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Subject: Technical Specification of Silica Transparent |
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Transparent or transparent glass-like beads |
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Average pore diameter: 2.0-3.0nm |
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Surface area: 650-800m2/g |
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Pore volume: 0.35-0.45ml/g |
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Specific heat: 0.92KJ/kg℃. |
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Thermal conductivity: 0.63KJ/m. hr.℃ |
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Mainly used for drying and moisture proof, may also be used as catalyst carriers, adsorbents, separators |
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and variable-pressure adsorbents, etc. |
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Item |
Specifications |
Typical values |
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Adsorption capacity |
RH=20%, %≥ |
8.0 |
11.2 |
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RH=50%, %≥ |
20.0 |
29.2 |
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RH=90%, %≥ |
30.0 |
37.6 |
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Loss on heating, %≤ |
2.0 |
1.0 |
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PH Value |
4-8 |
4 |
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Bitmap
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3000 |
5630 |
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Silica, %≥ |
98 |
98.5 |
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Qualified ratio of spherical qranules, %≥ |
82 |
90 |
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Size |
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2-5mm |
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Bulk density, g/l |
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775 |
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COBALT |
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NIL |
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CHLORIDE |
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NIL |
