... rubber material 2)factory direct price 3)duro:20-90 shore A 4)widely used in industry,home appliance,machine Moulded ... , NBR, CR, IIR, EPDM, SBR, SIL, FKM, ABS, etc2.Hardness durometer 30-80 A3.DiameterLess than 500mm4.Temperature-40 to 230 ...