Products specifications: If you are willing to wholesale quality, advanced and durable fine powder of calcined alumina from one of the famous china refractories, high-alumina ceramic, high-alumina glaze, a-cg-2-a manufacturers, chalco is always at your service. Excellent sintering performance, stable linear shrinkage, suitable particle size and narrow particle size distribution. Widely used in refractory and ceramic industries. Uses: Refractories, refractory binder High-alumina ceramic, high-alumina glaze Glass Polishing materials