HN-68D Trivalent Chromium Blue Passivation
Commodity Name
HN-68D Trivalent Chromium Blue Passivation
Composition and Working Conditions
HN-680
Temperature
pH Value
Passivation time
Agitation
|
50-100mL/L
25-35℃
pH Value
15-30sec
mechanical agitation or air agitation
|
Application and Advantage
1. The products are completely free of Cr6+, and meet the requirement for exporting to Europe, America, Japan, etc.
2. It is suitable for all kinds of acid/alkaline zinc rack/barrel plating. It is used under room temperature.
3. The passivation solution can be used in a long time; instead of changing the solution frequently what you need to do is to add the solution according to the consumption.