Fluorosilicone O-Ring

Fluorosilicone elastomers combine the good high and low temperature properties of silicone with basic fuel and oil resistance. The primary uses of fluorosilicone materials are in fuel systems at temperatures up to +177°C and in applications where the dry-heat resistance of silicone is required but the material may be exposed to petroleum oils and/or hydrocarbon fuels. Fluorosilicone has limitations at higher temperatures due to degradation of certain fluids, producing acids which attack the fluorosilicone elastomer.