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Viton™ VPA-1
Viton™ VPA-1 is a general-purpose process aid supplied in powder form used in molding all types of Viton™ fluoroelastomers.
Chemours Viton™ VPA-1 is a sulfur-containing aromatic wax used as a general-purpose process aid in all types of Viton™ fluoroelastomers for various molding and extrusion processes. Viton™ VPA-1 is particularly effective on mills that have ineffective cooling. It also provides smooth and uniform compounds, especially in rod-type preforms.
Viton™ VPA-1 can be premixed with other compounding ingredients and added to a batch. It has little or no effect on processing safety but has a slight activating effect when cured at 177 °C (351 °F). A slight bloom might be noted on preforms and press-cured articles, which disappear during the oven post-cure.
Viton™ VPA-1 is typically recommended at a loading rate of 0.5–2.0 phr.
Specifications
Physical form: Powder Appearance: Light tan to white Specific gravity: 1.26 Meltingpoint: 150 °C (302 °F) Recommended level, phr: 0.5–2.0
Primary Chemistry: Wax / Aromatic sulfur compound
Features & Benefits
Good mill release Smooth and uniform finish with rod-type preforms Good mold release and heat resistance Can be premixed with other compounding ingredients No effect on vulcanizate properties Outstanding chemical resistance
Problems Solved
Versatility of elastomers process aids in all molding processes Rough surface finishes and uniformity issues in the processing of rubbers and FKM polymers
Applications
Automotive Oil and gas O-rings, seals, and gasket rubber parts Process aid in the molding of all types of fluoroelastomers, including FKM polymers
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Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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