Bulk density, particle density and mean particle size of common materials used in bulk solids handling
Including portland cement, coal, iron powder, PVC, wheat flour
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1. Data table
Note : orders of magnitude
only, of course variying depending on the actual specification of
materials
| Material | Mean particle size in microns | Bulk density in kg/m3 | Particle density in kg/m3 |
| Alumina | |||
| Sandy | 79 | 1040 | 3600 |
| Calcined | 66 | 750 | 3920 |
| Hydrate | 60 | 1110 | 2420 |
| Aluminium fluoride | – | 1420 | – |
| Ammonium chloride | – | 900 | 1500 |
| Barytes | 12 | 1590 | 4250 |
| Bentonite | 24 | 760 | 2300 |
| Cement – Ordinary Portland | 14 | 1070 | 3060 |
| Coal | |||
| Pearls | 10 000 | 690 | 1320 |
| Minus 25 mm | 5 600 | 750 | 1400 |
| Granular | |||
| As supplied | 778 | 870 | 1550 |
| Degraded | 146 | 700 | 1550 |
| Pulverized | 84 | 393 | 1550 |
| Coke – Fines | 800 | – | – |
| Copper concentrate | 55 | 1660 | 3950 |
| Fluidized bed combustor ash | 1 200 | 1270 | 2500 |
| Fluorspar | 66 | 1580 | 3700 |
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| Fly ash | |||
| Coarse | 110 | – | – |
| Fine | 25 | 700 | 1700 |
| Iron powder | 64 | 2380 | 5710 |
| Magnesium sulphate | 370 | 1380 | 2355 |
| Pearlite | 200 | 100 | 800 |
| Polyethylene – pellets | 4 000 | 540 | 910 |
| Potassium chloride | 580 | 1180 | 1990 |
| Potassium sulphate | 170 | 1240 | 2625 |
| PVC | |||
| Powder | 90 | 615 | 990 |
| Resin | 120 | 490 | 1400 |
| Silica sand | 70 | 1250 | 2630 |
| Sodium carbonate – soda ash | |||
| Heavy | 340 | 1160 | 2500 |
| Light | 115 | ||
| Sodium chloride – salt | 390 | 1220 | 2630 |
| Sugar – granulated | |||
| Fresh | 460 | 890 | 1580 |
| Degraded | 170 | 655 | 1580 |
| Terephthalic acid – PTA | – | 930 | – |
| Wheat flour | 90 | 510 | 1470 |
| Zircon sand | 120 | 2600 | 4600 |
Source : Pneumatic conveying
design guide, Mills