The piston cup is mainly used in the automobile hydraulic brake system, clutch control system, and afterburner system to transmit pressure and seal.
In our factory, the rubber piston cup uses EPDM as the raw material labeled EP-35, all imported from Japan and all are imported to bring better sealing performance and oil return characteristics.
This picture shows the rubber piston cup used in our product WT-2001G after more than 280,000 fatigue tests. It can tell the quality of our rubber piston cup.
