... :white powde 3.Al2O3:99.5% 4.Made in China calcined aluminaData sheet:sizeAl2O3SiO2Fe2O3Na2OLoss on lgnitiona-Al2O3Density %%%%%%g/cm3,% >=<=<=<=<=>=>=AF601- ... 03.95AF 604ZC99.50.060.030.300.1093.03.95The calcined alumina of our company is produced by the general ... international law of Bayer, boron free rotary kiln calcined, in addition to sodium washed by water, greatly improving the ...