transparent or translucent, glass-like pellet or lump. Average pore diameter: 2.0-3.0 nm. Specific surface area:650-800m2/g Pore volume:0.35-0.45 ml/g. specific heat:0.92KJ/kg.0C. Thermal conductivity:0.63KJ/m.hr. 0C. Use Mainly used for drying and moistureproof, may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc.
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