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Viton™ A-201C
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.
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- Manufacturer: Chemours
- Product Line: Viton™ Fluoroelastomer Precompounds
- Product: Viton™ A 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™ 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.
Specifications
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
Features & Benefits
- 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
Problems Solved
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
Applications
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
Related Chemistries
Coatings
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Related Functions
Elastomers
Related Processes
Viton™ Fluoroelastomer Precompounds Articles
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