Table 7 Results of statistical parameters of variation for data from the second series.

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

Explosive name (composition)

Expansion volume (converted) V [cm3]

Arithmetic mean of the result and ANFO [cm3]

Statistical distribution of results relative to ANFO [cm3]

Variance of the result relative to ANFO

Standard deviation relative to ANFO

Coefficient of variation relative to ANFO [%]

PU 1.5 (94% AN + 4.5% FO + 1.5% PU)

243.2

238.9

8.6

18.52

4,.30

1.80

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

250.9

242.8

16.4

66.93

8.18

3.37

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

270.6

252.6

36.1

325.13

18.03

7.14

ANFO

234.6

Not applicable

Not applicable

Not applicable

Not applicable

Not applicable

  1. Significant value is given in bold.
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