Viton™ A-201C, formerly VTR-6402, is a pre-compounded fluoropolymer with a fast cure rate, excellent rheology, and mold release in injection molding applications. Viton™ A-201C is designed for the injection molding of sealing devices.
Viton™ A-201C is a fully precompounded A-type fluoroelastomer composed of hexafluoropropylene (HFP) and vinylidene fluoride (VF₂). Viton™ A-201C contains 66% fluorine and can be blended with other A-type Viton™ grades to improve properties and shrinkage. In addition to high heat and chemical resistance, Viton™ A-201C improves the processing properties and molding rheology in injection molding and rubber compounding sealing devices. Viton™ A -201C can be formulated to meet the fluoroelastomer specifications of Mil-R-83248B and AMS 7276D.
Physical form: Sheet
Appearance: Off-white
Odor: None
Nominal viscosity, ML1 + 10 at 121 °C (250 °F): 20
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
Fully pre-compounded, which benefits
O-ring curative levels
Improved mold flow
Easier mold release
Resistance to mold fouling
Fast cure rate
Good scorch safety
Low viscosity
Excellent compression set resistance
Excellent injection molding rheology
Cross-linking and curing difficulties of fluoroelastomers or Viton™ gums
Slow curing rate and mold release issues in the manufacturing of fluoroelastomer compounds
Low compression set resistance and mold fouling issues in the processing of traditional elastomers and synthetic rubbers
Rubber transfer and injection molding
Extrusion molding of rubber parts
O-rings, O-ring cords, gaskets, and seals
Elastomeric hoses and tubes
Engine crank and camshaft seals
Valve stem elastomeric seals
Valve cover rubber seals
Sealing devices and rubber parts
Air intake manifold gaskets
Viton™ fluoroelastomers offer high-quality performance capabilities for manufacturers of renewable energy solutions.
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