| Sample | Nature of Coupon | Acid | Resistance (Ω) | Cond. (mho/m) (×10−3) |
| As-Received | - | 0.0466 | 18.64 | |
| Uncoated | HCl | 0.0043 | 1.72 | |
| Coated | HCl | 0.0155 | 6.20 | |
| Uncoated | HNO3 | 0.0024 | 0.96 | |
| Coated | HNO3 | 0.0092 | 3.68 | |
| Uncoated | HClO4 | 0.0071 | 2.84 | |
| Coated | HClO4 | 0.0114 | 4.56 |