Brown Fused Aluminium Oxide BFAÂ is widely used for Resin Bonded Abrasives Vitrified Bonded Abrasives Sandblasting Polishing Surface Preparation Our BFA has excellent hardness toughness sharp edge and selfsharpening character hence is an ideal abrasive material It also has a min of 95 Al2O3 content iron free high purity low magnetic contents and extremely stable