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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.
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- Manufacturer: Chemours
- Product Line: Viton™ Fluoroelastomer Gum
- Product: Viton™ APA Type Gum Polymer
- Industries: Coatings | Elastomers | Metal Processing & Fabrication | Plastics
- Authorized Countries: Canada | United States
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United States
Overview
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
Related Chemistries
Coatings
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Related Functions
Elastomers
Related Processes
Viton™ Fluoroelastomer Gum Articles
Viton™ Fluoroelastomers for Oil and Gas Applications
Viton™ Fluoroelastomers provide superior performance across various industries against extreme temperatures and highly corrosive conditions.
Viton™ Fluoroelastomers for Food and Pharma
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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