No. | 1 | 2 | 3 | 4 | 5 | 6 |
Material | Rust sample | New sample | ||||
Zinc phosphate treatment | 〇 | 〇 | × | × | 〇 | × |
Time to paint [h] | 4 | 48 | 4 | 48 | 4 | 4 |