| Sample | Corrosion potential /V | self-corrosion current/A·cm−2 |
| Hot aluminum plated zinc sheet | −1.383 | 1.833 × 10−4 |
| Chromate passivating plate | −0.993 | 2.544 × 10−6 |
| Fingerprint resistant plate on the market | −1.012 | 3.057 × 10−6 |
| Cationic light curing coating plate | −1.049 | 4.712 × 10−6 |