High hydrogen content enables efficient hydrosilylation reactions with alkenes and alkynes.
Phenylmethyl backbone provides enhanced thermal stability and oxidative resistance versus pure methyl silicone oils.
Low volatility and excellent hydrophobicity support long-term performance in high-temperature processing environments.
Controlled viscosity (approx. 500 cSt at 25°C) ensures optimal handling, dispersion, and compatibility with common silicone systems.
Free of solvents and reactive diluents — suitable for high-purity crosslinking applications in electronics and medical-grade silicones.
Crosslinker in addition-cure liquid silicone rubber (LSR) formulations for automotive and medical components.
Hydrosilylation catalyst carrier in platinum-catalyzed silicone gels and encapsulants.
Functional modifier for heat-resistant coatings and release agents in composite molding.
Base fluid in specialty silicone adhesives requiring thermal resilience and low surface energy.
Reactive intermediate in the synthesis of branched or graft silicone polymers with tailored phenyl/methyl ratios.
| Chemical Type | Hydrogen-containing phenylmethyl polysiloxane |
| Product Form | Clear, colorless to pale yellow liquid |
| Appearance | Homogeneous, free from visible particles or haze |
| Viscosity (25°C) | 480–520 cSt (ASTM D2196) |
| Reactive Hydrogen Content | 0.45–0.55 wt% (by titration) |
| Density (25°C) | 1.03–1.06 g/cm³ (ASTM D1475) |
| Flash Point (COC) | ≥300°C (ASTM D92) |
| Storage Stability | Stable ≥12 months at <30°C in sealed, dry, nitrogen-blanketed containers |
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