Essential details
MOQ:500kg
Product Introduction
Characteristics
Shape: pellets or lumps. Color: milky white, transparent or translucent. Pore volume: 0.60–0.85 ml/g. Average pore diameter: 4.5–7.0 nm. Specific surface area: 450–650 m²/g. Structure lying between macro-pored and fine-pored silica gel.
Use
Mainly used as liquid adsorbents, drier and perfume carriers, also may be used as catalyst carriers, silica sands, etc.
Size
0.5–1.5 mm, 0.5–1 mm, 2–4 mm, 2–5 mm, 4–8 mm.
Packaging
15 kg per compound bag or 300 kg per super sack.
Note
The moisture content, packing and size may be customized per your specific requirements.
Technical Data
| ITEM | Specifications | Typicalvalues | ||
| Superior class | First class | |||
| Water vapor adsorption capacity at 25°C, % | RH=20%，≥ | 4.0 | 3.0 | 6.8 |
| RH=50%，≥ | 11.0 | 10.0 | 16.0 | |
| RH=90%，≥ | 70.0 | 50.0 | 78.5 | |
| Loss on heating, %, ≤ | 2.0 | 2.0 | 1.5 | |
| pH value | 4-8 | 4-8 | 6.9 | |
| Specific resistance, Ω·cm | 5000 | 3000 | 8850 | |
| Silica, %, ≥ | 98 | 98 | 98.2 | |
| Sphericity, %, ≥ | 82 | —— | 90 | |
| Size, μm | Negotiable | 90 | ||
| Bulk density, g/L, ≥ | 500-600 | 525 | ||
