| 摘要 |
The subject of the invention is a mineral wool capable of dissolving in a physiological medium, which wool comprises the constituents below in the following percentages by weight: SiO2 39-44%, preferably 40-43% Al2O3 16-27%, preferably 16-26% CaO 6-20%, preferably 8-18% MgO 1-5%, preferably 1-4.9% Na2O 0-15%, preferably 2-12% K2O 0-15%, preferably 2-12% R2O (Na2O + K2O) 10-14.7%, preferably 10-13.5% P2O5 0-3%, especially 0-2% Fe2O3 (total iron) 1.5-15%, especially 3.2-8% B2O3 0-2%, preferably 0-1% TiO2 0-2%, preferably 0.4-1%. |
