Excellent thermal stability up to 250 °C, maintaining viscosity integrity under prolonged high-temperature exposure.
Superior oxidative resistance due to phenyl group incorporation, minimizing degradation in air-rich environments.
Low volatility and high flash point, enhancing safety during high-temperature processing and storage.
Broad compatibility with organic resins, elastomers, and fillers—ideal for formulating high-performance composites.
Outstanding dielectric properties with low dissipation factor, suitable for electrical insulation applications.
Heat-transfer fluids in closed-loop industrial heating systems requiring extended service life at elevated temperatures.
Base fluid in high-temperature greases for aerospace bearings and automotive turbocharger lubrication.
Release agent for silicone rubber molding and composite curing tooling in aerospace and energy sectors.
Dielectric coolant in high-voltage transformers and power electronics encapsulation compounds.
Viscosity modifier and thermal stabilizer in phenyl-containing silicone resins and RTV/HTV formulations.
| Chemical Type | Phenylmethyl polysiloxane |
| Product Form | Clear, colorless to pale yellow liquid |
| Appearance | Homogeneous, transparent, free of sediment or haze |
| Viscosity (25 °C, cSt) | 250 ± 20 |
| Specific Gravity (25 °C) | 1.03–1.06 |
| Flash Point (COC, °C) | ≥ 310 |
| Thermal Stability (Air, 250 °C, 24 h) | ≤ 5% viscosity change; no gel formation |
| Dielectric Strength (kV/mm) | ≥ 18 (ASTM D877) |
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