Comparing Brown Fused Alumina Powder with Other Abrasive Materials In the world of industrial grinding, surface treatment, and blasting applications, choosing the right abrasive material can significantly impact efficiency, quality, and cost. Among the many abrasives available today—such as silicon carbide, white fused alumina, garnet, and zirconia alumina—Brown Fused Alumina Powder (also known as BFA or brown corundum) has steadily gained popularity for its balance of performance, toughness, and value.