{"id":181,"date":"2025-03-28T07:16:18","date_gmt":"2025-03-28T07:16:18","guid":{"rendered":"https:\/\/www.coefficientfriction.com\/?page_id=181"},"modified":"2025-03-31T06:16:27","modified_gmt":"2025-03-31T06:16:27","slug":"iso-8295","status":"publish","type":"page","link":"https:\/\/www.coefficientfriction.com\/fi\/iso-8295","title":{"rendered":"ISO 8295"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"181\" class=\"elementor elementor-181\" 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\/ISO-8295.webp\" class=\"attachment-large size-large wp-image-171\" alt=\"ISO 8295\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ISO-8295.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ISO-8295-300x100.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\">Muovikalvojen ja -levyjen kitkakertoimen testaus<\/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>ISO 8295 on olennainen standardi, jossa m\u00e4\u00e4ritet\u00e4\u00e4n menetelm\u00e4, jolla m\u00e4\u00e4ritet\u00e4\u00e4n <b>kitkakerroin (COF)<\/b> muovikalvot ja -levyt. T\u00e4m\u00e4 testi tarjoaa j\u00e4sennellyn l\u00e4hestymistavan sen mittaamiseen, miten muovikalvo on vuorovaikutuksessa itsens\u00e4 tai muiden pintojen kanssa kontrolloiduissa olosuhteissa. <b>staattinen ja dynaaminen kitka<\/b>, jotka ovat ratkaisevan t\u00e4rkeit\u00e4 arvioitaessa muovimateriaalien k\u00e4sittely\u00e4, jalostusta ja k\u00e4ytett\u00e4vyytt\u00e4 eri teollisuudenaloilla, kuten seuraavilla aloilla <b>pakkaukset, elintarvikkeet, l\u00e4\u00e4kkeet ja elektroniikka<\/b>.<\/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-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\">Mik\u00e4 on ISO 8295?<\/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><strong>ISO 8295<\/strong>\u00a0on kansainv\u00e4linen standardi, jossa m\u00e4\u00e4ritell\u00e4\u00e4n menetelm\u00e4t enint\u00e4\u00e4n 0,5 mm:n paksuisten tarttumattomien muovikalvojen ja -levyjen kitkakertoimien (COF) m\u00e4\u00e4ritt\u00e4miseksi. Sill\u00e4 varmistetaan, ett\u00e4 materiaalit t\u00e4ytt\u00e4v\u00e4t suorituskykyvaatimukset esimerkiksi pakkauksissa, autojen sis\u00e4tiloissa ja l\u00e4\u00e4kinn\u00e4llisten laitteiden valmistuksessa. Standardoimalla testausolosuhteet - mukaan lukien l\u00e4mp\u00f6tila (23 \u00b0C \u00b1 2 \u00b0C), kosteus (50% \u00b1 5%) ja laitem\u00e4\u00e4rittelyt - ISO 8295 takaa laadunvalvonnan kannalta kriittiset toistettavat tulokset.<\/p>\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<h2 class=\"elementor-heading-title elementor-size-default\">Kitkakertoimen testaus: Kitkakitka: Periaatteet ja menetelm\u00e4t<\/h2>\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<div class=\"elementor-element elementor-element-1797b09 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"1797b09\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-47bfa6d elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"47bfa6d\" 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\">Keskeiset testausperiaatteet<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22b42a5 elementor-widget elementor-widget-text-editor\" data-id=\"22b42a5\" 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>osoitteessa\u00a0<strong>ISO 8295<\/strong>, kitkakertoimen testaus mittaa kahden kosketuksissa olevan pinnan v\u00e4list\u00e4 vastusta. Keskeisi\u00e4 m\u00e4\u00e4ritelmi\u00e4 ovat mm:<\/p><ul><li><strong>Staattinen kitka<\/strong>: Voima, joka tarvitaan pintojen v\u00e4lisen liikkeen k\u00e4ynnist\u00e4miseen.<\/li><li><strong>Dynaaminen kitka<\/strong>: Jatkuvan liukumisen aikana jatkuva voima.<\/li><\/ul><p>Kerroin lasketaan kitkavoiman (F) ja normaalivoiman (F) suhteena.<sub>P<\/sub>), joiden arvot vaihtelevat yleens\u00e4 0,2:sta 1:een.