HN-53 Blue Passivation
Commodity Name
HN-53 Blue Passivation
Composition and Working Conditions
Blue chromate HN -53 8~10g/L
Nitric acid(98%) 10~12mL/L
Time 5~15 seconds
Temperature Room temperature
Agitation Air agitatio n or mechanical agitation
Application and Advantage
1. Produce perfect and bright blue passivative film with good corrosion resistance.
2. Single supplement, easy to operate.
3. Suitable for all zinc plating layers.