Yin feshin Zinc yana nufin fasahar jiyya ta sama na sanya wani Layer na zinc akan saman karfe, gami ko faffadan kayan sa don taka rawa na kyau da rigakafin tsatsa.Babban hanyar da aka yi amfani da ita ita ce galvanizing tsoma zafi.
To mene ne illar fesa zinc akan busasshen simintin ƙarfe na nodular?
Saboda yawan sinadarin carbon da ke cikin simintin ƙarfe, ƙarfe-carbon alloys na tsatsa da sauri cikin yanayin jika.Idan ka kalli ƙarfen alade a cikin wurin ganowa, tabbas zai yi tsatsa a waje.Zinc yana da aiki fiye da ƙarfe da jan ƙarfe, don haka rufin ƙarfe da zinc zai iya kare shi daga lalata.Ana amfani da wannan tsari ne musamman a masana'antar gine-gine da na jiragen ruwa, inda wani sinadari ke faruwa idan aka lulluɓe baƙin ƙarfe da zinc, wanda ke rufe ƙarfen tare da Layer na kariya na ZnC03, 3Zn (OH) 2 da makamantansu.Rage lalata na waje don bushe kanta.
Tutiya Layer taka muhimmiyar rawa a anticorrosion yi: a daya hannun, samuwar m insoluble m fim a haɗe zuwa tube bango, iya ƙwarai rage electrochemical da microbial lalata;A gefe guda, zinc na ƙarfe kuma yana da tasirin juriya na lalata filastik, yana ƙarfafa kariyar bututun.Zinc + kwalta ikon hana lalata kuma yana nunawa a cikin hulɗar da ke tsakanin su biyu: tsakanin zinc da simintin ƙarfe da kuma tsakanin zinc da kwalta yana da kyau adhesion, zuwa bututun da waje don gina cikakken shinge mai kariya, da hana anti- gazawar lalata.