Viton™ B Sheet is a high-viscosity fluoropolymer gum supplied in sheet form. This product is an excellent choice for compression molding applications and can be cured with Viton™ curatives VC-30 or VC-50.
Viton™ B Sheet is a B-type fluoroelastomer gum composed of hexafluoropropylene (HFP), vinylidene fluoride (VF2), and tetrafluoroethylene (TFP). This low-viscosity fluoroelastomer gum demonstrates improved processability and rheology compared to other B-type terpolymers.
Viton™ B Sheet has 68.5% fluorine content and is best suited for extrusion applications when a low viscosity is required. Viton™ B Sheet also offers lower MeOH permeability than Viton™ A-type fluoropolymers.
Physical form: Slab
Appearance: Silver-gray, translucent
Odor: None
Nominal viscosity, ML1 + 10 at 121°C (250°F): 20
Specific gravity: 1.84
Storage stability: Excellent
Solubility: Low–molecular weight esters and ketones
Primary Chemistry: Terpolymer of hexafluoropropylene, vinylidene fluoride, and tetrafluoroethylene with cure chemicals
Improved compression set resistance
Excellent for extrusion and calendaring
Reduced mold fouling
Increased mold flow
Improved processing properties
High viscosity of commercially available fluoroelastomers for use in coatings or molding applications
Transfer and injection molding of complex shapes
Extrusion elastomeric applications
Fabrics, tanks, and chemical container coating solutions
Viscosity modifier when blended with other gum polymers
Engine cranks and camshaft seals
Wire insulation and elastomeric jacketing
Valve covers and fuel sender seals
Gaskets and O-rings and membranes
Fuel duct expansion joints and parts
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