Table 8.
Results of the third trial of the test in the Trauzl lead block test for the explosive with added plastics after comminution.
| Trial no | Explosive name (composition) | Primary volume Vp [cm3] | End volume Ve [cm3] | Expansion volume V0/Vx [cm3] | Arithmetic mean on volume [cm3] | Statistical distribution of results [cm3] | Expansion volume (converted) V [cm3] | Expansion difference with regard to ANFO [cm3] | Expansion difference with regard to ANFO [%] |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Reference explosive (picric acid) | 64.8 | 366.2 | 301.4 | 298.0 | 2.5 | 298.0 | Not applicable | Not applicable |
| 2 | 66.0 | 361.4 | 295.4 | ||||||
| 3 | 65.3 | 362.5 | 297.2 | ||||||
| 1 | PP 1.0 (94% AN + 5% FO + 1% PP regranulate) | 65.6 | 376.0 | 310.4 | 327.3 | 12.0 | 340.5 | 70.5 | 28.1 |
| 2 | 65.6 | 402.8 | 337.2 | ||||||
| 3 | 66.1 | 400.5 | 334.4 | ||||||
| 1 | PE 1.0 (94% AN + 5% FO + 1% PE HDPE regranulate) | 62.4 | 300.4 | 238.0 | 274.3 | 26.1 | 285.3 | 34.7 | 13.9 |
| 2 | 67.6 | 366.2 | 298.6 | ||||||
| 3 | 68.1 | 354.3 | 286.2 | ||||||
| 1 | ANFO (94% AN + 6% FO) | 66.8 | 308.0 | 241.2 | 240.9 | 3.4 | 250.6 | 0.0 | 0.0 |
| 2 | 65.4 | 301.9 | 236.5 | ||||||
| 3 | 66.6 | 311.5 | 244.9 |
Significant values are given in bold.
AN ammonium nitrate(V), FO diesel.