Tun da thicker sassa kafa a kan surface, m da hadaddun aka gyara na sikelin, irin wannan sassa pickling descaling in mun gwada da rikitarwa. Irin wannan kau da sako-sako da oxide sikelin bisa ga pickling mataki na cire toka rataye yi.

1, Sikeli maras kyau:
2, Pickling aiki: bayan sako-sako da sikelin, sau da yawa a haɗe zuwa sassa na saman Layer na launin toka rataye, rataye ash bayan cire oxide passivation.
3, Cire ash rataye mataki mataki: Sassan bayan pickling passivation aiwatar matalauta lalata juriya a cikin iska, kamar daukan hotuna zuwa iska, da sassa na surface tsatsa. Don haɓaka juriya na ɓarna na sassa, sassan dole ne su haifar da ƙasa mai yawa, juriya mai kyau na lalata fim, don cimma manufar juriya na lalata. Fim ɗin Passivation yana da kyau ko mara kyau zai shafi kai tsaye ga ingancin rayuwa da sassan bayyanar, abubuwan da suka shafi ingancin abun da ke ciki na fim ɗin wucewa da ingancin babban kayan aikin mafita.