K.O.K. U-Packing (U-cups) are produced with optimal rubber compounds and polyurethane materials combined to satisfy your operational and design requirements.
Our production range spans from ordinary U-Cups to loaded U-Cups, and we are the preferred supplier for u-cups, u-packing, and u-seals for both OEMs and Aftermarket suppliers.
Min/Max Size: 5 ~300 mm
Available Materials: NBR, FKM, HNBR
Primary Applications: Rod & piston
Contact us today to learn more about custom u-cup production.