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Viton™ VC-1A is a diamine cross-linking agent used to cure A, B, and E types of Viton™ fluoroelastomers.
Physical form: Fine powder
Color: White
Odor: Amine
Specific gravity: 1.28 ± 0.02
Decomposition point: 154.0 °C (309.2 °F) min
Solubility: Soluble in water; insoluble in non-polar solvents;
Primary Chemistry:
Hexamethylenediamine carbamate
Viton™ VC-1A, previously known as Diak-1, is a diamine cross-linker based on hexamethylenediamine carbamate. Products cure quickly with Viton™ VC-1A and exhibit excellent compression-set and aging properties. The typical usage level for Viton™ VC-1A is 1.0 to 1.5 phr. Viton™ VC-1A is FDA- approved for use in food contact applications such as hoses, seals, valves, gaskets, and O-Rings in manufacturing. Viton™ VC-1A offers compatibility with FKM (fluoroelastomer), ACM (alkyl acrylate copolymer), AEM (ethylene acrylic rubber), and ECO (Epichlorohydrin rubber) polymer systems.
As a curing agent, Viton™ VC-1A enhances the properties of A, B, and E types of Viton™ fluoroelastomers. In Viton™ A types, Viton™ VC-1A offers higher tensile strength in both original and heat-aged conditions than Viton™ VC-3.
Curing difficulties of A, B, and E types of Viton™ fluoroelastomers
FDA clearance of diamine cross-linking agents for use in food contact applications
Slow cure and production delays with alternate curing agents
Hoses, seals, gaskets, valves for:
Oil and gas
Pharmaceutical and food processing
Industrial manufacturing
Appliances
Automotive
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