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Fluorine rubber compound

CategoryDetails
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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