Manufacturing method of composite filled polytetrafluoroethylene guide ring piston ring seal
Manufacturing method of composite filled polytetrafluoroethylene guide ring piston ring Engineering Elements, Components; Thermal Insulation; Manufacture and Application Technology of Fastener Devices Technical field: The invention relates to improving the wear resistance and service life of an oil-free lubricating compressor, especially a guide ring piston ring of a nitrogen compressor. At present, domestic oil-free...