Brown Fused Alumina

Product Description

White Aluminum Oxide(WA) : White aluminum oxide has white color and a little higher hardness and toughness comparing with the brown one. The grinding tools made of this material are suitable for fine grinding of high carbon steel, high-speed steel and stainless steel, Abrasive powder of finer grit size can also be used for precision casting and high-grade refractory. Brown Aluminum Oxide(A) : Brown aluminum oxide abrasive electrically fused in an arc furnace from a mixture of bauxite at high temperature. It has brown color, high hardness and great toughness. The abrasive tools made of brown aluminum oxide are suitable for grinding carbon steel, normal alloy steel malleable cast iron and hard bronze. It used for refractory aluminum oxide lining mixture, pouring materials castable, etc.