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Medium Pore (Type B) Silica Gel

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
This is mainly used for liquid absorbent, dryer and perfume carrier as well as the catalyst carrier and silica sand.
Specification
| Item | Specification | Typical Value (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 |
Size
0.5-1.5mm, 2-5mm, 3-5.5mm, 4-8mm.
Packaging
20kg per compound bag or 500kg per container bulk bag.
Note
The moisture content, packing and size may be customized per your specific requirements.
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