1.It's hard to melt in acid and alcali; 2.Good sinterability; 3.The contraction performance in high temperature is moderate.

Calcined alumina oxide 

Highlight:

1.It's hard to melt in acid and alcali;2.Good sinterability;3.The contraction performance in high temperature is moderate

4.High transformation ratio;

5.Low content of Na.

Application:

It's wildly used in the production of heat-resisting,wear-resisting,corrosion-resisting products,such as high alumina refractory products,strong ceramics, high grade abrasive,electromagnetic equipments,etc.

Specification:

Item	AL2O3	SiO2	Fe2O3	Na2O	LOI	α-AL2O3	True specific gravity
Unit	%	%	%	%	%	%	g/cm³
Index	≥99.3	≤0.1	≤0.05	≤0.2	≤0.06	≥95	≥3.95

Calcined alumina oxide