HN-68 trivalent chrome blue zinc passivation

1)Completely without Cr6+;
2)Excellent corrosion-resistance ability;
3)Low consumption.

 

HN-68 Trivalent Chrome Blue 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 blue passivative film is excellent, can pass 72-hour neutral salt spray test (NSS test)

 

2.Bath Composition and Working Conditions

 

  HN -68                         80~120ml/L

 Temperature                   25~35°C

Passivation time              15~30 seconds

pH value                        1.8~2.2

 Agitation                    air agitation or mechanical agitation

 

Uses: Blue zinc passivation after zinc plating.

Additives composition: HN-68 blue zinc passivator

Appearance: Dark green liquid

 Package: 25kg/plastic barrel

Storage: cool,dry,ventilated,and hermetically sealed for storage.

 

 

Contact

Ms.Lily Chan

Mobile:+86-13928651530