Transparent or translucent glass-like pellet or lump.
Average pore diameter: 2.0-3.0nm.
Specific surface area: 650-800m2/g.
Specific heat: 0.92KJ/kg.℃
Pore volume: 0.35-0.45 ml/g.
Thermal conductivity: 0.63 KJ/m.hr.℃.

Usaged:Mainly used for drying and moistureproof, may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc.