Mineral wool composition

Details Mineral wool composition Mineral wool composition

C - Chemistry, Metallurgy

03

C

C03C 13/06 (2006.01) C03C 13/00 (2006.01) G10K 11/162 (2006.01)

Patent

CA 2295871

The invention concerns a mineral wool capable of dissolving in a physiological medium, and comprising the following constituents with weight percentages as follows: SiO¿2? 38-52 %; Al¿2?O¿3? 16-23 %; RO (CaO + MgO) 4-15 %; R¿2?O (Na¿2?O + K¿2?O) 16-25 %; B¿2?O¿3? 0-10 %; Fe¿2?O¿3? (total iron) 0-3 %, preferably 0-1.5 %; P¿2?O¿5? 0-3 %, preferably 0-1.5 %; TiO¿2? 0-2 %.

L'invention a pour objet une laine minérale susceptible de se dissoudre dans un milieu physiologique, et qui comprend les constituants ci-après selon les pourcentages pondéraux suivants: SiO2 38-52 %; Al2O3 16-23 %; RO (CaO + MgO) 4- 15 %; R2O (Na2O + K2O) 16-25 %; B2O3 0-10 %; Fe2O3 (fer total) 0-3 %, de préférence 0-1,5 %; P2O5 0-3 %, de préférence 0-1,5%; TiO2 0-2 %.

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