Perlite P05 Ultrafine
Applications
- Paint, grout and general fillers
- Oil and chemical absorbent
- Water treatment additive and rough filter aid
- Animal and poultry feeds and fat pre-mixes
- Anti-caking additive and drying agent
Chemical Properties
| Compound | Percentage |
|---|---|
| Silicon | 73% |
| Aluminium | 15% |
| Ferric oxide (Fe2O3) | 2% |
| Magnesium (MgO) | 3% |
| Potassium (K2O) | 5% |
| Calcium (CaO) + Magnesium (MgO) | 1% |
| Others | 1% |
| Organic Matter | nil |
| Moisture Content (when packed) | Less than 0.8% |
Physical Properties
Expanded Perlite P05 is white with a nominal particle size of 10-750 microns.
| Refractive Index | 1.5 |
| Free Moisture (max) | < 0.5% |
| pH of Water Slurry | 6.5 - 7.5 |
| Softening Point | 890 - 1100oC |
| Fushion Point | 1280 - 1350oC |
| Specific Heat | 837J/kgK (0.2 cal/gc) |
| Thermal Condcuctivity | 0.05 w/mc |
| Bulk Density (compacted when packed | 150 - 190kg m-3 |
Grading Specification
The bulk density of Perlite P05 is 180-200 kg/m 3 (compacted).
| Sieve Size (mm) | % by weight passing |
| 0.300 | 95 - 100 |
| 0.150 | 75 - 95 |
| 0.075 | 45 - 65 |
| 0.045 | 20 - 35 |
Note: Nominal particle size indicates the 80% band i.e. up to 10% above of below the specified range