Zro2-containing glass-ceramic

Details Zro2-containing glass-ceramic Zro2-containing glass-ceramic

C - Chemistry, Metallurgy

03

C

C03C 10/10 (2006.01) A61K 6/06 (2006.01) C03C 10/00 (2006.01)

Patent

CA 2153132

A ZrO2-containing glass ceramic is described, the main crystalline phas of which is formed by ZrO2 and which has at least one further crystalline phase, and which can be used in particular in dentestry. The glass ceramic compises the following components: Component % by wt. SiO2 42.5 to 58.5 Al2O3 0 to 7.0 La2O3 0 to 9.5 Li2O 7.0 to 14.5 Na2O 0 to 7.5 K2O 0 to 13.5 P2O5 4.0 to 13.5 ZrO2 15.0 to 28.0 TiO2 0 to 6.0 F 0 to 2.0 BaO 0 to 6.5 CaO 0 to 6.0 B2O3 0 to 3.3 CeO2 0 to 3.0 and further comprising a ZrO2 crystalline phase and at least one additional crystalline phase.

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