... also can be used to manufacture high-grade refractory material.Brown Fused Alumina has high purity, good crystalline liquidity, low coefficient of ... small crystal size, impact resistance and spherical particles. This product has high purity, dense texture, large bulk density, strong self-sharpening, good ... wheel, cutting disc, Sandblasting25KG / bag2200 Yuan / tonsub-2≥80 ≥ 80≤0.3 ≤ 0.3≤1.5 ≤ 1.53.85 ...