High thermal stability with continuous service temperature up to 200 °C.
Excellent compatibility with organic resins, vinyl polymers, and phenolic systems.
Low volatility and minimal outgassing under vacuum or elevated-temperature conditions.
Reactive vinyl groups enable covalent bonding in crosslinking formulations.
Phenyl substitution enhances UV resistance and reduces refractive index variation.
Release agent for high-temperature composite molding (e.g., CFRP, GFRP).
Functional additive in silicone-modified acrylic and epoxy coatings.
Base fluid in specialty heat-transfer fluids for semiconductor processing equipment.
Viscosity modifier and surface conditioner in LED encapsulation gels.
| Chemical Type | Vinylphenylmethyl polysiloxane |
| Product Form | Clear, colorless to pale yellow liquid |
| Appearance | Homogeneous, low-viscosity oil |
| Viscosity (25 °C, cSt) | 20,000 ± 1,500 |
| Specific Gravity (25 °C) | 0.98–1.02 |
| Refractive Index (25 °C) | 1.495–1.505 |
| Vinyl Content (wt%) | 0.15–0.25 |
| Phenyl Content (wt%) | 18–22 |
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