Type of composition

Specific volume resistance, Ohm ∙ cm

Electric strength, kV/mm

Control sample

2.41 × 10¹⁴

16.52

1

1.89 × 10¹⁵

17.79

2

4.05 × 10¹⁵

19.77

3

6.29 × 10¹⁵

22.63

4

7.15 × 10¹⁵

20.81

5

5.71 × 10¹⁵

17.41