Table 7 Composition of mixtures (in wt. %)—replacement of primary fillers by steel shavings.

From: Electrically conductive composite materials with incorporated waste and secondary raw materials

 

REF

30%

50%

Cement

17.8

17.3

17.1

Limestone

7.1

6.9

6.8

Silica sands

59.9

58.2

57.4

Plasticiser

0.12

0.12

0.12

Conductive fillers

15.0

9.7

7.1

Steel shavings

0.0

7.7

11.4

Composite PG-C w/c ratio

0.51

0.50

0.48

Composite PG-F w/c ratio

0.72

0.63

0.54