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Viton™ VC-1A
Viton™ VC-1A is a diamine cross-linking agent used to cure A, B, and E types of Viton™ fluoroelastomers.
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.
Specifications
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
Features & Benefits
Supplied in powder form Excellent compression set Good physical properties Fast cure Increase compression set of A-, B-, and E-type fluoroelastomer compounds Cross-linking agent and curing agent of fluoroelastomers and rubber compounds Superior curing agent for FKM (fluoroelastomer), ACM (alkyl acrylate copolymer), AEM (ethylene acrylic rubber), and ECO (Epichlorohydrin rubber)
Problems Solved
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
Applications
Hoses, seals, gaskets, valves for: Oil and gas Pharmaceutical and food processing Industrial manufacturing Appliances Automotive
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