This kind of Brown Fused Alumina is mainly used for various material workpieces to decontaminate, Derusting, prevent corrosion, remove oxide skin, light-decorate, process pattern effect and so on. About Brown Fused Alumina for sandblasting: There are three factors the decide the effect of Brown Fused Alumina for sandblasting. 1. The grinding ability, the better for sandblasting. 2. The bulk density: the higher bulk density, the better for sandblasting. 3. The dust: the lower dust, the better for sandblasting. Brown Fused Alumina with high bulk density and air cleaned, the quality of this kind of Brown Fused Alumina is very excellent for sandblasting. We will provided FREE SAMPLE about 1kg Packing:1 MT big bag or 25kg paper bag *40 bags on one pallet ; As per customers requiremen