125mm fiber discs Aluminum oxide sanding disc 

125mm fiber discs Aluminum oxide sanding disc Aluminum Oxide Fiber Disc, durability using strong grains and durable sheet materials Resin 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.       It is mainly used in all kinds of metal and non-metallic materials. It is suitable for shipbuilding, automobile, aviation, machinery, bridge and construction industry. High Efficiency polishing disc for wood  . Size: 4" 4.5" 5" 6" 7" Grain: Aluminum Oxide/ calcined alumina/silicon carbide/zircon Thickness: 0.6MM  0.8MM Grit: P16-P320 Holes: round, cross, or customer sized

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