Multivinyl Silicone Oil
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Multivinyl Silicone Oil

Chemical Name: Vinyl-terminated & Pendant Vinyl Polydimethylsiloxane

CAS No. 68083-19-2 / 68951-99-5

Multivinyl Silicone Oil is synthesized via the ring-opening polymerization and equilibration process from tetramethyldivinyldisiloxane, vinyl cyclosiloxanes and dimethyl cyclosiloxanes. Its molecular structure has a prominent characteristic: it contains vinyl reactive groups not only at both ends of the molecular chain, but also on partial chain links. This special structure endows it with excellent reactivity. It can undergo addition reactions with other organic compounds (e.g., polymers with reactive or hydride groups), and can also form silicone elastomers under the catalysis of peroxides. Such unique chemical properties make it an important material for applications across diverse industries.

Applications

Multivinyl Silicone Oil boasts highly customizable properties. Products with varying viscosities and vinyl contents can be tailored to the practical requirements of different formulations, meeting diverse application scenarios and performance demands. It provides robust support and extensive options for material R&D and production in related industries.

 

It is widely used in manufacturing high-hardness addition-type silicone rubber. With its inherent structural and reactive properties, it exhibits excellent compatibility with other components, forming high-performance silicone rubber materials. It can also serve as an additive for compounded rubber to impart a broader range of superior performance characteristics.

 

Technical Data Sheet

Viscosity (25℃) Appearance Volatiles (150℃,3h) Viscosity Tolerance Vinyl Content %
600 mm²/s Colorless transparent < 2% ± 15% 3.00-4.00
3000 mPa·s Colorless transparent < 2% ± 15% 3.60-4.50
50000 mPa·s Colorless transparent < 2% ± 15% 1.80-2.30
100000 mPa·s Colorless transparent < 2% ± 15% 0.10-0.20

 

Available Options

✓ Low Cyclic Siloxane Content (D3-D10) <300 ppm

✓ Ultra Low Cyclic Siloxane Content (D3-D10) <100 ppm

✓ Low Volatile Content  (150℃,3h) < 0.5%

✓ Ultra Low Volatile Content  (200℃,4h) < 0.25%

✓ Custom Packaging

✓ OEM Label

 

Packaging

Standard Packaging: Available in 200 kg net steel drums or 1,000 kg net IBCs. Custom packaging options are available upon request.

Storage

Store in the original, tightly sealed container in a cool, dry and well-ventilated area. Under recommended storage conditions, the product has a shelf life of 24 months from the date of manufacture. Please refer to the product label for the expiration date.

Transportation

This product is classified as a non-hazardous chemical and may be transported as general cargo. During transportation, protect the product from moisture, rain and direct sunlight, and avoid contamination with acids, alkalis or other foreign substances.

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