... peek gasket/washer: 1.high temperature resistance:285C; 2.wear/chemical resistance; 3.high strength/toughnees. The performances of the peek part, peek bushing,peek ... gasket,peek washer:1. High temperature resistance of 285C.2. ... ,PS,ABS,PVC,POM,PA,PBT,PPS,PPO,PEI,PEEK,PES,TPU,PLA,LCP,antistatic plastic,etc.Mould material: ...