CODE:km-190

Chemical nature

Polydiethylsiloxances (electrical insulating oil 2#)

CAS No

63148-61-8

Molecular Formula

C₄H₁₂O₂Si

Molecular structure

          C₂H₅

            ┃

 [━Si━Ｏ━ ]n

            ┃

           C₂H₅

Properties

Appearance

pale yellow liquid

Proportion(D204)

0.96-0.97

Viscosity(CPS20℃)

18-26

Freezing point

<60

Flashing point(open cup ℃) 

>145

Acid  KOH mg/g

<0.01

Water(％)

<0.01

Dielectric constant10³Hz 20℃

2.4-2.5

                                    100℃

10%, change less than 20℃

Dielectric loss 10³ Hz 20℃ 

<0.0003

                                100℃

<0.0008

Breakdown strength (KV/mm)

>18

Application

Electrical insulating oil No.2 has good insulation, dielectric constanthas small dependence of frequency, lowdielectric loss, high volume resistivity, used for electrical and electronic equipment in harsh environments, it's an excellent dielectric material.

Package

10Kg,25Kg/plastic drum