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Viton™ A-331C
Viton™ A-331C, formerly VTR-6676, is a precompounded fluoropolymer with excellent mold flow that provides high elongation and tear resistance. Viton™ A-331C is designed for the injection and compression molding of complex shapes that require maximum hot tear.
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- Manufacturer: Chemours
- Product Line: Viton™ Fluoroelastomer Precompounds
- Product: Viton™ A Type Precompound
- Industries: Coatings | Elastomers | Metal Processing & Fabrication | Plastics
- Authorized Countries: Canada | United States
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Product Line
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Authorized Countries
Canada
United States
Overview
Viton™ A-331C fluoroelastomer is a fully precompounded A-type dipolymer composed of hexafluoropropylene (HFP) and vinylidene fluoride (VF₂). Viton™ A-331C contains 66% fluorine content and offers excellent hot -tear resistance and low viscosity. The low viscosity of Viton™ A-331C makes it suitable for compression molding.
Specifications
Physical form: Sheet
Appearance: Off-white
Odor: None
Nominal viscosity, ML1 + 10 at 121 °C (250 °F): 30
Specific gravity: 1.82
Storage stability: Excellent
Solubility: Low–molecular weight esters and ketones
Primary Chemistry:
Dipolymer of hexafluoropropylene and vinylidene fluoride plus cure chemicals
Features & Benefits
- Fully precompounded
- Improved mold flow
- Easier mold release
- Less mold fouling
- Fast cure rate
- Reduced curative level
- Incorporated process aid
- Excellent compression set resistance
- High elongation and tear resistance
Problems Solved
Difficulties and production rejects in the injection and compression molding processes of complex shapes that require maximum hot tear
Compatibility of fluoroelastomers with compression molding processes
Low tear resistance and elongation of traditional rubber and elastomeric compounds
Applications
Transfer and injection molding applications
Extrusion molding applications
O-rings, gaskets, and elastomeric seals
Hoses, tubes, and rubber parts
Engine crank and camshaft seals
Valve stem rubber seals
Valve cover elastomeric seals
Air intake manifold gasket
Related Chemistries
Coatings
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Related Functions
Elastomers
Related Processes
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