Zf40 alkaline Zn Fe alloy process
1) the iron content in the coating is 0.3 ~ 0.7%
detail
Zf40 alkaline Zn Fe alloy process
1) The iron content in the coating is 0.3 ~ 0.7%
2) It can provide about 2 ~ 3 times higher corrosion resistance than galvanizing
3) Especially suitable for black passivation
