1.Good oil resistance 2.Professional rubber parts manufacturer 3.Pass ISO/TS 16949:2009, ISO14001:2004 Features: MaterialEPDM, according to customers' requirementsSize According to customer's drawingsHardness30 - 90 ±5 Shore APerformance requirementsAccording to customer's requirements (eg. Tensile strength, elongation, compression set, high temperature resistance, low temperature resistance, ...