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| Item | White Silica Gel |
Blue Silica Gel |
Orange Silica Gel | |
| Shape | Sphere or Lumpy Crystal | |||
| Size Range (mm) | 0.5-1, 1-3, 2-5, 4-8 | |||
| Absorptive Capacity (%) |
RH=20% | ≥11.0 | ≥8.5 | ≥8.0 |
| RH=50% | ≥28.0 | ≥22.5 | ≥22.0 | |
| RH=90% | ≥37.0 | ≥31.4 | ≥30.0 | |
| Wear Ratio (%) | ≤0.5 | ≤0.5 | ≤10.0 | |
| Bulk Density (g/ml) | >0.75 | >0.75 | >0.75 | |
| Qualified Size Ratio (%) | ≥90.0 | ≥97 | ≥96.0 | |
| LOI (%) | ≤1.0 | ≤1.0 | ≤5.0 | |
| Color Indicating | RH=20% | Transparent, No indicating. | Blue/Light Blue | Light Yellow |
| RH=35% | Purple/Mauve | Brown Green | ||
| RH=90% | Light Red | Light Green | ||
