It is white color with the main crystal phasealpha-Al2O3.The white alumina produced in

titling electric arc furnace has the advantage of highbulk density and low porosity and the

volume stability and thermal shock resistance can beimproved. 

Application:

It is used for making bonded and coated abrasive such asgrinding wheels, abrasive stones, cutting discs and refractories.It is also widely used for sandblasing and polishing.