Glass-ceramics, their preparation and process for use

Glass-ceramic consisting of: SiO2: -30-70 wt %; A12O3: 8-45 wt %; M2O:8-30 wt %; MO: 0-30 wt %; B2O3: 0-15 wt %; P2O5: 0-15 wt %; Zr2O: 0-12 wt %; TiO2: 0-12 wt %, wherein M is chosen in the group consisting of: Li, NA, K or mixture thereof; M' is chosen in the group consisting of: Be, Mg, Ca,...

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Bibliographische Detailangaben
Hauptverfasser: M. BITOSSI, G. BALDI, E. GENERALI
Format: Patent
Sprache:eng
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Zusammenfassung:Glass-ceramic consisting of: SiO2: -30-70 wt %; A12O3: 8-45 wt %; M2O:8-30 wt %; MO: 0-30 wt %; B2O3: 0-15 wt %; P2O5: 0-15 wt %; Zr2O: 0-12 wt %; TiO2: 0-12 wt %, wherein M is chosen in the group consisting of: Li, NA, K or mixture thereof; M' is chosen in the group consisting of: Be, Mg, Ca, Ba, Sr, Zn, Pb or mixture thereof are described.