... Application: mechanical Rubber Seal, Mechanical Seal seal, rubber seal, mechanical sealSpecification:1. Materials: NBR, SIL, ACM, EPDM, FPM, H-NBR, PA2. ... santitation standard Feature:YIDA is a professional motor oil seal manufacturers, manufacturing more than a thousand varieties ... seal, and manufacturing machinery, household appliance industries the oil seal, O-rings, gasket, the best-selling ...