We are offering dkbi wiper seals. product description dkb/dkbi wiper seal is a lip-seal for rod which fits tightly in the groove. The excellent wiping effect is achieved by the special design of the wiper lip. product feature operating conditions temperature: -35~+80° c speed: ≤1m/s material material: tpu + metal clad hardness: 90-95 shore a application it is mainly used in engineering machinery.