An fi yin shi ne da bututun ƙarfe, waɗanda ke da saurin lalata halayen, kuma akwai wani ɓoyayyiyar haɗari ga lalacewar kayan aiki bayan lalata.Bayan cire kowane irin mai, tsatsa, sikeli, wuraren walda da sauran datti, zai iya inganta juriya na lalata da ƙarfe.

Idan akwai datti a samanbakin karfe bututu, sai a tsaftace ta da injina sannan a shafe ta.Kasancewar maiko a saman zai shafi ingancin pickling da passivation.A saboda wannan dalili, ba za a iya cire degreasing ba.Za ka iya amfani da lye, emulsifiers, Organic kaushi da tururi.

Passivation shine mataki na ƙarshe na tsari na tsaftace sinadarai kuma mataki ne mai mahimmanci.Manufarsa ita ce hana lalata kayan.Misali, bayan an tsinke tukunyar jirgi, a wanke da ruwa, sannan a kurkure, karfen yana da tsafta sosai, yana kunnawa sosai, kuma yana iya lalacewa cikin sauki, don haka dole ne a ba da shi nan da nan don samar da fim mai kariya a saman da aka tsabtace karfe don ragewa. lalata.