HN-98 Trivalent Chromium Blue Passivation
Commodity Name
HN-98 Trivalent Chromium Blue Passivation
Composition and Working Conditions
HN -98 20~70mL/L
Temperature 15~35℃
Passivation time 15~45 seconds
pH value 1.8~3.0
Agitation Air agitation or mechanical agitation
Application and Advantage
1. It is completely free of Cr+6 and meets the product requirement of European, United States, Japan, etc.
2. The passivation film has excellent corrosion resistance and can pass 72-hour neutral salt spray test (NSS test).
3. It is suitable for acid zinc plating and alkaline zinc plating using rack or barrel plating under normal
temperature.
4. The passivation solution can be used for a long time by replenishment based on consumption amount
and no need for frequent change.