<\/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-2c0665b e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"2c0665b\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-843f947 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"843f947\" 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\">Laitteita koskevat vaatimukset<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-532058d elementor-widget elementor-widget-text-editor\" data-id=\"532058d\" 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>A my\u00f6ntyv\u00e4inen\u00a0<a href=\"https:\/\/www.coefficientfriction.com\/fi\/coefficient-of-friction-testing-equipment\/\" target=\"_blank\" rel=\"noopener\"><strong>COF-testauskone<\/strong><\/a>\u00a0t\u00e4ytyy sis\u00e4lt\u00e4\u00e4:<\/p><ol start=\"1\"><li><p><strong>Vaakasuora testausp\u00f6yt\u00e4<\/strong>: Varmistaa vakaan, t\u00e4rin\u00e4tt\u00f6m\u00e4n tuen.<\/p><\/li><li><p><strong>Kelkka<\/strong>: Standardoitu massa (200 g \u00b12 g) tasaisen paineen aikaansaamiseksi.<\/p><\/li><li><p><strong>Voimanmittausj\u00e4rjestelm\u00e4<\/strong>: Tarkkuusanturit, joiden virhemarginaali on \u22642%.<\/p><\/li><li><p><strong>Nopeuden s\u00e4\u00e4t\u00f6<\/strong>: 100 mm\/min tai 500 mm\/min erikoiskalvoille.<\/p><\/li><\/ol>\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-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\">ISO 8295 -standardin mukaisen testauksen t\u00e4rkeimm\u00e4t vaiheet<\/h2>\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 elementor-invisible e-con e-child\" data-id=\"a290580\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\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;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<h5>1. N\u00e4ytteen valmistelu<\/h5><ul><li>Leikataan n\u00e4ytteit\u00e4 (80 mm x 200 mm) materiaalin tasaisista osista.<\/li><li>Varmista, ett\u00e4 pinnat ovat puhtaat, p\u00f6lytt\u00f6m\u00e4t ja vahingoittumattomat.<\/li><\/ul><h5>2. Ehdollistaminen<\/h5><ul><li>N\u00e4ytteit\u00e4 esik\u00e4sitell\u00e4\u00e4n \u226516 tuntia 23 \u00b0C:ssa ja 50%:n kosteudessa materiaaliominaisuuksien vakauttamiseksi.<\/li><\/ul><h5>3. Testausmenettely<\/h5><ol><li>Kiinnit\u00e4 yksi n\u00e4yte testausp\u00f6yd\u00e4lle.<\/li><li>Aseta kelkka toisen n\u00e4ytteen p\u00e4\u00e4lle ja kohdista siihen 1,96 N:n normaalivoima.<\/li><li>Aloita liukuminen hallitulla nopeudella ja kirjaa staattiset (huippuvoima) ja dynaamiset (keskim\u00e4\u00e4r\u00e4inen voima 6 cm:n matkalla) kitka-arvot.<\/li><\/ol><h5>4. Tietojen analysointi<\/h5><p>Laske kertoimet k\u00e4ytt\u00e4m\u00e4ll\u00e4:<\/p><ul><li><strong>Staattinen COF<\/strong>: \u03bc<sub>S<\/sub>\u00a0= F<sub>S<\/sub>\u00a0\/ F<sub>P<\/sub> (Liikkeen k\u00e4ynnist\u00e4miseen tarvittava voima \/ Normaali voima)<\/li><li><strong>Dynaaminen COF<\/strong>: \u03bc<sub>D<\/sub>\u00a0= F<sub>D<\/sub>\u00a0\/ F<sub>P<\/sub> (Liikkeen yll\u00e4pit\u00e4miseen tarvittava voima \/ Normaali voima)<\/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-8c85174 elementor-invisible elementor-widget elementor-widget-video\" data-id=\"8c85174\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/NUgXENOz8J0&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 class=\"elementor-element elementor-element-f5aa253 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"f5aa253\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&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\" src=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/elementor\/thumbs\/coefficient-of-friction-testing-equipment-02-r3gmfhxbshv5s8cb9lwesyw1eucn1cj36pky39oul4.webp\" title=\"kitkakertoimen testauslaitteet 02\" alt=\"kitkakertoimen testauslaitteet 02\" loading=\"lazy\" \/>\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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f7106d9 e-flex e-con-boxed e-con e-parent\" data-id=\"f7106d9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-b0586e5 