As earlier said, oil seals perform some functions that ensure the functionality of mechanical equipment and extend their lifespan. And how they do this is by retaining lubricants at all cost and not making them escape no matter how high the pressure of the machine is.
Renault/BPW
Rubber Components like Oil Seals, O Rings, Gaskets, Bushes, Rubber to Metal Bonded Parts, Packaging Sets, Cloth Seals, etc are constantly developed and supplied as per consumer requirements.