Glass fibre for reinforcing organic and/or inorganic materials contains oxides of silicon, aluminum, calcium and magnesium

The glass reinforcing fibre consists essentially of the following constituents within the defined limits, expressed in weight per cent: SiO2 50 - 65 per cent, Al2O3 12 - 20 per cent, CaO 2 - 17 per cent, MgO 6 - 12 per cent, B2O3 0 - 3 per cent, TiO2 0 - 3 per cent, Na2O + K2O less than 2 per cent,...

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Bibliographische Detailangaben
Hauptverfasser:	LECOMTE EMMANUEL, CREUX SOPHIE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS 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:	The glass reinforcing fibre consists essentially of the following constituents within the defined limits, expressed in weight per cent: SiO2 50 - 65 per cent, Al2O3 12 - 20 per cent, CaO 2 - 17 per cent, MgO 6 - 12 per cent, B2O3 0 - 3 per cent, TiO2 0 - 3 per cent, Na2O + K2O less than 2 per cent, F2 0 - 1 per cent, Fe2O3 less than 1 per cent. The combined content of MgO + Al2O3 is over 24 per cent, and the combined content of SiO2 + Al2O3 is at least 70 per cent. L'invention se rapporte à des fils de verre de renforcement dont la composition comprend les constituants suivants dans les limites définies ci-après exprimées en pourcentages pondéraux :SiO2 50 - 65 %Al2O3 12 - 20 %CaO 12 - 17 %MgO 6 - 12 %B2O3 0 - 3 %TiO2 0 - 3 %Na2O + K2O < 2 %F2 0 - 1 %Fe2O3 < 1 %.Ces fils sont constitués d'un verre offrant un excellent compromis entre ses propriétés mécaniques représentées par le module d'Young spécifique et ses conditions de fusion et de fibrage.