The products are white fine powder,featured with low sodium content,steady transition rate,good ... .70.040.050.020.073.974.11.060-70sphere-like powder,good flowability, less shrinkage rate, designed for making ceramics ... 040.050.020.073.962.50.9550-70 plate-like powder,easy to be ballmilled, designed for raw meterial of ... coating,iso-static pressing. high purity calcined alumina for fine ceramics