pH, electrical conductivity, dynamic viscosity and density of the formulated lubricants.
| Lubricant | wt% of additive | pH | Conductivity (μS cm−1) | Viscosity (mPa s) | Density (g cm−3) |
|---|---|---|---|---|---|
| WG | — | 7.3 | 2.5 | 13.3 | 1.040 |
| WG-IM | 1 | 7.1 | 401.1 | 13.1 | 1.044 |
| WG-PP | 1 | 3.4 | 211.2 | 13.0 | 1.039 |
| WG-BMP | 1 | 7.0 | 109.3 | 13.3 | 1.045 |
| WG-C12 | 0.1 | 4.7 | 4.3 | 13.3 | 1.041 |