Chemical resistance: Excellent chemical resistance, similar to nickel steel. Self-lubrication: The best slide performance in all the plastics, can be used in the condition that material must have low coefficient of friction and wear resistance. Flammability: Self-extinguishing, 94v-1(0.3mm thick ), 94v-0(1.55mm thick ), 94-5v (302mm thick) without any flame retardant. Performance of enduring fatigue: Owns the best performance of enduring fatigue among all the resins. Resistance to radiation: Resistance to ray radiation enduring 1,100 M rad. Excellent chemical resistance.