T-750 oil (GOST 982-80) is produced from low-sulfur oils using selective and sulfuric acid purification processes. It contains (0.4 ±0.1) % of the antioxidant additive 2,6 ditertiary butyl para- cresol. It has improved oxidation stability and a low value of the tangent of the dielectric loss angle. The shelf life of T-750 oil is 5 years from the date of manufacture.
T-750
Description
Application
Used as the main electrical insulating material in transformers, oil circuit breakers, and other high-voltage equipment.