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Viton™ GAL-200S
Viton™ GAL-200S is a fluoroelastomer gum with 66% fluorine content. It is excellent for lubricating oils and automotive applications when high resistance is required.
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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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Authorized Countries
Canada
United States
Overview
Viton™ GAL-200S is a fluoroelastomer gum manufactured using Advanced Polymer Architecture (APA) technology. It has 66% fluorine content and is composed of hexafluoropropylene (HFP), vinylidene fluoride (VF2), and tetrafluoroethylene (TFE) with a peroxide cure site.
Viton™ GAL-200S offers excellent resistance to automotive lubricating oils and aqueous fluids. It also provides improved performance in low-temperature applications compared to bisphenol-cured copolymers. Viton™ GAL-200S can be injection, transfer, or compression molded.
Specifications
Physical form: Sheet
Appearance: White to tan
Odor: None
Mooney viscosity, ML1 + 10 at 121°C (250°F): 25
Specific gravity: 1.79
Storage stability: Excellent
Primary Chemistry: Copolymer of hexafluoropropylene, vinylidene fluoride, and tetrafluoroethylene with a cure site monomer
Features & Benefits
- Peroxide curable with a very fast cure rate
- Improved low-temperature resistance compared to bisphenol cures
- Excellent resistance to water, steam, and coolants
- Superior mold release properties and fouling resistance
- Excellent physical properties with high elongation
- Improved compression set resistance with both low and no post-cure
Problems Solved
Slow cure rate or compatibility of fluoroelastomers with peroxide curing agents Limited or low-temperature resistance of bisphenol-cured fluoroelastomers
Applications
High-resistance parts for the automotive and transportation industry Engine crank and camshaft seals Valve stem and cover seals Turbocharger hoses and fuel injector O-rings Air intake manifold gaskets Gaskets, O-rings, and membranes 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 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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