Chemours Viton™ A-200, formerly called VTR-5995, is a low viscosity gum fluoropolymer that is designed for use with Viton™ curative VC-50.
Chemours Viton™ A-200 is an A-type fluoroelastomer gum that is composed of hexafluoropropylene (HFP) and vinylidene fluoride (VF₂). Chemours Viton™ A-200 provides improved processability in comparison to other existing fluoroelastomer (FKM) solutions. Chemours Viton™ A-200 contains 66% fluorine content and is a low viscosity polymer material that offers good compression set resistance. Viton™ A-200 can be blended with other higher viscosity Chemours Viton™ polymer materials to improve processability, compression sets, and flow characteristics.
Form: Free-flowing pellets
Color: Silver-gray
Odor: None
Nominal Viscosity, ML1 + 10 at 121 °C (250 °F): 22
Specific Gravity: 1.82
Storage Stability: Excellent
Solubility: Low molecular weight esters and ketones
Low viscosity fluoropolymer
Improved mold flow and release
Suitable for extrusion applications
Enhanced processability
Ability to blend with other high viscosity polymer types
Improved compression set resistance
Can be cured with Viton™ VC-50
Mold fouling and difficulty with mold release in manufacturer applications
Availability of fluoroelastomer di-polymer material in low viscosity for extrusion applications
Compatibility of fluoroelastomer gums for mixing with other polymer types
Difficulties selecting the right curing agent for fluoroelastomer compounds
Transfer and injection molding of gaskets
Valve stem seals and shaft seals
Fuel hoses, tubing, o-rings, and elastomeric pipes
Extrusion applications of rubber and elastomers
Molding of elastomers with complicated shapes
Fabric and coating solutions
Tanks and chemical container coatings
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