which is better of Synthetic heat-conducting oil and mineral thermal oil 

Oil for transformers and switchgear

product manual:

This product is based on low viscosity, high chemical stability and low carbon formation of the base oil. This refined product has high oxidation resistance and high dielectric strength characteristics.

Representative uses:

* The long products are used in transformers and electrical switching equipment

Features:

* High oxidation resistance

* Extremely pure and clean, providing high insulation and dielectric strength.

* Thoroughly dry and filter before packing.

* Pile should be stacked in storage.

                           Specification

MASS DENSITY @ 15 ° C (KG / 1) Mass Density @ 15 ° C (kg / l) 0.886

FLASH POINT, (Open cup) ℃ flash point, (open cup) ℃ 148

POUR POINT ℃ Flow point ℃ <-50

VISCOSITY viscosity

 SUS @ 100 ° F SUS @ 100 ° F SUS @ 100 ° F 57

 SUS @ 210 ° F SUS @ 210 ° F 33

 CSt @ 40 ° C cSt @ 40 ° C 9.4

 CSt @ 100 ° C cSt @ 100 ° C 2.3