PARTIALLY CRYSTALLISED GLASS PLATE
The invention relates to a partially crystallised glass plate, having a coefficient of linear thermal expansion within the range from 20 to 40.10-7/K, and having a chemical composition comprising the following constituents varying within the following weight limits: 55-70% SiO2; 12-25% Al2O3; 1-2% L...
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Zusammenfassung: | The invention relates to a partially crystallised glass plate, having a coefficient of linear thermal expansion within the range from 20 to 40.10-7/K, and having a chemical composition comprising the following constituents varying within the following weight limits: 55-70% SiO2; 12-25% Al2O3; 1-2% Li2O; 0- |
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