1) Material: PU 2) Color: red, blue,coffee, green.etc 3) Specification: according to customer's needs. sealFeatures1, Piston application2, Low friction and wear resistance3,Use standard Pressure: 0-50 MPa Temperature -35-250 centigrade Speed: below 1.0m/s Medium hydraulic oil,emulsion and water.4,Production standard, can according to the drawing or sample production