Merck
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378348

Sigma-Aldrich

硅油

viscosity 20 cSt (25 °C)

Synonym(s):
PDMS, 聚二甲基硅氧烷
Linear Formula:
[-Si(CH3)2O-]n
CAS Number:
MDL编号:
NACRES:
NA.23

蒸汽密度

>1 (vs air)

蒸汽压

<5 mmHg ( 25 °C)
5 mmHg ( 20 °C)

形式

viscous liquid

折射率

n20/D 1.403 (lit.)

粘度

20 cSt(25 °C)

bp

>140 °C/0.002 mmHg (lit.)

密度

0.95 g/mL at 25 °C

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378380

硅油

form

viscous liquid

form

viscous liquid

form

viscous liquid

form

viscous liquid

refractive index

n20/D 1.403 (lit.)

refractive index

n20/D 1.403 (lit.)

refractive index

n20/D 1.403 (lit.)

refractive index

n20/D 1.403 (lit.)

viscosity

20 cSt(25 °C)

viscosity

100 cSt(25 °C)

viscosity

10,000 cSt(25 °C)

viscosity

500 cSt(25 °C)

density

0.95 g/mL at 25 °C

density

0.96 g/mL at 25 °C

density

0.971 g/mL at 25 °C

density

0.97 g/mL at 25 °C

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor density

>1 (vs air)

vapor pressure

<5 mmHg ( 25 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

vapor pressure

<5 mmHg ( 25 °C), 5 mmHg ( 20 °C)

一般描述

硅油是液体状态的硅烷,是甲基硅油体系的一部分。它的粘度为20 cSt,折射率~ 1.4,介电强度~ 14 kV/mm。表面张力随粘度增加而增加。

应用

硅油在润滑剂、抗气胀剂、介电冷却剂和化妆品添加剂等中广泛使用。

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(F)

214.0 °F - closed cup

闪点(C)

101.1 °C - closed cup

个人防护装备

Eyeshields, Gloves


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