VG
TU 38.401978-98
Oil VG is recommended for use in electrical equipment of higher voltage classes. Produced from paraffinic oils with the use of gidroliticheski processes; contains the ionol additive. It has good dielectric properties, high stability against oxidation.
| Index name | Norm |
|---|---|
| Kinematic viscosity, mm2/s (CS): | |
| at 50°C | 9 |
| at -30°C | 1200 |
| Pour point, °C, not more | -45 |
| Total Acid Number, mg KOH/g, not more | 0.01 |
| The loss tangent of a dielectric at 90°C,%, not more | 0.5 |
| Anti oxidative stability | 0 |
| Volatile low-molecular acids, mg KOH/g, not more | 0.04 |
| Mass fraction of residue,%, not more | 0.015 |
| Total Acid Number of oxidated oil, mg KOH/g, not more | 0.1 |
