Industrial silica gel
Fine-pored Silica Gel
| ITEM | Specifications | Typical values | |||
| Superior class | First class | Qualified class | |||
| Adsorption Capacity | RH=20%, % ≥ | 8.0 | 7.0 | 6.0 | 11.2 |
| RH=50%, % ≥ | 20.0 | 19.0 | 18.0 | 29.2 | |
| RH=90%, % ≥ | 30.0 | 29.0 | 28.0 | 37.6 | |
| Loss on heating, % ≤ | 2.0 | 4.0 | 6.0 | 1.0 | |
| pH value | 4–8 | —— | —— | 4 | |
| Specific resistance, Ω·cm ≥ | 3000 | —— | —— | 5630 | |
| Silica, % ≥ | 98 | —— | —— | 98.5 | |
| Qualified ratio of spherical granules, % ≥ | 82 | —— | —— | 90 | |
| Size | * | * | * | 2-5mm | |
| Bulk density, g/L | * | * | * | 784 | |