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
| Â | 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 |