91精品一区二区三区在线观看,中文字幕精品一区二区三区在线,在线精品一区二区,色偷偷一区二区三区

Surfachem New Materials Co., Ltd.

Hotline:+86-27-83937661

E-mail Order Home

中文

Current location:Trivalent chromium black passivator

Chemical Name Surface Treatment Agent

Trivalent chromium black passivator

Product Code:LT678
CAS No：
Application:Suitable for black passivation of alkali zinc barrel plating and rack plating, normal temperature type; neutral salt spray test for 72 hours, no white rust

【Back】

Home
About
Product
Contact