Rubber Coated Rust Proof Oil Seal is used as Hydraulic seals, vacuum seals, engine -motor shaft and transmission seals. The Oil Seal is a type of mechanical seal for rotating and static force resists deformation under pressure, thermal, wear and lubricity. The Oil Seal is rubber Coated with metal case or spring. Rubber Coated Rust Proof Oil Seal has high mechanical strength and can be custom made in various sizes as per specific requirements.