Table 1 Chemical composition (% of weight) of the four mineral wools studied
From: Biosolubility of high temperature insulation wools in simulated lung fluids
| RCF | AES 1 | AES2 | PCW | |
|---|---|---|---|---|
| SiO2 | 50–58 | 61–67 | 70–80 | 27 |
| Al2O3 | 42–50 | < 1 | – | ≥72 |
| Fe2O3 | – | < 0.6 | – | – |
| MgO | – | 2.5–6.5 | > 18–27 | – |
| CaO | – | 27–33 | – | – |