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Viton™ GF-200S
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.
Specifications
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
Features & Benefits
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
Problems Solved
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
Applications
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 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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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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