... ,SILICONE,FPM and so on. 2. Rubber bumper Working Temperature: -40 to +150 degrees Description of ... rubber bumper:1. Rubber bumper material: NBR,SBR,NR,EPDM,SILICONE,FPM and ... 50,60,70,80 shores A are available.4. Rubber bumper Working field: Water, lube, oil, industrial, machine, ... parts, bushing, rubber fittings, automotive rubber, rubber hose/tube, auto part: