CODE:km-188

Chemical nature

Polydiethylsiloxances ( lubricant 3#, instrument 4# )

CAS No

63148-61-8

Molecular Formula

C₄H₁₂O₂Si

Molecular structure

       C₂H₅

           ┃

 [━Si━Ｏ━]n

           ┃

         C₂H₅

Properties

3#Lubricating oil

4#Lubricating oil

Appearance

pale yellow liquid

pale yellow liquid

Proportion(D204)

0.95-1.05

0.96-0.98

Viscosity20℃ (C.S.T)

220-300

17-21(50℃)

Flashing point (open cup,℃)

>260

>170

PH

6-7

／

Acid  KOH mg/g

／

0.1

SiO₂ (％)

58-62

56-60

Ethoxy(％)

0.2max

0.5max

Application

Pale yellow liquid,viscosity changes slightly with temperature, low freezing point, good dielectricity, thermal stability, radiation resistance and lubrication, can be mixed with any petroleum products. low vapor pressure, low volatility, nonflammable, large compressibility, non-toxic, non-corrosive, long shelf Life.

Package

10Kg,25Kg/plastic drum