PRODUCTION OF MINERAL FIBERS

Method for production of mineral glass fibres with low contents of alumina oxide, comprises making of melting from molten charge, containing granules of mineral material and shaping the fibres of this melting, wherein the melting and fibres has a composition, measured as oxides, that contain alumina...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JENSEN SOREN L, FAARBORG JORGEN, SORENSEN LONE M, CHRISTENSEN VERMUND R, HOYER HANS, SWEENY PHILIP
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	Method for production of mineral glass fibres with low contents of alumina oxide, comprises making of melting from molten charge, containing granules of mineral material and shaping the fibres of this melting, wherein the melting and fibres has a composition, measured as oxides, that contain alumina oxide in amount less than 4 wt. % and at least 50 wt. of mineral charge are granules bonded by lignin with the contents of alumina oxide less that 4 wt. made by pressure pressing of the part mineral material with the size of particles at least 90 wt. % under 2 mm with lignin bond, which basically does not contains aluminium.