Melting and fiberizing recycled rock wool
AssigneeSaint-Gobain Isover
InventorsElodie CHAUDAN, Frederic LOPEPE, Thibault GUILLET, David BOUSQUET
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Abstract
The invention relates to a composition of raw materials suitable for being loaded into a glass furnace, melted and then fiberized via internal centrifugation, which composition of raw materials comprises a rock wool recyclate. The invention also relates to methods for melting this composition and fiberizing same via internal centrifugation, and to the mineral wool obtained by means of these methods. The invention also relates to the use of a rock wool recyclate as a source of Al2O3, CaO and MgO for the manufacture of a mineral wool.
Claims15
A composition of raw materials suitable for being melted and fiberized by internal centrifugation in order to obtain a mineral wool, wherein said composition comprises from 1% to 50% by mass of rock wool recyclate.
A method, comprising using rock wool recyclate as a source of Al2O3, CaO and MgO in the manufacture of a mineral wool.
Dependencies are inferred from the claim text.