{"id":266,"date":"2021-01-20T22:30:27","date_gmt":"2021-01-20T22:30:27","guid":{"rendered":"https:\/\/www.purhotmelt.com\/?page_id=266"},"modified":"2021-01-20T22:30:29","modified_gmt":"2021-01-20T22:30:29","slug":"how-to-make-polyurethane-pur-hot-melt","status":"publish","type":"page","link":"https:\/\/www.purhotmelt.com\/nb\/how-to-make-polyurethane-pur-hot-melt\/","title":{"rendered":"Hvordan lage POLYURETAN PUR HOT MELT?"},"content":{"rendered":"<h1 class=\"wp-block-heading\"><\/h1>\n\n\n\n<p>Polyuretanreaktiv (PUR) smeltemasse er en kombinasjon mellom et PU-lim og et smeltelim. Kombinasjonen av et veldig raskt sett p\u00e5 grunn av den raske nedkj\u00f8lingen og herdingen etterp\u00e5 av PU-polymerene gir en sterk holdbar, konstruktiv binding. Som en typisk smeltemasse er dette limet solid f\u00f8r p\u00e5f\u00f8ring og utleveres med et spesifikt PUR-smeltesystem. PUR varm smelte herder ved kontakt med fuktighet i luften og danner en konstruktiv binding som ikke er i stand til ikke \u00e5 smelte p\u00e5 nytt. Normalt smelter termoplastiske smeltelim, som EVA og PO, hver gang det varmes opp. PUR smeltelim er tilgjengelig i p\u00e5f\u00f8ringstemperaturer med h\u00f8y og lav temperatur, med veldig rask innstilling eller lang \u00e5pningstid, avhengig av applikasjonskravene.<\/p>\n\n\n\n<p>Polyuretanlim er sterke og holdbare, derfor er det ideelt for en rekke bruksomr\u00e5der. Hotmelt PUR brukes i trebearbeiding, m\u00f8belproduksjon, montering av byggematerialer og mange andre applikasjoner som vil kreve en konstruktiv binding med s\u00e5 kort tid som mulig, og reduserer produksjonstiden som trengs i fabrikker. De fleste PUR-smelter limer seg i l\u00f8pet av fem sekunder og m\u00e5 herdes i 24 til 72 timer etterp\u00e5.<\/p>\n\n\n\n<p>Ferdig snekring, trim \/ kronforming, byggematerialer, trerammer, stein, leire, skuffesamling, skovarer, innpakning av profiler, teppestrips, laminat benkeplater, vindusrammer, keramiske plenpynt, peeling tapet, paneler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">OFTE STILTE SP\u00d8RSM\u00c5L OM REAKTIV POLYURETAN VARMT SMELT<\/h3>\n\n\n\n<p><strong>Sp\u00f8rsm\u00e5l: Er PUR smeltelim mer holdbare enn tradisjonelle termoplastiske smelter?<\/strong><\/p>\n\n\n\n<p>Varm smelter av polyuretan er i stand til \u00e5 gi en sterkere binding enn tradisjonelle smeltelim. PUR-smelteherder etter \u00e5 ha laget en sterk startbinding. Denne herdingsprosessen er ogs\u00e5 kjent som tverrbinding. Tverrbindingsprosessen lager bindinger internt (kohesjon) og sterke bindinger til underlaget (adhesjon).<\/p>\n\n\n\n<p><strong>Sp\u00f8rsm\u00e5l: Hvor f\u00e5r PUR hotmelt fuktigheten fra for herding?<\/strong><\/p>\n\n\n\n<p>Fuktighet er i luften og gjenstanden limes. Normalt er det rikelig med fuktighet i luften for \u00e5 fortsette \u00e5 herde PUR smeltepunkt, men sesongmessige p\u00e5virkninger kan feste eller redusere herdeprosessen.<\/p>\n\n\n\n<p><strong>Sp\u00f8rsm\u00e5l: Er det mulig \u00e5 forlenge holdbarheten til PUR smeltelim?<\/strong><\/p>\n\n\n\n<p>PUR smeltelim er pakket i en foliepose, denne emballasjen skal oppbevares p\u00e5 et kj\u00f8lig, t\u00f8rt sted. Ikke utsett PUR hot melt for regn, ikke lagre ute og forhindre kontakt med fuktighet. N\u00e5r du stenger for dagen, kan det v\u00e6re n\u00f8dvendig \u00e5 skylle systemet eller forsegle utsiden av dysen eller ekstruderen. FORSIKTIG: Ikke ber\u00f8r dysen, ekstruderen, belegget eller applikatoren n\u00e5r den er p\u00e5 maksimumstemperatur. Bruk alltid varmebeskyttende hansker.<\/p>","protected":false},"excerpt":{"rendered":"<p>Polyurethane Reactive (PUR) hot melt is a combination between a PU adhesive and a hot melt [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-266","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to make POLYURETHANE PUR HOT MELT? - PUR hot melt adhesives<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.purhotmelt.com\/nb\/how-to-make-polyurethane-pur-hot-melt\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to make POLYURETHANE PUR HOT MELT? 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