Table 2.
Physical properties of SGR granules.
| PVP-VA 1 (%) |
ρB2 (g/cm3) | ρT3 (g/cm3) | AR 4 (°) | HR 5 | CI 6 (%) | D50 7 (μm) |
|---|---|---|---|---|---|---|
| 0 | 0.27 ± 0.02 | 0.51 ± 0.03 | 43.9 ± 4.99 | 1.88 ± 0.02 | 46.9 ± 0.65 | 4.18 ± 0.03 |
| 5 | 0.33 ± 0.01 | 0.55 ± 0.04 | 40.3 ± 4.59 | 1.67 ± 0.14 | 40.0 ± 5.23 | 11.2 ± 0.12 |
| 10 | 0.52 ± 0.01 | 0.67 ± 0.00 | 39.5 ± 3.98 | 1.29 ± 0.03 | 22.7 ± 1.76 | 44.2 ± 0.17 |
| 20 | 0.51 ± 0.02 | 0.71 ± 0.01 | 36.3 ± 4.54 | 1.39 ± 0.05 | 27.8 ± 2.79 | 32.5 ± 0.21 |
| 30 | 0.61 ± 0.00 | 0.76 ± 0.00 | 27.9 ± 4.16 | 1.26 ± 0.00 | 20.4 ± 0.14 | 72.7 ± 2.99 |
1 Weight parentage of polyvinylpyrrolidone/vinyl acetate copolymer in the granule, 2 bulk density, 3 tapped density, 4 angle of repose, 5 Hausner ratio, 6 Carr index, 7 mass median diameter.