>ASTM D1894<\/strong><\/a> testaus tarkasti, erikoistunut <a href=\"https:\/\/www.coefficientfriction.com\/fi\/coefficient-of-friction-testing-equipment\/\"><strong>kitkakertoimen testauslaitteet<\/strong><\/a> tarvitaan. N\u00e4ill\u00e4 laitteilla varmistetaan testimuuttujien, kuten nopeuden, voiman ja ymp\u00e4rist\u00f6olosuhteiden tarkka hallinta.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0424cfa e-con-full e-grid e-con e-child\" data-id=\"0424cfa\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-a290580 e-con-full e-flex e-con e-child\" data-id=\"a290580\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-02517ec elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"02517ec\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COF-testauslaitteiden t\u00e4rkeimm\u00e4t osat<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38c9c0f elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"38c9c0f\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Kelkka<\/strong>: Standardoitu painolohko, jota k\u00e4ytet\u00e4\u00e4n kitkan mittaamiseen.<\/li><li><strong>Testitaso<\/strong>: Sile\u00e4, vakaa pinta, jolle testattava materiaali asetetaan.<\/li><li><strong>Voima-anturi<\/strong>: Mittaa kelkan ja n\u00e4ytteen v\u00e4lisen vastuksen.<\/li><li><strong>Hihnapy\u00f6r\u00e4j\u00e4rjestelm\u00e4<\/strong>: Yll\u00e4pit\u00e4\u00e4 tasaisen voimank\u00e4yt\u00f6n.<\/li><li><strong>Tiedonkeruuj\u00e4rjestelm\u00e4<\/strong>: Tallentaa ja laskee staattiset ja kineettiset COF-arvot.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3a3fc5c e-con-full e-flex e-con e-child\" data-id=\"3a3fc5c\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e1f2e3 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"9e1f2e3\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.coefficientfriction.com\/fi\/coefficient-of-friction-testing-equipment\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-01.webp\" class=\"attachment-full size-full wp-image-96\" alt=\"kitkakertoimen testauslaitteet 01\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-01.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-01-300x300.webp 300w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/coefficient-of-friction-testing-equipment-01-150x150.webp 150w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/elementor\/thumbs\/coefficient-of-friction-testing-equipment-01-r3gmfg1nnljvgm1sgd9e374sfjg8cayrot70czv2xs.webp 400w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/elementor\/thumbs\/coefficient-of-friction-testing-equipment-01-r3gmfg1ovgcb2m7iva4k79z5gvnv026hkls6iecayw.webp 500w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/elementor\/thumbs\/coefficient-of-friction-testing-equipment-01-r3gmfg1nwdb5s7ojc5fmiewgn0ak2nlwv641l9yiy0.webp 420w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dda243 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"4dda243\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"3780\" data-end=\"4096\">K\u00e4ytett\u00e4viss\u00e4 olevista ratkaisuista <strong>Coefficientfriction.com:n<\/strong><strong data-start=\"3811\" data-end=\"3869\">\u00a0COF-01 Kitkakertoimen testaaja<\/strong> erottuu tarkkuudellaan ja ASTM D1894 -standardin mukaisuudellaan. COF-01 on suunniteltu sek\u00e4 kalvoille ett\u00e4 levyille, ja se takaa toistettavat tulokset, joten se on ihanteellinen laboratorioille, pakkausyrityksille ja laadunvalvontaviranomaisille.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-662ac3d e-flex e-con-boxed e-con e-parent\" data-id=\"662ac3d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5bc195f elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"5bc195f\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM D1894 -laitteeseen ja asetuksiin liittyvi\u00e4 n\u00e4k\u00f6kohtia<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac9f0d2 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"ac9f0d2\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4153\" data-end=\"4278\">The <strong data-start=\"4157\" data-end=\"4179\">ASTM D1894 -kiinnike<\/strong> sis\u00e4lt\u00e4\u00e4 tasotason ja kelkan, jonka paino ja mitat on m\u00e4\u00e4ritelty. Toistettavuuden saavuttamiseksi:<\/p><ul><li data-start=\"4282\" data-end=\"4355\">Kelkan on liikuttava n\u00e4ytteen ty\u00f6st\u00f6suunnan suuntaisesti.<\/li><li data-start=\"4358\" data-end=\"4426\">Reunojen on oltava suorakulmaiset, ja n\u00e4ytteiden on oltava tasaisia ilman ryppyj\u00e4.<\/li><li data-start=\"4429\" data-end=\"4515\">Jokaisesta n\u00e4ytteest\u00e4 on testattava v\u00e4hint\u00e4\u00e4n viisi n\u00e4ytett\u00e4 vaihtelun huomioon ottamiseksi.<\/li><\/ul><p data-start=\"4517\" data-end=\"4633\">N\u00e4iden yksityiskohtien huomioimisella varmistetaan, ett\u00e4 n\u00e4ytteen ep\u00e4tasaisuudet tai virheellinen kiinnitys eiv\u00e4t v\u00e4\u00e4rist\u00e4 tuloksia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-25d6974 e-flex e-con-boxed e-con e-parent\" data-id=\"25d6974\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-beb4dba elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"beb4dba\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM D1894 Testaus: Miksi sill\u00e4 on merkityst\u00e4<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b35d205 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"b35d205\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1712\" data-end=\"1902\">The <strong data-start=\"1716\" data-end=\"1738\">ASTM D1894 -testaus<\/strong> menettelyll\u00e4 varmistetaan, ett\u00e4 materiaalin toimittajat ja loppuk\u00e4ytt\u00e4j\u00e4t voivat kommunikoida yhteisell\u00e4 teknisell\u00e4 kielell\u00e4. Joitakin keskeisi\u00e4 syit\u00e4, miksi t\u00e4t\u00e4 testi\u00e4 k\u00e4ytet\u00e4\u00e4n laajasti, ovat seuraavat:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cca6b83 e-grid e-con-full e-con e-child\" data-id=\"cca6b83\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-43f140f e-con-full e-flex e-con e-child\" data-id=\"43f140f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4aaca6d elementor-widget elementor-widget-heading\" data-id=\"4aaca6d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Laadunvarmistus tuotannossa<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cb04ab elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"5cb04ab\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Empiiristen COF-arvojen avulla kalvojen tuottajat voivat valvoa liukuominaisuuksia ja yll\u00e4pit\u00e4\u00e4 johdonmukaisuutta.