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:: Characteristics ::
transparent or translucent glass-like pellet or lump.
average pore diameter:2.0-3.0 rim .
specific surface area: 650-800 m2/g
pore volume : 0.35-0.45 ml/g.
specific heat : 0.92 KJ/kg.
thermal conductivity: 0.63 KJ/m.hr.
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:: Use ::
Mainly used for drying and moistureproof, may also be used as catalyst carriers, absorbents, separators and variable-pressure absorbents, etc
:: Technical Data ::
| ITEM |
Specifications |
Typical values |
| Superior class |
First class |
Qualified class |
| Adsorption capacity |
RH=20%,% ≥ |
8.0 |
7.0 |
6.0 |
11.2 |
| RH=50%,% ≥ |
20.0 |
19.0 |
18.0 |
29.2 |
| RH=90%,% ≥ |
30.0 |
29.0 |
28.0 |
37.6 |
| Loss on heating % ≤ |
2.0 |
4.0 |
6.0 |
1.0 |
| PHOL |
4-8 |
-- |
-- |
4 |
| Specific resistance s,.cm ≥ |
3000 |
-- |
-- |
5630 |
| Silica % ≥ |
98 |
-- |
-- |
98.5 |
| Qualified ratic of spherical granules % ≥ |
82 |
-- |
-- |
90 |
| Size |
* |
* |
* |
2-5mm |
| Bulk density g/L |
* |
* |
* |
784 |
| Note: qualified ratio of spherical granules is only applicable to fine-pored silica gel |
:: Size :: 0.5-1.5mm . 0.5-1mm . 2-4mm . 2-5mm . 4-8mm.
:: Packing :: 25 kg per bag or 500 kg per bag,net.
:: Note :: The moisture content, packing and size may be customized per your specific requirements.
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