Silico® HF2020 Methyl Hydrogen Silicone Fluid
Silico® HF2030(CAS 70900-21-9) is a hydride-terminated polydimethylsiloxane fluid with reactive Si-H end groups. This colorless, clear silicone fluid is widely used in addition-curing (platinum-catalyzed) silicone formulations, especially for crosslinking or as a reactive intermediate in the synthesis of functional silicone polymers. It offers high thermal stability, low viscosity, and excellent compatibility with a range of silicone and organic systems.
Technical Specifications
| Property | Typical Value |
|---|---|
| Appearance | Colorless transparent liquid |
| Viscosity @ 25°C – | 30–1000 (various grades available) mm²/s (cSt) |
| Active Hydrogen Content | 0.3 – 1.5 wt% |
| Specific Gravity @ 25°C | 0.97 – 0.99 |
| Refractive Index @ 25°C | 1.400 – 1.410 |
| Flash Point (Closed Cup) | >250 °C |
| Volatility (150°C, 3h) | <3 wt% |
| Shelf Life | 12 months in sealed packaging |
Applications
Crosslinker in addition-cure (platinum) silicone elastomers
Intermediate for synthesis of organofunctional silicones
Modifier in silicone release coatings
Water repellents and textile finishing agents
Additive in thermoset composites and encapsulants
Packaging
Available in 25kg plastic pails, 200kg steel drums, and 1000kg IBC totes
Custom packaging available on request
Storage and Handling
Store in a cool, dry, well-ventilated area below 25°C
Keep container tightly closed and avoid contamination
Handle using standard chemical safety practices
All technical data provided is based on current knowledge and experience. Users must test product suitability for intended applications.
No warranties are expressed or implied. Silico® assumes no liability for incidental or consequential damages.
Jessica G.
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