Biodegradable mineral wool composition

Details Biodegradable mineral wool composition Biodegradable mineral wool composition

A - Human Necessities

01

G

A01G 31/00 (2006.01) C03C 13/00 (2006.01) C03C 13/06 (2006.01)

Patent

CA 2295870

The invention concerns a mineral wool capable of dissolving in a physiological medium, comprising the following constituents in weight percentages as follows: SiO¿2? 38-46 %; Al¿2?O¿3? 16-24 %; MgO 10-20 %; RO (CaO + MgO) 16-40 %; MgO/CaO ? 0.8 %; R¿2?O (Na¿2?O + K¿2?O) ? 0.3 %; P¿2?O¿5? 0-5 %; Fe¿2?O¿3? ? 0.5 %; TiO¿2? 0-3 %; MnO 0-2 %; SO¿3? 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 38-46 %; Al2O3 16-24 %; MgO 10-20 %; RO (CaO + MgO) 16-40 %; MgO/CaO 0,8; R2O (Na2O + K2O) 0,3 %; P2O5 0-5 %; Fe2O3 (fer total) 0,5 %; TiO2 0-3 %; MnO 0-2 %; SO3 0-2 %.

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