Rubber washer 1.Certificate: ISO9001:2008 2.Good sealing function,oil resistance, ... resistance of acids, aliphatic hydrocarbons, aromatic hydrocarbons and animal and vegetable oilSizeWe can provide you with many different sizes of rubber ... ,EPDM ,SBR ,SR ,CR ,IIR ,etc.PackingInner packing is by plastic bag outer packing is by carton and woodenPayment termT/T ...