1.Rubber box mail seal:NBR CR SBR EPDM CR FKM etc 2.Usage: ... sealing parts 3.Certificate:ISO 9001,RoHS. Rubber box mail sealFeatures: Benefit:We manufacture high performance rubber gasket that are ... , SBR, EPDM, FKM, IIR, BR etc.. Performance for rubber box mail seal:Durable in liquid material, mineral oil and lubricantGood resistance ...