I. Perlite filter aid can be divided into fast-speed, medium-speed, slow speed
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 |
Audited Supplier 
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