1, Material: NBR, CR, SBR, EPDM, IIR, NR, EP, SIL, FPM etc.2, Hardness: Between 30~90 shore A3, Property: high/low temperature resistance, oil and fuel resistance, water resistance, weathering resistance, Ozone resistance etc.4, Certification: ISO9001:2000, ROHS, FDA.5, Packing: poly bag or carton...