Product: Macro-pored Silica Gel
CAS NO: 112926-00-8
Molecular formula: SiO2.nH2O
Properties:
White pellets or lumps. Average pore diameter 8.0-10.0nm. Specific surface area 300-400 m2/g. Pore volume 0.8-1.0 ml/g. Specific heat 0.92 KJ/kg, ºC. Thermal conductivity 0.167 KJ/m.hr. ºC.
Application:
Used for moistureproof packing, dehydration and purification of industrial gases, removing the organic acids and high polymers in the insulation oils, adsorbing the high molecular proteins in the fermented products during the industrial fermenting process, catalysts and catalyst carriers, etc.
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Items
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Quality
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Macro-pored spherical silica gel
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Macro-pored lump silica gel
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Superior grade
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First grade
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Qualified grade
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4.0-8.0 mm
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2.0-5.6 mm
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4.0-8.0 mm
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2.0-5.6 mm
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4.0-8.0 mm
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2.0-5.6 mm
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>5.6 mm
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2.8-8.0 mm
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1.4-4 mm
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0.25-2.0 mm
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Qualified size ratio (%)
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94 min.
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90 min.
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90 min.
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Rattler loss (%)
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4
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6
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6
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8
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8
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10
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10
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30
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-
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Bulk density (g/l)
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400
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-
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400
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Pore volume (ml/g)
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0.85 min.
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0.75 min.
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0.72 min.
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0.76 min.
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Qualified ratio of spherical granules (%)
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78 min.
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75 min.
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-
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-
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Loss on Heating (%)
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5 max.
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5 max.
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