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Viton™ B-651C
Viton™ B-651C is a precompounded fluoropolymer that offers excellent mold flow, high tear resistance, and improved bonding to metal inserts.
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- Manufacturer: Chemours
- Product Line: Viton™ Fluoroelastomer Precompounds
- Product: Viton™ B Type Precompound
- Industries: Coatings | Elastomers | Metal Processing & Fabrication | Plastics
- Authorized Countries: Canada | United States
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Authorized Countries
Canada
United States
Overview
Viton™ B-651C is a fully precompounded fluoroelastomer composed of hexafluoropropylene (HFP), vinylidene fluoride (VF₂), and tetrafluoroethylene (TFE).
Viton™ B-651C is a B-family terpolymer with 68.5% fluorine content. Compared to Viton™ B-435C, Viton™ B-651C is featured with a higher viscosity while offering similar processing properties and tear resistance. It is an excellent choice for use in the injection molding of complex shapes and bonded metal inserts.
Specifications
Physical Form: Slab
Appearance: Off-white
Odor: None
Nominal viscosity, ML1 + 10 at 121 °C (250 °F): 60
Specific gravity: 1.84
Storage stability: Excellent
Primary Chemistry:
Terpolymer of hexafluoropropylene, vinylidene fluoride, and tetrafluoroethylene with cure chemicals
Features & Benefits
- Fully precompounded with curative and metal adhesion promoter
- Higher viscosity than other B-family grades
- Scorch-free mold release with high mold fouling resistance
- Fast cycle times and improved processing properties
- Excellent tear strength and chemical resistance
Problems Solved
Low viscosity of commercially available FKM and fluoroelastomer compounds Limited resistance and tear strength in traditional rubber compounds Cross-linking and curing difficulties of fluoroelastomer gums and rubber compounds
Applications
Injection molding of complex shapes Molding of bonded elastomeric inserts Gaskets, O-rings, and rubber parts Engine crank and camshaft seals Valve cover seals Fuel sender seals Rubber membranes and fuel duct expansion joints
Related Chemistries
Coatings
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Related Functions
Elastomers
Related Processes
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