HN-GR Trivalent Chromium Grey Passivation
Commodity Name
HN-GR Trivalent Chromium Grey Passivation
Composition and Working Conditions
HN-GR 120mL/L
Temperature 20~30℃
Passivation time 30~90 seconds
pH value 0~2.0
Drying Temperatur 60~80℃
Application and Advantage
1. Complete without Cr6+, can meet the products requirement for exporting to Europe, America, Japan etc.
2. Produce offwhite or greyblack passivative film on zinc plating layer.
3. Suitable for rack plating or barrel plating production line.