Table 6.
Flow properties of powder materials.
| Fw a (s) | DB b (g/cm3) | DT c (g/cm3) | HR d | CI e | |
|---|---|---|---|---|---|
| CELLULOSES | |||||
| Avicel® PH 101 | 3.4 ± 0.4 | 0.35 | 0.45 | 1.25 | 19.7 |
| Methocel® E4M | 3.2 ± 0.4 | 0.45 | 0.62 | 1.37 | 27.1 |
| Methocel® K100LV | 9.0 ± 0.6 | 0.32 | 0.49 | 1.48 | 32.3 |
| SILICAS and SILICATES | |||||
| Aerosil® 200 | ∞ f | 0.03 | 0.04 | 1.36 | 26.7 |
| FujiSil® | 1.5 ± 0.1 | 0.17 | 0.21 | 1.23 | 18.9 |
| Neusilin® NS2N | 11.5 ± 0.2 | 0.23 | 0.29 | 1.21 | 17.1 |
| Neusilin® S2 | 4.4 ± 0.2 | 0.34 | 0.40 | 1.15 | 12.8 |
| Neusilin® UFL2 | ∞ f | 0.09 | 0.13 | 1.35 | 25.9 |
| Neusilin® US2 | 11.8 ± 1.0 | 0.17 | 0.20 | 1.19 | 15.6 |
| Sipernat® 22S | ∞ f | 0.08 | 0.10 | 1.21 | 17.6 |
| Syloid® 244FP | ∞ f | 0.07 | 0.09 | 1.19 | 15.9 |
| Syloid® XDP 3050 | 100.3 ± 2.5 | 0.24 | 0.30 | 1.23 | 18.6 |
| CLAY MINERALS | |||||
| Bentonite | ∞ f | 0.76 | 1.03 | 1.35 | 26.0 |
| Vermiculite | 2.9 ± 0.2 | 0.95 | 1.13 | 1.18 | 15.4 |
a Flow through the orifice (flowability); b bulk density; c tapped density; d Hausner ratio; e compresibility index; f infinite flow.