2631 high corrosion resistant zinc- nickel color trivalent chromating passivation
2017-12-14
product model
code：2631
name：2631 high corrosion resistant zinc- nickel color trivalent chromating passivation
product features
1.the surface of the passivation film is uniform, easy to use and maintain, long service life of passivation liquid and low cost.
2. superior corrosion resistance, no closed still resistant to astmb-117 neutral salt spray test for more than 1000 hours does not appear red rust.
product display
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