The sealing material standard is suitable for universal use with mineral hydraulic oils according to DIN 51524.
The basic sealing materials are polyurethane PU, PTFE and NBR, they can be used in the temperature range between -30 °C and +100 °C.
The material polyurethane makes this sealing material very wear-resistant.
PU/NBR-based means that the basic materials are polyurethane and NBR in combination with other compatible materials such as PTFE.