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"b0586e5\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-f9046cc e-con-full e-flex e-con e-child\" data-id=\"f9046cc\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4f0b8e elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c4f0b8e\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInLeft&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\">ISO 8295:n sovellukset teollisuudessa<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2186d6f elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"2186d6f\" 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<p>Muovikalvojen kitkaominaisuudet vaikuttavat merkitt\u00e4v\u00e4sti niiden suorituskykyyn seuraavissa tapauksissa <strong>pakkauslinjat, sinet\u00f6intikoneet ja muut k\u00e4sittelylaitteet<\/strong>. Korkea COF voi johtaa materiaalin jumiutumiseen, kun taas liian matala COF voi aiheuttaa <strong>liukuminen ja virheasento<\/strong>.\u00a0<\/p><p>Suorittamalla <strong>kitkakertoimen testaus<\/strong>, valmistajat voivat varmistaa, ett\u00e4 niiden tuotteet t\u00e4ytt\u00e4v\u00e4t <strong>ISO 8295<\/strong> standardit ja optimoida kalvon koostumukset haluttujen kitkaominaisuuksien saavuttamiseksi. T\u00e4m\u00e4 on erityisen t\u00e4rke\u00e4\u00e4:<\/p><ul data-spread=\"false\"><li><p><strong>Elintarvikepakkaukset:<\/strong> Automaattisten pakkaus- ja t\u00e4ytt\u00f6koneiden sujuvan toiminnan varmistaminen.<\/p><\/li><li><p><strong>L\u00e4\u00e4ketieteelliset pakkaukset:<\/strong> Kun kontrolloidut liukuominaisuudet est\u00e4v\u00e4t kontaminaation ja varmistavat steriilin k\u00e4sittelyn.<\/p><\/li><li><p><strong>Muovikalvon valmistus:<\/strong> Laadunvalvontaan ja tuotteiden yhdenmukaisuuteen.<\/p><\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-694940d e-con-full e-flex e-con e-child\" data-id=\"694940d\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-8ea1c6c e-con-full e-flex e-con e-child\" data-id=\"8ea1c6c\" data-element_type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f6ee6d5 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"f6ee6d5\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&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\">Muovikalvojen COF:\u00e4\u00e4n vaikuttavat tekij\u00e4t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-663e3cc elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"663e3cc\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&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>Muovikalvojen kitkak\u00e4ytt\u00e4ytymiseen vaikuttavat useat muuttujat, kuten:<\/p><ul><li><strong>Elokuvan koostumus<\/strong>: Lis\u00e4aineet, kuten liukastusaineet, voivat muuttaa pintaominaisuuksia.<\/li><li><strong>Pinnan rakenne<\/strong>: Sileill\u00e4 ja kohokuvioiduilla pinnoilla on erilaiset kitkatasot.<\/li><li><strong>Ymp\u00e4rist\u00f6olosuhteet<\/strong>: Kosteus ja l\u00e4mp\u00f6tila voivat vaikuttaa mittauksiin.<\/li><li><strong>Ik\u00e4\u00e4ntymisen vaikutukset<\/strong>: COF-arvot voivat muuttua ajan my\u00f6t\u00e4, kun liukastavia lis\u00e4aineita siirtyy pintaan.<\/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-c62fc60 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"c62fc60\" 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\/ISO-8295.webp\" class=\"attachment-large size-large wp-image-171\" alt=\"ISO 8295\" srcset=\"https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ISO-8295.webp 600w, https:\/\/www.coefficientfriction.com\/wp-content\/uploads\/2025\/03\/ISO-8295-300x100.