ROTAFLON is a seal series designed to meet high surface speed, high temperature and/or high pressure or insufficient lubrication conditions. The seals are available in two main series: MC is a polymer seal lip with or without an embedded spring energizer; RB is a polymer sealing surface bonded to an elastomeric seal lip. Specifications include surface speed up to 5900 ft./min., a temperature range of -58°F to 500°F, good chemical resistance and suitability for operation with poor lubrication. American High Performance Seals 408 High Tech Drive Oakdale, PA, 15071