Highly reactive Si–H end groups enable efficient hydrosilylation with alkenes, alkynes, and functional silanes.
Low viscosity (15–25 cSt at 25 °C) ensures excellent processability and uniform dispersion in formulations.
Excellent thermal stability up to 200 °C under inert atmosphere, supporting high-temperature curing processes.
Hydrogen termination provides superior compatibility with silicone elastomers, resins, and crosslinkers.
Low volatility and negligible extractables meet stringent requirements for medical device and electronics encapsulation.
Crosslinking agent in platinum-catalyzed addition-cure liquid silicone rubber (LSR) systems.
Functional modifier for silicone pressure-sensitive adhesives (PSAs) to enhance cohesion and heat resistance.
Surface treatment agent for silica fillers and inorganic pigments in high-performance composites.
Intermediate in synthesis of silicone surfactants, dendrimers, and hybrid organic–inorganic polymers.
Release additive in mold coatings for precision casting and optical lens manufacturing.
| Chemical Type | Linear polydimethylsiloxane with terminal ≡Si–H groups |
| Product Form | Clear, colorless liquid |
| Appearance | Transparent, odorless, non-yellowing |
| Viscosity (25 °C) | 15–25 cSt |
| Reactive Hydrogen Content | 0.8–1.2 wt% (by ASTM D5769) |
| Density (25 °C) | 0.96–0.98 g/cm³ |
| Flash Point (COC) | >180 °C |
| Storage Stability | Stable ≥12 months at 5–30 °C in sealed, dry, nitrogen-purged containers |
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