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Data on Black Chromate over Zinc

My question is what is the expected salt spray hours to white, and red corrosion on black chromate over zinc electroplate?

Kirk Jansen
- Portland, Oregon, USA
2002

12 to 30 hours to white rust. 24 to 48 hours to red rust. Assuming you are doing the SST properly.

Khozem Vahaanwala
Saify Ind

Bengaluru, Karnataka, India

2002

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