... 3.Pass TS16949:2009, ISO14001:2004 Features: MaterialNBR, NR, EPDM, FKM(VITON), MVQ,HNBR, FVMQ etc., according to customers' ... s requirements (eg. Tensile strength, elongation, compression set, high temperature resistance, low temperature resistance, ozone resistance... )Color black ... kinds of high tech required molds. O-ring, Rubber O-ring, O-ring Seal NBR NR EPDM FKM(VITON) MVQ HNBR Rubber O-ring