Table 6 Results of the second trial of the test in the Trauzl lead block test for the explosive with added plastics after comminution.

From: Assessment of the impact of the comminution of property modifiers – plastics used in ANFO, on the energy parameters of the high-energy materials

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)

65.0

388.0

323.0

315.8

6.0

315.8

Not applicable

Not applicable

2

66.0

374.4

308.4

3

64.3

380.2

315.9

1

PU 1.5 (94% AN + 4.5% FO + 1.5% PU Wezcrystal)

65.4

310.0

244.6

247.7

2.4

243.2

8.6

3.7

2

65.8

316.2

250.4

3

64.7

312.8

248.1

1

PE 2.0 (94% AN + 4% FO + 2% PE HDPE regranulate)

65.8

331.0

265.2

255.6

7.1

250.9

16.4

7.0

2

66.0

314.2

248.2

3

66.1

319.5

253.4

1

PP 2.0 (94% AN + 4% FO + 2% PP regranulate)

67.0

336.4

269.4

275.7

22.0

270.6

36.1

15.4

2

66.8

372.0

305.2

3

65.8

318.2

252.4

1

ANFO (94% AN + 6% FO)

67.8

304.0

236.2

238.9

5.3

234.6

0.0

0.0

2

67.4

301.6

234.2

3

66.4

312.8

246.4

  1. Significant values are given in bold.
  2. AN ammonium nitrate(V), FO diesel.