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

Current location:Trivalent chromium color passivator
Chemical NameSurface Treatment Agent
Trivalent chromium color passivator
Trivalent chromium color passivator Product Code:LT666H
CAS No:
Application:Color passivation for alkaline zinc and zinc acid,heating type, can also be operated at room temperature; neutral salt spray test barrel plating for 120 hours, without white rust after rack plating for 168 hours
Back
Copyright (C) 2021,Wuhan Surfachem New Materials Co., Ltd. All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice