benzyl silicone oil 250,255

usage:

The product is a kind of colorless or light yellow transparent liquid like methyl silicone oil. It has good resistance to ozone and corona and good electric insulation.250 benzyl silicone oil is mainly used as dipping oil for capacitor.


Technical index:

 

250

255

Appearance

Mechanical impurity

Colorless or light yellow liquid

adherence(25'C)mm2/s

25～40 

100～200

refractive index (25'C) 

 1.470～1.485

1.480～1.495 

Flash point℃

≥240

≥280 

25'C

1.01～1.08

1.02～1.08 

Acid number KOHmg/g

≤0.02

 

solidifying point℃

≤-50

≤-40

The tangent of the loss angle in medium(50HZ100'C)

≤4×10-3

 

dielectric coefficient (25'C) F/M 

≥2.7 

 

Voltage strength MV/2.5m 

≥45

 

Store and transportation:

no-dangerous chemicals,

life span is three years,

packed if needed.