... liquidity,granularity, stablequality 2,for ceramics, refrac refractory grade Alumina powder(99%min)1ball grain,good ... alumina products are used in a wide range of refractory applications, such as: fired shapes, monolthics and ... buffer in addition to other surfaces that require a specific finish. Al2O3 %a-Al2O3 %SiO2 %Fe2O3 %Na2O ... %L.O.I %True Specific Gravityg/cm3≥99≥96.0≤0.06≤0.03≤0 ...