This is a high performance synthetic rubber with excellent temperature resistance, -10 F to 400 F (-23 C to 204 C) continuously. Viton offers the widest range of fluid and chemical resistance of any commercial rubber. Excellent resistance to oils, fuels, lubricants and most mineral acids. Applications include fuel and oil lines, cable jacketing, solvents, chemical lines, hot lubrication, seals O-Rings. Standard barbed fittings and hose clamps are recommended for most applications. Durometer : 75A. Made with Viton Type A.