久久99精品国产女不卡7777,国产在线精品一区二区不卡顿,免费人成网站在线观看视频,jrs低调看高清直播,国产精品无码专区

China D4-???? ?????????? - China Supplier
China D4-???? ?????????? - China Supplier China D4-???? ?????????? - China Supplier

D4-???? ??????????

??:2.94
???: Chemicals/Catalysts-Chemical-Auxiliary-Agents/Chemical-Auxiliary-Agent
?? ??:
???:
??:


Contact Info

?? ??

??
?? ??

Synonym: Octamethylcyclotetrasiloxane, D4

Cas no: 556-67-2

Appearance:Colorless transparent oily liquid

Structural Formula:(CH3)8Si4O4

Physical and Chemical Properties:

Freezing Point:17 ~18℃  

Boiling Point:175- 176℃

Flash Point:60℃

Relative Density (water=1):0.956

 

Technological Index:

Item

Index

Chroma/Platinum-cobalt scale/Hazen unit ≤

10

Refractive index nD20

1.3960-1.3970

Content of Octamethyl cyclotetrasiloxane/%≥

90.0

 

Properties and Uses:

It is colorless, inflammable , and can notdissolve in water, but dissolve in organic solvents such as benzene, etc.

It can be used to synthesize organic silicone polymer by acid or alkali catalysis to manufacture

silicone oil, silicone rubber,etc.

It can also be used directly as treating agent for rubber stuffing and the raw material for cosmetic.

???: Chemicals/Catalysts-Chemical-Auxiliary-Agents/Chemical-Auxiliary-Agent
?? ??:
???Brand:
??:
Stock:
Origin: China / Hubei / Wuhanshi
 - Partner Programme - Old Version
Copyright ? armluntan.cn. All Rights Reserved.