Industrial silica gel
Macro-pored Silica Gel
| ITEM | Specifications | Typical values | |||||||||
| Macro-pored spherical silica gel | Macro-pored lump silica gel | ||||||||||
| Superior class | First class | Qualified class | |||||||||
| 4.0-8.0mm | 2.0-5.6mm | 4.0-8.0mm | 2.0-5.6mm | 4.0-8.0mm | 2.0-5.6mm | 5.6mm以上 | 2.8-8.0mm | 1.4-4.0mm | 0.25-2.0mm | ||
| Qualified size ratio, % ≥ | 94 | 90 | 90 | 100 | |||||||
| Rattler loss, % ≤ | 4 | 6 | 6 | 8 | 8 | 10 | 10 | 80 | - | 0.5 | |
| Bulk density, g/L ≥ | 400 | 400 | 440 | ||||||||
| Pore volume, mL/g ≥ | 0.85 | 0.75 | 0.72 | 0.76 | 0.91 | ||||||
| Qualified ratio of spherical granules, % ≥ | 78 | 75 | - | - | 0.3 | ||||||
| Loss on heating, % ≤ | 5 | 5 | 2.4 | ||||||||