Aluminium Oxide, calcined alumina

 The calcined alumina of our company is produced by the general international method 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. 

Note: The median particle size of above product can be made into special size according to your requirement. Also we can adjust the other specification according to your requirement 
This calcined alumina is widely used for making refractory, glaze, ceramic and so on

 Technical Data: 
AI2O3: >99.5% 
Na2O: <0.2% 
Fe2O3: <0.024% 
SiO2: <0.019% 
TiO2: <0.008% 
L. O. I: <0.2% 
Density: ≥ 3.93G/cm3 
A-Al2O3: >95% 
Medium Particle Size(D50): 3 -4um 
Ultimate Crystal Size: 2-4um 
BET Specific Surface Area: 1.0 m2/g 
Packaging: 25 kg / bag/50kg/bag/ton bag