Silico® HF2039 | Hydride-Terminated Poly Siloxane Fluid
Silico® HF2039 is a hydride-terminated poly(methyl-trifluoropropyl) siloxane fluid designed for advanced crosslinking. It offers excellent thermal stability, chemical resistance, and low surface energy. Ideal for addition-cure systems in elastomers, sealants, coatings, and encapsulants.
Product Overview
Silico® HF2039 is a high-performance hydride-terminated poly(methyl-trifluoropropyl) siloxane fluid designed for advanced crosslinking applications. It combines excellent thermal stability, chemical resistance, and low surface energy, making it suitable for demanding industrial formulations.
This fluorosilicone polymer offers outstanding reactivity in platinum-catalyzed addition cure systems, ideal for modifying silicone elastomers, sealants, coatings, and encapsulants used in extreme environments.
Technical Specifications
| Property | Value |
|---|---|
| CAS NO. | Not specified |
| Appearance | Colorless to light yellow liquid |
| Active Ingredient (%) | 100 |
| Hydrogen Content (%) | 0.35–0.75 |
| Viscosity @ 25°C (mm²/s) | 1000–4000 |
| Specific Gravity (25°C) | 1.00–1.01 |
| Refractive Index (25°C) | 1.46–1.52 |
| Volatile Content (%) | ≤2.0 |
| Acid Value (ppm) | ≤5.0 |
Key Features
Hydride termination enables crosslinking with vinyl-functional silicones
Excellent oil, solvent, and chemical resistance
Low surface energy for enhanced substrate wetting
Stable under high temperatures and harsh conditions
Compatible with silicone and fluorosilicone matrices
Applications
Crosslinking agent for fluorosilicone elastomers
Modifier in addition-cure RTV and LSR systems
Surface treatment for silica fillers and low-energy substrates
Additive in high-performance sealants and potting compounds
Enhancer in fuel-resistant and chemically inert coatings
Packaging & Storage
Available Packaging: 5kg, 25kg PE pails; 200kg steel drums
Storage Conditions: Store in a tightly sealed container in a cool, dry, and well-ventilated area. Avoid direct sunlight, moisture, and contamination.
Shelf Life: 12 months from production date under proper storage.
Transport Classification: Non-hazardous according to international shipping regulations
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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