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Viton™ A-HV Sheet
Viton™ A-HV is a gum fluoropolymer with an ultrahigh viscosity supplied in sheet form. Viton™ A-HV provides the best resistance to compression set compared to other A-type polymers.
Fulfilled By ChemPoint
- Manufacturer: Chemours
- Product Line: Viton™ Fluoroelastomer Gum
- Product: Viton™ A Type Gum Polymer
- Industries: Coatings | Elastomers | Metal Processing & Fabrication
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
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Overview
Viton™ A-HV fluoroelastomers (FKM) are A-type gum polymers composed of hexafluoropropylene (HFP) and vinylidene fluoride (VF₂). Viton™ A-HV contains 66% fluorine content and offers the highest among all A-type polymers. Viton™ A-HV provides excellent tensile strength and compression set resistance. Viton™ A-HV can be cured with both bisphenol AF and amine-type curatives.
Specifications
Physical form: Sheet
Appearance: White to tan
Odor: Negligible
Nominal viscosity, ML1 + 10 at 121°C (250°F): 100
Specific gravity: 1.82
Storage stability: Excellent
Fluorine, %: ~66
Primary Chemistry: Dipolymer of hexafluoropropylene and vinylidene fluoride
Features & Benefits
- Supplied in sheet form
- Can be cured using bisphenol and diamines
- Typically cured with Viton™ VC-50
- High tensile strength
- Low compression set
- Ultrahigh viscosity
Problems Solved
Incompatibility of fluoroelastomers sheets with the production process or preference for pellets Insufficient resistance to compression set in traditional fluoroelastomer compounds Low viscosity of FKM materials or fluoropolymer compounds Curing difficulties of fluoroelastomers with bisphenol or diamine curing agents
Applications
Compression molding of gaskets, O-rings, and seals Oilfield parts, such as packers Extreme dielectric applications, such as wires and cables
Related Chemistries
Coatings
Related End Markets
Related Functions
Elastomers
Related Processes
Elastomers
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