1.Description and uses
Fine-pored silica gel is white, semitransparent and glass like.Mainly used for drying and moistureproof , may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc.
2.Main indices
|
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 |
|
|
pH value |
4-8 |
-- |
-- |
4 |
|
|
Specific resistance, |
3000 |
-- |
-- |
5630 |
|
|
Silica, % ≥ |
98 |
-- |
-- |
98.5 |
|
|
Qualified ratio 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 |
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3.Sizes
0.5-1.5 mm, 0.5-1 mm, 2-4 mm, 2-5 mm, 4-8 mm.
4.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.
