Calcined Alumina

The 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 product quality,purity and stability, and the bulk density of ceramic products, mohs hardness and ability to withstand voltage,etc.
Taking the superior industrial alumina as raw material, calcined Alumina is produced through the method of advanced high temperature down draught kiln with scientific calcine.
The advantages are as follows: less trash, high transfer rate, stable contraction, and great variety of goods. The shape is fine sand or powdery with white color.