GLASBLANDNING, DAERAV FRAMSTAELLDA GLASFIBRER OCH DERAS FRAMSTAELLNINGSFOERFARANDE

A glass composition capable of being spun into fibres has the following components expressed as weight percent: SiO2 - 66 to 73; Al2O3 - 0.85 to 5; R2O (= Na2O + K2O) - 14 to 17.5; CaO - 6.5 to 12; and SiO2 + A2O3 - 69 to 74. The composition is free of boric oxide and consequently avoids pollution d...

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Hauptverfasser:	EDWARDS, NORMAN ANTHONY, SHORROCK, PETER, YALE, BRIAN, MASON, ALLEN FRAN
Format:	Patent
Sprache:	fin
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:	A glass composition capable of being spun into fibres has the following components expressed as weight percent: SiO2 - 66 to 73; Al2O3 - 0.85 to 5; R2O (= Na2O + K2O) - 14 to 17.5; CaO - 6.5 to 12; and SiO2 + A2O3 - 69 to 74. The composition is free of boric oxide and consequently avoids pollution difficulties associated with that compound, yet it can be used in high temperature spinners to produce durable fibres.