Description
Description
O-Ring, Kalrez® 4079, #217. Kalrez® 4079 perfluoroelastomer combines the elastomeric properties of Viton with the chemical resistance of PTFE, making it the best possible o-ring material available. Kalrez® 4079 should be considered for service in high temperature, corrosive environments such as:
Polar Solvents such as Ketones, Esters and Ethers
Strong Organic Solvents such as Tetrahydrofuran, Benzene, Dimethylformamide and Perchloroethylene
Acids such as Hydrochloric, Nitric and Sulfuric
Strong Oxidizing Agents such as Dinitrogen Tetroxide and Fuming Nitric Acid
Metal Halogen Compounds such as Titanium Tetrachloride and Diethylaluminum Chloride
Hot Mercury and Caustic Soda
Chlorine-Wet and Dry
Inorganic Salt Solutions
Fuels such as JP-5, Aviation gas and Kerosene Kalrez® 4079 exhibits exceptional thermal stability and is serviceable at long-term temperatures to 316ºC and intermittent temperatures to 343ºC. Kalrez® 4079 is not recommended for use in sealing applications below -5ºC. For complete chemical resistance and fluid compatibility, see chart in the front of this catalog. Made in the United States.
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