5kg,25kg,Green products trivalent black chromium plating additive,
Item No. HN-902
Application and advantage
1. Green products without hex chromium and simple waste water disposal
2. Even and esthetic coating with good covering power and dispersive ability
3. No organic solvent in the plating solution, excellent tolerance against sulfate and chloride ion
4. It won't cause bad plating result when power off, the deposition rate is faster than that of hexavalent chromium plating.
5. Adopting graphite a