2. Main features
White color, powder form, odorless, non-toxic, light weight, acid-resistant,
Alkali-resistant, etc
3. Applications: Perlite filter aid usually is used as filter aid for paint, oill, medicine industry, plant oil, bear, chemical industry, agar, etc
| Item | Model | ||
| fast-speed | medium-speed | low-sped | |
| Bulk density | <0.15 | < 2 | < 0.25 |
| Permeability(Darcy) | 10-2 | 2-0.5 | 0.5-0.1 |
| suspended matter(%) | ≤ 15 | ≤ 4 | ≤ 1 |
| 102um(150mesh) | ≤ 50 | ≤ 7 | ≤ 3 |
| Item | specifications |
| PH | 5.5 _ 9.0 |
| Soluble substance by water (%) | ≤ 0.2 |
| Soluble substance by hydrochloric acid(%) | ≤ 2.0 |
| Pb(%) | ≤ 4.0 |
| As(ppm) | ≤ 4.0 |
| Fe2O3(%) | <2.0 |
| Loss(%) | ≤ 2.0 |











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