Fluorosilicone compound rubber
The main chain structure of the subchain is consistent with that of ordinary silicone rubber, while trifluoropropyl is introduced into the side chain. Therefore, fluorosilicone rubber perfectly combines the advantages of fluororubber and silicone rubber. It has the excellent oil resistance and high temperature resistance of fluororubber, and the softness and excellent high and low temperature resistance of silicone rubber. It is suitable for various harsh low temperature, high temperature and oil resistant occasions.
Product features:
□ Easy to process and color
□ Wide operating temperature range -60-230
□ Excellent oil resistance and non-polar solvent resistance
□ Suitable for manufacturing rubber products of various hardness, hardness (Shore A) 20-90
□ Excellent flame retardancy
| Category | Details |
|---|---|
| Composition | –Base Polymer: Fluorosilicone copolymer (FVMQ) |
| –Reinforcing Fillers: Carbon black (20–40 phr), silica (10–30 phr) | |
| –Plasticizers: Silicone oil (5–10 phr) | |
| –Curing Agents: Peroxide (DCP, 0.5–2 phr) or platinum catalyst (addition cure) | |
| Physical Properties | –Hardness (Shore A): 40–80 (ASTM D2240) |
| –Tensile Strength: 5–15 MPa (ASTM D412) | |
| –Elongation at Break: 200–600% (ASTM D412) | |
| –Density: 1.3–1.5 g/cm³ | |
| Thermal Resistance | –Service Temperature: -60°C to +200°C (intermittent 250°C) |
| –Thermal Stability: <15% weight loss at 250°C (24h, ASTM D573) | |
| Chemical Resistance | –Resistant To: Mineral oils, fuels, silicone fluids, and dilute acids/bases |
| –Limitations: Brake fluids (glycol-based), strong acids, and aromatic solvents | |
| Key Applications | –Aerospace: Fuel tank seals and hydraulic gaskets |
| –Automotive: Turbocharger hoses and fuel injector O-rings | |
| –Medical: Long-term implants and drug-contact devices (biocompatible grades) | |
| –Industrial: Solvent-resistant seals and vibration dampers | |
| Processing | –Mixing: Two-roll mill (15–25 min, 30–50°C) or internal mixer |
| –Molding: Compression/injection molding (150–180°C, 5–15 MPa) | |
| –Curing: Post-cure (200°C, 2–4h) for compression set optimization | |
| Safety & Compliance | –MSDS: Non-flammable (flash point >300°C); avoid inhalation/skin contact |
| –Regulatory: USP Class VI, ISO 10993 (biocompatibility), and FDA 21 CFR 177.2600 | |
| Storage | –Conditions: Cool (<25°C), dry, away from UV/ozone; shelf life 6–18 months |
| –Packaging: Aluminum-lined bags (prevent moisture/contamination) | |
| Quality Control | –Testing: Mooney viscosity (ML 1+4. ASTM D1646), compression set (ASTM D395) |
| –Certifications: ISO 13485 (medical), ASTM D2000 (standard classification) |
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