| 摘要 |
The invention concerns a mineral wool capable of dissolving in a physiological medium, comprising the following constituents in weight percentages as follows: SiO2 38-46 %; Al2O3 16-24 %; MgO 10-20 %; RO (CaO + MgO) 16-40 %; MgO/CaO >/= 0.8 %; R2O (Na2O + K2O) >/= 0.3 %; P2O5 0-5 %; Fe2O3 >/= 0.5 %; TiO2 0-3 %; MnO 0-2 %; SO3 0-2 %.
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