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 nameNorm
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


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