5inch sanding disc zircon fiber disc Zircon fiber discs are designed for blending edged, seams and corners, weld grinding and deburrnig. Made by electrostatistically depositing grains of Aluminum Oxide/calcined alumina/silicon carbide/zircon on heavy duty vulcanized fiber backing with heat-resistant phenolic resins. Resin fiber discs are mainly equipped onto grinders to polish all kinds of metal and non-metallic materials, also called as polishing pads. They are suitable for shipbuilding, automobile, aviation, machinery, bridge and construction industry. Also used for grinding on furniture edges and carving. Size: 4" 4.5" 5" 6" 7" Grain: Aluminum Oxide/ calcined alumina/silicon carbide/zircon Thickness: 0.8MM Grit: P16-P320 Holes: round, cross, or customer sized BRIEF INTRODUCTION Henan Yuteng Grinding Material Co., Ltd. is located in Kaifeng City, Henan Province. Is a set of production, research and d…