Characteristic: average pore diameter:4.5-7.0 nm.   specific surface area:450-650㎡/g          

pore volume:0.60-0.85ml/g  

Appearance: It’s transparent or translucent glass-like pellet or lump.

Usage: It’s mainly used as air humidity desiccant,catalyzer or the carrier of catalyzer,material of fragrant silica gel,underlay of pets or the material for some refining chemical products such as chromatography producing and etc.