Fine-pored lump Silica Gel
AddDate:2012/9/2
Characteristics
transparent or translucent, glass-like 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.0C. Thermal conductivity:0.63KJ/m.hr. .
Use
Mainly used for drying and moistureproof, may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc. Technical Data
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.
transparent or translucent, glass-like 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.0C. Thermal conductivity:0.63KJ/m.hr. .
Use
Mainly used for drying and moistureproof, 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 | |
|
Qulified ratio of spherical granules,% ≥ |
82 |
-- |
-- |
90 | |
|
Size |
* |
* |
* |
2-5mm | |
|
Bulk density,g/L |
* |
* |
* |
764 | |
|
*.Negotiable | |||||
|
Note: qulified ratio of spherical granules is only applicable to fine-pored silica gel | |||||
Packaging:
25kg per bag or 500kg per bag, net.
Note:
The moisture content,packing and size may be customized per your specific requirements.
