We are offering wiper seals. wiper seals 1. Application range for reciprocating motion piston rod; hydraulic system; mechanical systmer 2. Technical parameters 1)temperature[centigrade]: -30 ~ +110 2)speed[m/s]: less than 2m/s 3)medium: mineral oil based hydraulic fluids, water, air and others. 3. Material: nbr, pu, ptfe 4. We can produce the seals according to customer's special request. Guangzhou jst seals technology co., ltdprofessional supplier of hydraulic seals, mechanical seals, o ring, rubber seals, oil seals, door seals.