Engineered for demanding hydraulic and fluid power applications, this Fluorocarbon (FKM) O-ring delivers exceptional chemical resistance and thermal stability where standard elastomers fall short. With a 75 Shore A durometer rating, it strikes the ideal balance between flexibility and compression set resistance — maintaining a reliable seal under sustained pressure and temperature cycling.
Key Performance Characteristics
Material: Fluorocarbon (FKM/Viton®-equivalent)
Durometer: 75 Shore A ±5
Temperature Range: -20°F to +400°F (-29°C to +204°C)
Pressure Rating: Suitable for high-pressure hydraulic systems; use back-up rings above 1,500 PSI per AS568 groove recommendations
Chemical Resistance: Excellent resistance to petroleum-based hydraulic fluids, mineral oils, fuel, and many synthetic fluids; resistant to ozone, weathering, and oxidation
AS568 Compatible: Dimensioned to AS568 standard dash sizes for drop-in groove compatibility
Typical Applications
Hydraulic cylinders and actuators
High-temperature fluid systems
Fuel and oil handling equipment
Aerospace and industrial hydraulic circuits
Static and dynamic sealing in aggressive chemical environments
Note: Not recommended for use with ketones (MEK, acetone), esters, or certain phosphate ester hydraulic fluids. Consult your fluid compatibility chart before specifying.
