I require polyurethane seals to suit an existing design of shock absorbers The seal will work dynamically on a 12 mm hardchrome piston rod. It will fit into a 22 mm seal cavity And is 5 mm thick. Sealing against Hydraulic oil HVI 32 Working pressure is 6 bar Pressure overload is 20 bar max. Colour is immaterial but we have used a blue seal in the past. Show More