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cebaebb e-con-full e-flex e-con e-child\" data-id=\"cebaebb\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a94d1e5 elementor-widget elementor-widget-heading\" data-id=\"a94d1e5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pakkausten suorituskyvyn ennustaminen<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3333f6a elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"3333f6a\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Korreloimalla testituloksia todellisen suorituskyvyn kanssa valmistajat voivat ennakoida k\u00e4sittelyongelmia ennen niiden ilmenemist\u00e4.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bfb5798 e-con-full e-flex e-con e-child\" data-id=\"bfb5798\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38d70d9 elementor-widget elementor-widget-heading\" data-id=\"38d70d9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Lis\u00e4aineen arviointi<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3773016 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"3773016\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Liukkausominaisuudet johtuvat usein kalvojen, kuten polyeteenin, lis\u00e4aineista. Testaus auttaa arvioimaan n\u00e4iden lis\u00e4aineiden tehokkuutta ja vakautta.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4b2c572 e-con-full e-flex e-con e-child\" data-id=\"4b2c572\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-49c7ffd elementor-widget elementor-widget-heading\" data-id=\"49c7ffd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ik\u00e4\u00e4ntymisen ja pinnan kunnon vaikutukset<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3390706 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"3390706\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2386\" data-end=\"2545\">Testi osoittaa, miten liukuominaisuudet kehittyv\u00e4t ajan my\u00f6t\u00e4, mik\u00e4 on kriittinen tekij\u00e4 kalvoissa, joissa on ajasta riippuvia lis\u00e4aineita.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d2c64c e-flex e-con-boxed e-con e-parent\" data-id=\"6d2c64c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c394047 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c394047\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">UKK<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b484e06 elementor-invisible elementor-widget elementor-widget-n-accordion\" data-id=\"b484e06\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;default_state&quot;:&quot;expanded&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Harmonikka. Avaa linkit Enterill\u00e4 tai v\u00e4lily\u00f6nnill\u00e4, sulje linkit Escape-n\u00e4pp\u00e4imell\u00e4 ja navigoi nuolin\u00e4pp\u00e4imill\u00e4.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1890\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-1890\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. Miksi ASTM D1894 on t\u00e4rke\u00e4 pakkausteollisuudelle? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1890\" class=\"elementor-element elementor-element-4dda86b e-con-full e-flex e-con e-child\" data-id=\"4dda86b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b1ee56f elementor-widget elementor-widget-text-editor\" data-id=\"b1ee56f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Se varmistaa, ett\u00e4 muovikalvoilla on oikeat liukuominaisuudet, jotka mahdollistavat sujuvan k\u00e4sittelyn ja tuotteiden suojaamisen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1891\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1891\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. Mik\u00e4 ero on staattisen ja kineettisen kitkakertoimen v\u00e4lill\u00e4? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1891\" class=\"elementor-element elementor-element-4213cd7 e-con-full e-flex e-con e-child\" data-id=\"4213cd7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a5cb0ea elementor-widget elementor-widget-text-editor\" data-id=\"a5cb0ea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Staattinen COF mittaa liikkeen aloittamiseen tarvittavaa voimaa, kun taas kineettinen COF mittaa liikkeen yll\u00e4pit\u00e4miseen tarvittavaa voimaa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1892\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1892\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. Miten ymp\u00e4rist\u00f6olosuhteet vaikuttavat COF-testaukseen? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1892\" class=\"elementor-element elementor-element-8cbaf70 e-con-full e-flex e-con e-child\" data-id=\"8cbaf70\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed707d2 elementor-widget elementor-widget-text-editor\" data-id=\"ed707d2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L\u00e4mp\u00f6tila, kosteus ja pinnan ep\u00e4puhtaudet voivat vaikuttaa kitkamittauksiin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Test Method for Static and Kinetic Coefficients of Friction of Plastic Film and Sheeting In material testing, ASTM D1894 is one of the most widely recognized standards for determining the static and kinetic coefficients of friction of plastic films and sheeting. This standard test method provides crucial data for evaluating slip properties, which directly affect [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-134","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/pages\/134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/comments?post=134"}],"version-history":[{"count":6,"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/pages\/134\/revisions"}],"predecessor-version":[{"id":708,"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/pages\/134\/revisions\/708"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/media?parent=134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}