Table 8 Results of the third 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)

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

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