Functions and Uses：
1. Completely free of hexavalent chromium.
2. Applicable to both the barrel plating and rack plating. It can generate the homogenous blue appearance.
3. In the Neutral Salt Spray Test, the time that white rust produced is at 25-48 hours.
Operating Components：
BK-25 30~70mL/L
PH 1.8~2.2
Temperature 20~30℃
Time 10~30s
1. Completely free of hexavalent chromium.
2. Applicable to both the barrel plating and rack plating. It can generate the homogenous blue appearance.
3. In the Neutral Salt Spray Test, the time that white rust produced is at 25-48 hours.
Operating Components：
BK-25 30~70mL/L
PH 1.8~2.2
Temperature 20~30℃
Time 10~30s
