Oil – GC
Transformer oils
Description
Oil GC produced from sulfur paraffinic process oils using gidrogrekinga that enhances product stability and performance. Hydrocracking process involves a chemical transformation of the distillate oil by the action of hydrogen and high pressure.
Applications
Oil HA has good dielectric properties, high oxidation stability, it is recommended to use a higher electrical voltage classes.
GK oil fully meets the requirements of IEC 296 Class IIA to oils. oil GK comes usable without drying in branded barrels of 175 kg. HA oil contains oxidation inhibitor, at least 0.25% -0.40%, complies with the standard IEC 60296: 2012. In the original container oil GK has a record of not less than the breakdown voltage of 70 kV.
Specifications
| Indicator | Norm |
| 50 ° C | 9 |
| 40 ° C | 12 |
| -30 ° C | 1200 |
| Flash point closed cup, ° C | 135 ° C |
| Pour Point, ° C | not more than -45 |
| Acid number, mg KOH /g of oil | not more than 0.01 mg KOH /g of oil |
| Dielectric loss tangent at 90 ° C,% | not more than 0,5 |
| The breakdown voltage after sample preparation, kV | at least 70 kV |
| Stability against oxidation (155 ° C, 14h, 50 mL /min), | |
| low molecular weight volatile acids, mg KOH /g of oil | not more than 0,04 |
| the mass fraction of sludge,% | no more than 0,015 |
| an acid number of the oxidized oil, mg KOH /g of oil | not more than 0,1 |
Additional information
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