Mechanical seal with polymer sliding material having a dry operation capability and dry operation capacity

摘要

The present invention relates to a friction reducing polymer material having a dry operating capacity, the material comprises a polymeric matrix material and filler, wherein the filler is reinforcing particles, particles of high hardness material, lubricant particles including. The present invention further relates to a mechanical end face seal including a rotating friction reducing ring and a stationary counter ring, wherein the friction reducing ring and / or counter-ring comprises a friction reducing polymer material having a dry operating capacity. The present invention further provides a dry operation applications, the use of these polymeric material having a dry operating capacity as a material for an exhaust element in wet operation and dry operation pump more.