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Viton™ GBL-200S is a low viscosity peroxide-curable fluoropolymer gum that offers excellent low-temperature properties. Viton™ GBL-200S provides improved resistance to lubricating oils and fluids for use in automotive applications.
Viton™ GBL-200S is a fluoroelastomer gum that is manufactured using Advanced Polymer Architecture (APA) technology. Viton™ GBL-200S contains 68% fluorine and is composed of hexafluoropropylene (HFP), vinylidene fluoride (VF₂) and tetrafluoroethylene (TFE) with a peroxide cure site.
Viton™ GBL-200S offers excellent resistance to aromatic hydrocarbons, alcohols, water, steam, and acids. It also easy to process and provide low-temperature resistance. Viton™ GBL-200S is suitable for transfer and compression molding applications.
PPhysical Form: Sheet
Appearance: Off-white to tan
Odor: None
Nominal Viscosity, ML1 + 10 at 121 °C (250 °F): 25
Specific Gravity: 1.84
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™ GBL-600S for an intermediate viscosity range
Improved low temperature resistance compared to bisphenol cures
Reduced shear sensitivity compared to Viton™ GBL-600S
Excellent resistance to aromatic hydrocarbons, water, steam, and coolants
Very fast cure rate and short cycles
Excellent mold release and mold fouling properties
Enhanced physical properties with high elongation
Excellent compression set resistance with both low and no post cure
Resistance of fluoroelastomers to lubricating oils and fluids in automotive and transportation applications
Durability of fluoro-elastomeric compounds to hydrocarbons, alcohols, water, steam, and acid in industrial applications
Compatibility with transfer and compression molding processes
Engine crank and camshaft rubber seals
Valve stem and cover elastomeric seals
Turbocharger hoses
Fuel injector O-rings
Air intake manifold gaskets
Gaskets, O-rings, membranes, and rubber parts
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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