| 摘要 |
The invention relates to a mineral wool which can dissolve in a physiological medium, comprising fibres having a chemical composition that contains the following constituents in the limits defined hereafter and expressed in percentage by weight, namely: 35 to 75 SiO2; 0 to 12 Al2O3; 0 to 30 CaO; 0 to 20 MgO; 0 to 20 Na2O; 0 to 10 K2O; 0 to 10 B2O3; 0 to 5 Fe2O3; and 0 to 3 P2O5, said mineral wool also comprising at least one phosphorus compound. The invention is characterised in that a phosphorus compound is a molecule in which the phosphorus atom(s) are bound to at least one carbon atom either directly or by means of an oxygen atom. |
