... .heat resistance of 285C 4.good toughness,rigidit. PEEK insulator,PPS insulator1.good insulation;heat resistance of 285C;low flammability;good ... factory can make any top quality plastic insulator in PEEK,PPS,PEI,etc, from prototype making,mold manufacture to injection molding ... raw materials: PP,PE,PC,ABS,PVC,POM,PA,PBT,PPS,PPO,PEI,PEEK,PES,TPU,PLA,LCP,antistatic plastic,etc ...