The invention relates to a polymer sliding material, capable of running dry and comprising a polymer matrix material and fillers, wherein the fillers comprise reinforcing particles, hard material particles and lubricant particles.The invention furthermore relates to a mechanical seal, comprising a rotating sealing ring and a stationary counter ring, wherein the sealing ring and/or the counter ring encompass the polymer sliding material, which is capable of running dry.Furthermore, the invention relates to the use of such polymer materials, which are capable of running dry, for dry-running applications, especially as a material for displacement elements in wet-running and dry-running pumps.