ZN-T72 trivalent chromium natural color passivation process

1) Trivalent chromium natural color passivation suitable for zinc nickel alloy process

2) Complies with EU ROHS environmental standards, forms a colorless to light yellow passivation film, easy to seal, and does not discolor after sealing

3) By adopting appropriate sealing processes, excellent corrosion resistance can be achieved

4) Passivation solution has a long service life and low operating cost