Table 3.
The chemical composition of basalt fiber [68].
| Compound | % By weight in Basalt fibres |
|---|---|
| MgO | 1.3–3.7 |
| Cao | 5.2–7.8 |
| K2O | 0.8–4.5 |
| Fe2O3 | 4.0–9.5 |
| Na2O | 2.5–6.4 |
| SiO2 | 51.6–57.5 |
| Al2O3 | 16.9–18.2 |
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