Table 1.
Summary of characteristics of samples used for the compaction study (all smoked filters).
| Sample Number (29 mm Holder) |
Average
Length (mm) |
Average Diameter (mm) | Range of Butts |
Range of Density
(kg/m3) |
| 12 | 14.2 ± 0.8 | 8.04 ± 0.08 | 10–13 | 141–186 |
| 6 | 20.8 ± 0.4 | 7.86 ± 0.12 | 10–15 | 116–176 |
| 12 | 26.6 ± 0.4 | 7.88 ± 0.13 | 10–13 | 117–154 |
| Sample Number (100 mm holder) |
Average
Length (mm) |
Average Diameter (mm) | Range of Butts |
Range of Density
(kg/m3) |
| 9 | 14.3 ± 0.8 | 8.00 ± 0.12 | 130–150 | 156–182 |
| 5 | 20.8 ± 0.2 | 7.88 ± 0.05 | 140–180 | 138–179 |
| 7 | 26.4 ± 0.7 | 7.83 ± 0.18 | 130–160 | 132–163 |