... Mateiral: NBR 2.Type: TC 3. Application: mechanical Rubber Seal, Mechanical Seal seal, rubber seal, mechanical sealSpecification:1. Materials: NBR, SIL, ACM, ... standard Feature:YIDA is a professional motor oil seal manufacturers, manufacturing more than a thousand varieties, ... and various micro-car series seal, and manufacturing machinery, household appliance industries the oil seal, O-rings, gasket, ...