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\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;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&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. Mik\u00e4 on ISO 8295 -standardin tarkoitus? <\/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>ISO 8295 standardoi menetelm\u00e4n staattisen ja dynaamisen l\u00e4mp\u00f6tilan m\u00e4\u00e4ritt\u00e4miseksi. <strong>kitkakerroin<\/strong> (COF) muovikalvojen johdonmukaisuuden ja laadun varmistamiseksi valmistuksessa.<\/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. Miten kitka vaikuttaa muovikalvon suorituskykyyn? <\/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>Kitka vaikuttaa kalvon k\u00e4sittelyyn <strong>pakkaus- ja k\u00e4sittelykoneet<\/strong>. Korkea kitka voi aiheuttaa jumiutumista, kun taas matala kitka voi johtaa liukumiseen ja virheasentoon.<\/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. Mitk\u00e4 tekij\u00e4t vaikuttavat COF-testin tuloksiin? <\/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>Materiaalikoostumus, pintarakenne, ymp\u00e4rist\u00f6olosuhteet ja kalvon vanheneminen vaikuttavat kaikki materiaaliin. <strong>kitkamittaukset<\/strong>.<\/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-1893\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1893\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. Mit\u00e4 ovat staattinen ja dynaaminen COF? <\/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-1893\" class=\"elementor-element elementor-element-f9fe3ff e-flex e-con-boxed e-con e-child\" data-id=\"f9fe3ff\" 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-7e0556e elementor-widget elementor-widget-text-editor\" data-id=\"7e0556e\" 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<ul><li><strong>Staattinen COF<\/strong>: Liikkeen k\u00e4ynnist\u00e4miseen tarvittava voima.<\/li><li><strong>Dynaaminen COF<\/strong>: Liikkeen yll\u00e4pit\u00e4miseen tarvittava voima.<\/li><\/ul>\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\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1894\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1894\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 5. Miksi valmistajien tulisi k\u00e4ytt\u00e4\u00e4 COF-01-kitkatesteri? <\/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-1894\" class=\"elementor-element elementor-element-c84fd44 e-flex e-con-boxed e-con e-child\" data-id=\"c84fd44\" 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-f5c5a07 elementor-widget elementor-widget-text-editor\" data-id=\"f5c5a07\" 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><span style=\"font-size: 16px;\">The <\/span><strong style=\"font-size: 16px;\">COF-01 kitkatesteri<\/strong><span style=\"font-size: 16px;\"> varmistaa <\/span><strong style=\"font-size: 16px;\">korkea tarkkuus, ISO 8295 -standardin noudattaminen ja optimoidut kalvo-ominaisuudet.<\/strong><span style=\"font-size: 16px;\">, mik\u00e4 tekee siit\u00e4 ihanteellisen teollisiin sovelluksiin.<\/span><\/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\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>Friction Coefficient Testing for Plastic Films and Sheets ISO 8295 is an essential standard that specifies the method for determining the coefficient of friction (COF) of plastic films and sheets. This test provides a structured approach to measure how a plastic film interacts with itself or other surfaces under controlled conditions, evaluates both static and [&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-181","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/pages\/181","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=181"}],"version-history":[{"count":5,"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/pages\/181\/revisions"}],"predecessor-version":[{"id":314,"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/pages\/181\/revisions\/314"}],"wp:attachment":[{"href":"https:\/\/www.coefficientfriction.com\/fi\/wp-json\/wp\/v2\/media?parent=181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}