... bearing materials Internally lubricated grades often eliminate the need for external lubrication in many bearing and wear applications Good ... 2000mm/1500*3000mm Sheet, Dia:5~250 Rods, full specification tube/pipe, Welding rods, Union, Valve,flange, heat exchanger,PVDF ... extruded and paste extruded), tubes (mouding and paste extruded for thin wall tubes), packing Expanded PTFE sheet, Expanded Joint ...