... of requests from clients. With the Technological Normative Enterprise Management and the Perfect Quality Control System, we could effectively guarantee the ... from EPDM, NBR, SBR, SILICONE and so on. Performance:1.Durable in liquid material, mineral oil and lubricant2.Good resistance to aging3.High ... gas6.Without harm to human body7.Meet international FDA, UL and ROHS standard washer and garden seal