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Viton™ GF-200S is a low viscosity peroxide-curable fluoropolymer gum that contains 70% fluorine. It offers excellent low-temperature properties and improved resistance to oils and fluids.
Viton™ GF-200S is a fluoroelastomer gum that is manufactured using Advanced Polymer Architecture (APA) technology. Viton™ GF-200S has 70% fluorine content and is composed of hexafluoropropylene (HFP), vinylidene fluoride (VF₂) and tetrafluoroethylene (TFE) with a peroxide cure site.
Viton™ GF-200S offers excellent resistance to aromatic hydrocarbons, alcohols, water, steam, and acids. It endows low-temperature resistance and is easy to process. Viton™ GF-200S can be blended with Viton™ GF-600S for an intermediate viscosity that is needed for some injection molding applications.
Physical Form: Sheet
Appearance: White to tan
Odor: None
Nominal Viscosity, ML1 + 10 at 121 °C (250 °F): 25
Specific Gravity: 1.90
Storage Stability: Excellent
Primary Chemistry: Copolymer of hexafluoropropylene, vinylidene fluoride, and tetrafluoroethylene with a cure site monomer
Peroxide curable fluoroelastomer
Can be blended with Viton™ GF-600S for an intermediate viscosity range
Improved low temperature resistance compared to bisphenol cures
Reduced shear sensitivity compared to Viton™ GF-600S
Excellent resistance to aromatic hydrocarbons, water, steam, and coolant
Reduced volume swelling in water
Excellent mold release and mold fouling properties
Enhanced physical properties with high elongation
Excellent compression set resistance with both low and no post cure applications
Flexibility at low temperatures and peroxide curability of fluoroelastomer compounds
Resistance to compression set in low and no post-cure applications
Shear sensitivity of FKM polymers and synthetic rubber compounds
Engine crank-and camshaft rubber seals
Fuel hoses and turbocharger hoses
Fuel injector O-rings, gaskets and elastomeric parts
Rubber membranes and elastomers
Fuel duct expansion joints and elastomers
Molded parts that require low temperature flexibility
Viton™ Fluoroelastomers provide superior performance across various industries against extreme temperatures and highly corrosive conditions.
Viton™ fluoroelastomers are ideal for use in food and pharma applications. Viton™ APA polymers combine the superior resistance to steam, commercial cleaning fluids, and many other chemicals compared to EPDM and traditional silicones
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