A white sphere, insoluble in water and organic solvent, soluble in strong acidic and alkaline solutions, mosture adsorptive in air, not expanding and cracking after adsorbing water, with the characters of high strength, resistance to sulfate poisoning and good thermal stability.
Used as a catalyst in the Klaus sulfur recovering unt for treating gases with sulfuric acid containing in petrochemical and other industries, with its high inversion rate, long durability and effective de-sulfurizing on exhaust gases.
Also applied as catalyst for klaus sulfur recovering technology in oil refinery with H2S acidic gas, natural gas de-sulfur, city coal-gas and petrochemical industries.

Composition Al2O3: >92%
Diameter: 2-7mm
Surface area: >260m2/g
Fire loss: ¡Ü7%
Capacitance: ¡Ý0.6g/ml