VF21B Vinyl Terminated polydimethylsiloxane Vinyl Silicone oil for Silicone Rubber

• CAS No.: 67762-94-1
• Formula: /
• Color: Colorless
• Appearance: Liquid
• Transport Package: Iron Drum or IBC Drum
• Specification: 1000~4800cst
• Model NO.: Siwin-VF21B
• Trademark: Siwin
• Origin: China
• HS Code: 3910000000
• Production Capacity: 100000

Product Description

 

Product 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.

 

Product Parameters

Product No.	Siwin-VF21B
Product name	Vinyl Terminated polydimethylsiloxane
Appearance	Colorless transparent liquid to viscous oily liquid
Content	1000-4800cst
Formula	/
Boiling point	/
Flash point (ºC)	/
Molecular Weight
Density (ρ20ºC,g/m³)	/
reacts
Refractive Index	/
Volatile ( 150ºC, 3hr)	1.5max
Tack Free Time (hr)	/
	Viscosity(25ºC),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

 

Product Application

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

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

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

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Packaging & Shipping

Keep away from fire and direct sunlight. Keep in dry and well-ventilated place. It has 36 months shelf life in closed containers. Products beyond the shelf life can be usable, if quality check passed.

 

In 200kg iron drum, 1000kg IBC

 

Company Profile