Description
Hydraulic Seals can be divided in to Wiper Seals and U-Packing Seals, which are used in air and hydraulic system, designing by appropriate materials according to the kinds of the different environment to prevent contaminants such as dirt, dust and moisture from entering the cylinder as they retract back into the system. The main materials are polurethane (PU) and rubber. It also can be designed with O-RING or X-RING on the lip, which can enhance the pressure resistance.