1.Good oil resistance, sealing function 2.Professional rubber products manufacturer 3.Pass ISO/TS 16949:2009, ISO14001:2004 Features: MaterialNBR,HNBR, EPDM, FKM, MVQ(VITON), FMVQ,CR, NR… , according to customers' requirementsSize According to customer's drawingsHardness30 - 90 ±5 Shore APerformance requirementsAccording to customer's requirements (eg. Tensile strength, elongation, compression ...