... ,FPM and so on. 2. Rubber spring Working Temperature: -40 to +150 degrees Description ... of rubber spring:1. Rubber spring material: NBR,SBR,NR,EPDM,SILICONE,FPM ... ,60,70,80 shores A are available.4. Rubber spring Working field: Water, lube, oil, industrial, machine ... solution based on your ideas. Rubber part, rubber washer, rubber bush, rubber boot, rubber handle, rubber ...