Silica Gel Type B

| ITEM |
Specifications |
Typical values (2–5mm) |
| 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 |
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.
Use:
Mainly used as liquid adsorbents, drier and perfume carriers, also may be used as catalyst carriers, silica sands, etc.
we can supply the products according to the customers' requirments and technical index.