Launi mai rufi nada ne samfur na zafi galvanized takardar, zafi aluminum plated tutiya farantin, electrogalvanized takardar, da dai sauransu, bayan surface pretreatment (sunadarai degreasing da sinadaran hira magani), mai rufi da wani Layer ko dama yadudduka na Organic shafi a saman, da kuma sai a gasa a warke.Domin an lullube shi da nau'ikan launuka daban-daban na launi mai launi na karfe mai suna, wanda ake magana da shi da murfi mai launi.Amfani da zafi-tsoma galvanized karfe tsiri a matsayin tushe abu na launi mai rufi karfe tsiri ban da zinc Layer kariya, Organic shafi a kan tutiya Layer taka rawar da sutura da kariya, hana tsatsa karfe tsiri, sabis rayuwa ya fi galvanized. tsiri, kusan sau 1.5.Coil ɗin da aka lulluɓe yana da nauyi mai sauƙi, kyakkyawan bayyanar da kyakkyawan juriya na lalata, kuma ana iya sarrafa shi kai tsaye