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Viton™ A-401C
Viton™ A-401C, formerly VTR-6600, is a precompounded fluoropolymer that provides superior resistance to compression set and improved rheology at high shear rates.
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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-401C fluoroelastomer (FKM) is a fully precompounded A-family dipolymer composed of hexafluoropropylene (HFP) and vinylidene fluoride (VF₂).
Viton™ A-401C contains 66% fluorine content and offers excellent processing and rheology characteristics. Viton™ A-401C is designed to meet the fluoroelastomer specifications of Mil-R-83248B, AMS 7276D, and AMS 7259A
Specifications
Physical Form: Slab
Appearance: Off-white
Odor: None
Nominal Viscosity, ML1 + 10 at 121 °C (250 °F): 42
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 precompounded with O-ring curative level
- Improved compression molding
- Excellent compression set resistance
- Easier mold release
- Less mold fouling
- Improved cure rate and heat resistance
- Strong chemical resistance
Problems Solved
Low processability and compatibility of fluoroelastomer compounds with compression molding processes Low resistance of rubbers and elastomers to high compression Flow and rheology control issues of traditional fluoroelastomers at high shear rates Difficulty extruding fluoroelastomer materials
Applications
Compression and injection molding applications of rubber parts, such as O-rings Extruded cord, seals, and profiles Engine crank and camshaft seals Valve stem rubber seals Valve cover elastomeric seals Air intake manifold gaskets
Related Chemistries
Coatings
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Related Functions
Elastomers
Related Processes
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