Fiber discs Aluminum oxide Sanding disc 

Fiber disc Aluminum oxide Sanding disc, Grit 100 ALO Abrasive Fiber Disc, Resin Fiber discs are designed for blending edged, seams and corners, weld grinding and deburrnig. Fiber discs are 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. 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