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Vinyl Terminated polydimethylsiloxaneB

1.As the hardness agent of big molecular weight, and high viscosity silicone rubber 110-2, and dilutions agent in process vulcanization.
2.As the modify agents in organic materials, such as, acrylic resins, polyvinyl acetal resin.
3.Used in produce HTV, or medium temperature vulcanized silicone rubber, silica gel.
  • Siwin-VF21B
  • Siwin
  • Siwin-VF21B
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Siwin-VF21B

Vinyl Terminated polydimethylsiloxane

Description

Siwin-VF21B is vinyl terminated in branch of polydimethylsiloxane, the molecular is 300 - 300000 ( synthesis different molecular in customers requirements). The molecular weight is not relative

with vinyl content, which mean the ratio of molecular weight and vinyl content is flexible. Except for with PDMS normal benefits, it also has unique functions:

1.Branch ends of vinyl group with strong active, it can happen many kinds of reactions, such as:

additive reaction, free radical reaction, etc.

2.    Comparing with PDMS, Siwin-VF21B has more better compatible with organic solvents, it more easy to use together with other organic materials.

 

Typical Physical Properties  

Product No.:                    Siwin-VF21B

Chemical Name:                Vinyl Terminated polydimethylsiloxane

Appearance:                   Colorless transparent liquid to viscous oily liquid

Viscosity(25),mm2/S:           1000      3500     4800

Vinyl content% (w/w)              0.5        0.7       1.8      

Vinyl content% (mol/100g)       0.0068   0.0095     0.024

Chemical structure 

 Vinyl Terminated polydimethylsiloxaneB

 

Applications

1.As the hardness agent of big molecular weight, and high viscosity silicone rubber 110-2, and dilutions agent in process vulcanization.

2.As the modify agents in organic materials, such as, acrylic resins, polyvinyl acetal resin.

3.Used in produce HTV, or medium temperature vulcanized silicone rubber, silica gel.

 

Packaging

210L Iron Drum: 200kg/drum

1000L IBC Container: 1000kg/container


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