... Temperature: -40 to +150 degrees Description of rubber spring:1. Rubber spring material: NBR,SBR,NR,EPDM,SILICONE,FPM and so on ... ,50,60,70,80 shores A are available.4. Rubber spring Working field: Water, lube, oil, industrial, machine, etc5. OEM service ... washer, rubber bush, rubber boot, rubber handle, rubber molded part, rubber product, rubber cap, rubber cover, rubber grip, rubber bushing ...