Minimum Salt Spray Test Requirements
With trivalent chromites and a sealer or topcoat
Alloy |
Thickness |
Trivalent Chromite |
Hours to White Rust |
Hours to Red Rust |
Zinc-Nickel |
5 |
Clear |
120 |
720 |
Zinc-Nickel |
8 |
Clear/Black |
120 |
840 |
Zinc-Cobalt |
5 |
Clear |
96 |
264 |
Zinc-Cobalt |
8 |
Clear/Black |
96 |
408 |
Zinc-Iron |
5 |
Clear |
96 |
264 |
Zinc-Iron |
8 |
Clear/Black |
96 |
408 |