Vespel SP-1 - Unfilled. Maximum strength & elongation; lowest modulus & thermal conductivity: optimum electrical properties.

Vespel SP-21 - 15% graphite (by weight). Enhances inherent wear resistance, improves long term thermal stability.

Vespel SP-22 - 40% graphite (by weight). Gives low coefficient of thermal expansion. Maximum creep resistance.

Vespel SP-211 - 15% graphite and 10% TEFLON® fluorocarbon resin (by weight). Lowest static friction.

Vespel SP-3 - 15% MoS2(by weight). Best wear performance in dry environments.

Vespel SP-202 - For electrical conductivity with lower wear rates.  Maintains tolerances in high heat and through multiple cycles.  Removes electrostatic charge.

Vespel SCP-5000 - Unfilled.  High strength, hardness, chemically resistance over broad temperature range.  Offers high wear resistance with low outgassing and high purity.  Very good thermal oxidative stability.

Vespel SCP-5009 - For high temperature resistance and better compressive strength.  Lower CofF without lubrication.  Excellent sealing capability.

Vespel SCP-50094 - For high temperatures and wear resistance.  This grade offers superior wear resistance and thermal oxidative stability.

Vespel SCP-5050 - For high temperatures, wear resistance and exceptional CofF.  Coefficient of thermal expansion similar to steel.  Improved high temperature performance.