Transformer oil T-1500 (20L).
Transformer oils
Description
Oil T-1500 produced from sulfur paraffinic oils using selective hydrogenation and purification processes. T-1500 oil contains an antioxidant additive.
Applications
has improved stability against oxidation, has a low content of sulphurous compounds, low value of the dielectric loss tangent. Recommended for use in electrical voltages up to 500 kV and above.
Specifications
| Indicator | Norm |
|---|---|
| Kinematic viscosity mm2 /s: | |
| at 50 ° C | – |
| at 40 ° C | 11 |
| at 20 ° C | – |
| at -30 ° C | 1300 |
| at -40 ° C | – |
| Acid number, mg KOH /g, not more than | 0,01 |
| Temperature, ° C: | |
| flash in closed crucible, not lower | 135 |
| pour point, not higher than | -45 |
| Content: | |
| the water-soluble acids and alkalis | – |
| mechanical impurities | – |
| phenol | – |
| Sulfur,% (wt. Fraction) | 0,3 |
| sulfonated substances,% (vol.), No more than | – |
| The stability, performance after oxidation, not more than: | |
| precipitate | No |
| low molecular weight volatile acids mg KOH /g | 0,05 |
| Acid number, mg KOH /g | 0,2 |
| Color units. CNT, not more than | 1,5 |
| The stability of the IEC method, the induction period, h, not less than | – |
| Transparency | at 20 ° C transparently |
| Density at 20 ° C, kg /m3 and not more than | 885 |
| Dielectric loss tangent at 90 ° C,%, not more than | 0,5 |
| Corrosion on copper plate | The Braves |
| The refractive index of not more than | – |
Additional information
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