rubber for chair base 1.Material:EPDM,Silicone,NR,NBR,Viton 2.Certificate:ISO- ... 3.Own factory, _______________Hi, dear, welcome to JTS page!!_____________________ rubber for chair base MaterialEPDM,Silicone,NR,NBR,VitonColorAny color on Pantone card is ... -12daysHardnes30-95 shore A.CapabilityThe temperature resistance (high and low) for EPDM is from -50 to 150,and silicone is -60 ...