1)Completely without Cr6+;
2)Excellent corrosion-resistance ability;
3)Low consumption.
HN-69 Trivalent Chrome Color Zinc Passivation
1. Application and Advantage
1) Completely without Cr6+, can meet the products requirement for exporting to Europe, America, Japan etc.
2) Corrosion- resistance ability of the color passivative film is excellent, can pass 100-hour neutral salt spray test (NSS test).
2.Bath Composition and Working Conditions
HN -69 120~150ml/L
Temperature 55~65°C
Passivation time 40~70 seconds
pH value 1.7~2.1
Agitation mechanical agitation
Uses: Blue zinc passivation after zinc plating.
Additives composition: HN-69 color zinc passivator
Appearance: Gray green liquid
Package: 25kg/plastic barrel
Storage: cool,dry,ventilated,and hermetically sealed for storage.
Contact
Ms.Lily Chan
Mobile:+86-13928651530
