Viton™ A-500, formerly VTR-6517, is a gum fluoropolymer with an intermediate viscosity compared to other A-type gum polymers. Viton™ A-500 is supplied in pellet form and is designed for use with Viton™ curative VC-50.
Viton™ A-500 is an A-family fluoroelastomer gum composed of hexafluoropropylene (HFP) and vinylidene fluoride (VF₂) for improved processing capabilities compared to existing fluoroelastomer processes.
Viton™ A-500 contains 66% fluorine content and improves rheology and physical properties. Viton™ A-500 is an intermediate-viscosity polymer suitable for injection, compression, and transfer molding applications.
Physical form: Free-flowing pellets
Color: Silver gray
Odor: None
Nominal viscosity, ML1 + 10 at 121°C (250°F): 50
Specific gravity: 1.82
Storage stability: Excellent
Solubility: Low–molecular weight esters and ketones
Primary Chemistry: Physical form: Free-flowing pellets Color: Silver gray Odor: None Nominal viscosity, ML1 + 10 at 121°C (250°F): 50 Specific gravity: 1.82 Storage stability: Excellent Solubility: Low–molecular weight esters and ketones
Supplied in pellet form
Improved mold fouling resistance
Fast cure rate and shorter cycles
Enhanced mold release
Enhanced processability
Improved compression molding
Can be cured with Viton™ VC-50
Processing difficulties of fluoroelastomer sheets
Mold fouling and release issues in the processing of fluoropolymers and synthetic rubbers
Transfer and compression molding of gaskets, O-rings, seals, and rubber parts
Profile extrusions and calendered goods
Extrusion rubber applications
Parts with complicated shapes
Engine crank and camshaft seals
Valve stem and valve cover seals
Air intake manifold gaskets
Rubber parts for automotive and transportation applications
Appliance elastomeric hoses
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