一、Characteristics：
Shape:pellets or lumps. Color:milky white, transparent or translucent. Pore volume: 0.60-0.85ml/g. Average pore diameter: 4.5-7.0nm Specific surface area: 450-650m2/g. Structure lying between macro-pored and fine-pored silica gels.
二、Use：Mainly used as liquid adsorbents, drier and perfume carriers, also may be used as catalyst carriers, silica sands, etc.
三、Technical Data：
|
ITEM |
Specifications |
Typical values |
||
|
Superior class |
First class |
|||
|
Adsorption capacity% |
RH=20% ≥ |
4.0 |
3.0 |
6.2 |
|
RH=50% ≥ |
11.0 |
10.0 |
16.2 |
|
|
RH=90% ≥ |
70.0 |
50.0 |
73.9 |
|
|
Loss on heating, % ≤ |
2.0 |
2.0 |
1.0 |
|
|
Specific resistance (Ω.cm)≥ |
5000 |
3000 |
12500 |
|
|
pH |
5.5—7.5 |
4—8 |
6.7 |
|
|
Bulk density, g/L |
500—600 |
500—600 |
518 |
|
四、Size：0.5-1.5mm,2-5mm,3-5.5mm,4-8mm.
五、Packaging：15kg per compound bag or 300 kg. Per container bag.
Note：The moisture content, packing and size may be customized per your specific requirements.
