Fluorine rubber compound
| Category | Details |
|---|---|
| Composition | –Base Polymer: Fluoroelastomer (FKM) copolymer |
| –Reinforcing Agents: Carbon black (30–50 phr), silica (for clarity) | |
| –Plasticizers: Phthalates/adipates (5–15 phr) | |
| –Curing Agents: Bisphenol AF (0.5–2 phr), peroxide (DCP) | |
| Physical Properties | –Hardness (Shore A): 50–90 (ASTM D2240) |
| –Tensile Strength: 10–25 MPa (ASTM D412) | |
| –Elongation at Break: 150–400% (ASTM D412) | |
| –Density: 1.8–2.0 g/cm³ | |
| Thermal Resistance | –Service Temperature: -20°C to +250°C (intermittent 300°C) |
| –Thermal Stability: <10% weight loss at 300°C (24h, ASTM D573) | |
| Chemical Resistance | –Inert To: Acids, bases, oils, fuels, hydraulic fluids, and halogenated solvents |
| –Limitations: Ketones (e.g., acetone), amines, and strong oxidizing acids | |
| Key Applications | –Automotive: Seals, gaskets, and fuel hoses |
| –Aerospace: O-rings for hydraulic systems and fuel lines | |
| –Oil & Gas: Downhole tools and chemical-processing equipment | |
| –Semiconductor: Vacuum chambers and plasma-resistant components | |
| Processing | –Mixing: Internal mixer or two-roll mill (10–30 min, 40–60°C) |
| –Molding: Compression/injection molding (160–200°C, 5–20 MPa) | |
| –Curing: Post-cure (230°C, 4–24h) for optimal compression set | |
| Safety & Compliance | –MSDS: Flammable (flash point >200°C); avoid inhalation/skin contact |
| –Regulatory: REACH, RoHS, and FDA 21 CFR 177.2600 (food-grade variants) | |
| Storage | –Conditions: Cool (<30°C), dry, away from UV/ozone; shelf life 12–24 months |
| –Packaging: Polyethylene-lined bags (prevent moisture absorption) | |
| Quality Control | –Testing: Mooney viscosity (ML 1+4. ASTM D1646), compression set (ASTM D395) |
| –Certifications: ISO 9001 (manufacturing), UL 94 (flammability) |
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