1.Alumina Spray Prilling Powder 2.90%,92%,95%,97%,99% 3.Low sinteresting temperate 4.ISO,SGS 5.Professional manufacturer 1. It is refined from high quality calcined alumina by scientific confecting, rubbing, pulping, spraying, drying. 2. reasonable particle size,3. moderate strength4.good fluidity5.low sintering temperature, easy demolding. IndicatorsUnitA90A92A95A97A99Al2O3 ≥ %9092959799Fe2O3 ≤ ...