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Help CenterType A Silica Gel
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Specifications
Type A silica gel
Characteristics
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..
Thermal conductivity:0.63KJ/m.hr..
Use
Mainly used for drying and moisture proof, may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc.
Technical Data
ITEM |
Specifications |
Typical values |
|||
Superior class |
First class |
Qualified class |
|||
Adsorption capacity |
RH=20%,% ≥ |
10.5 |
10 |
8 |
11.2 |
RH=50%,% ≥ |
23 |
22 |
20 |
29.2 |
|
RH=90%,% ≥ |
34 |
32 |
30 |
37.6 |
|
Loss on heating,% |
2.0 |
4.0 |
6.0 |
1.0 |
|
PH value |
4-8 |
-- |
-- |
4 |
|
Specific resistance,Ω. cm |
3000 |
-- |
-- |
5630 |
|
Silica% |
98 |
-- |
-- |
98.5 |
|
Qualified ratio of spherical granules,% ≥ |
82 |
-- |
-- |
90 |
|
Size |
* |
* |
* |
2-5mm |
|
Bulk density, g/L |
* |
* |
* |
784 |
|
Negotiable | |||||
Note: qualified ratio of spherical granules is only applicable to fine-pored silica gel | |||||
Sizes: 0.5-1.5mm, 0.5-1mm,2-4mm, 2-5mm,4-8mm.
Packaging: 25kg per bag or 500kg per bag, net.
Note: The moisture content, packing and size may be customized per your specific requirements.
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