Official Answer
Answer
Black oxide (MIL-DTL-13924) yana ba da ƙarancin juriya na lalata (mafi yawa don kayan ado da riƙe mai haske) kuma yana da tasiri mara kyau akan gajiya. Zinc Phosphate (nauyin phosphate), duk da haka, yana ba da tsari mai ƙyalƙyali wanda ke riƙe da mai mai hana lalata, yana ba da ingantaccen juriya na feshin gishiri. Koyaya, tsarin phosphating ya ƙunshi matakin tsinke acid wanda, kamar plating, zai iya haifar da haɓakar hydrogen. Bugu da ƙari kuma, don aikace-aikacen gajiya mai tsayi, tsarin crystalline na phosphate zai iya aiki a matsayin micro-abrasive idan zobe yana da rawar jiki. Don matsakaicin rayuwan gajiyawa a cikin yanayi mara kyau, sauƙaƙan tsoma mai ko canzawa zuwa 302SS galibi ana fifita.
