Abstract: The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO2: 65-85%; Al2O3: 1-15%; Li2O: 5-15%; ZrO2: 0.1-10%; P2O5: 0.1-10%; K2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

Abstract: The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO2: 65-85%; Al2O3: 1-15%; Li2O: 5-15%; ZrO2: 0.1-10%; P2O5: 0.1-10%; K2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

Abstract: A microcrystalline glass product. The microcrystalline glass product includes the following components in percentage by weight: SiO2: 45-70%; Al2O3: 8-18%; Li2O: 10-25%; ZrO2: 5-15%; P2O5: 2-10%; and Y2O3: greater than 0 but less than or equal to 8%. Through reasonable component design, the microcrystalline glass and the microcrystalline glass product have excellent mechanical and optical properties and are suitable for electronic devices or display devices.

Abstract: A microcrystalline glass and microcrystalline glass product with excellent mechanical properties, microcrystalline glass product, the components of which, expressed in weight percent, contain: SiO2: 65˜80%; Al2O3: below 5%; Li2O: 10˜25%; ZrO2: 5˜15%; P2O5: 1˜8%. Through the reasonable component design, the microcrystalline glass product has excellent mechanical properties.

Abstract: A glass ceramic substrate contains a glass ceramic having a compressive stress layer on a surface thereof and a crystalline phase containing LiAlSi4O10, quartz, and quartz solid solution. The glass ceramic has 60 to 80% of SiO2, 4 to 20% of Al2O3, more than 0 but less than or equal to 15% of Li2O, more than 0 but less than or equal to 12% of Na2O, 0 to 5% of K2O; more than 0 but less than or equal to 5% of ZrO2, 0 to 5% of P2O5, and 0 to 10% of TiO2. The quartz and the quartz solid solution crystalline phase account for 15 to 30% of the glass ceramic by wt %, the LiAlSi4O10 crystalline phase accounts for not greater than 15% of the glass ceramic by wt %, and a ratio of ZrO2/Li2O is more than 0 but less than or equal to 0.35.

Abstract: A glass ceramic contains the following components by wt %: 60 to 80% of SiO2; 4 to 20% of Al2O3; 0 to 15% of Li2O; more than 0 but less than or equal to 12% of Na2O; 0 to 5% of K2O; more than 0 but less than or equal to 5% of ZrO2; 0 to 5% of P2O5; and 0 to 10% of TiO2. A crystalline phase contains at least one of R2SiO3, R2Si2O5, R2TiO3, R4Ti5O12, R3PO3, RAlSi2O6, RAlSiO4O10, R2Al2Si2O8, R4Al4Si5O18, quartz and quartz solid solution. With a liquidus temperature below 1,450° C., a thermal conductivity above 2 w/m·k, and a Vickers hardness above 600 kgf/mm2, the glass ceramic is applicable to portable electronic devices and optical devices.

Abstract: The present invention provides a microcrystalline glass and microcrystalline glass product with excellent mechanical properties, microcrystalline glass product, the components of which, expressed in weight percent, contain: SiO2: 65 ?80%; AI2O3: below 5%; Li2O: 10 ?25%; ZrO2: 5 ?15%; P2O5: 1 ?8%. Through the reasonable component design, the microcrystalline glass product obtained by the present invention have excellent mechanical properties.

Abstract: The present invention provides a microcrystalline glass product. The microcrystalline glass product includes the following components in percentage by weight: SiO2: 45-70%; Al2O3: 8-18%; Li2O: 10-25%; ZrO2: 5-15%; P2O5: 2-10%; and Y2O3: greater than 0 but less than or equal to 8%. Through reasonable component design, the microcrystalline glass and the microcrystalline glass product obtained in the present invention have excellent mechanical and optical properties and are suitable for electronic devices or display devices.

Abstract: The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO2: 65-85%; Al2O3: 1-15%; Li2O: 5-15%; ZrO2: 0.1-10%; P2O5: 0.1-10%; K2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

Abstract: The present invention provides a microcrystalline glass product. The microcrystalline glass product includes the following components in percentage by weight: SiO2: 45-70%; Al2O3: 8-18%; Li2O: 10-25%; ZrO2: 5-15%; P2O5: 2-10%; and Y2O3: greater than 0 but less than or equal to 8%. Through reasonable component design, the microcrystalline glass and the microcrystalline glass product obtained in the present invention have excellent mechanical and optical properties and are suitable for electronic devices or display devices.

Abstract: The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO2: 65-85%; Al2O3: 1-15%; Li2O: 5-15%; ZrO2: 0.1-10%; P2O5: 0.1-10%; K2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

Abstract: A glass ceramic contains the following components by wt %: 60 to 80% of SiO2; 4 to 20% of Al2O3; 0 to 15% of Li2O; more than 0 but less than or equal to 12% of Na2O; 0 to 5% of K2O; more than 0 but less than or equal to 5% of ZrO2; 0 to 5% of P2O5; and 0 to 10% of TiO2. A crystalline phase contains at least one of R2SiO3, R2Si2O5, R2TiO3, R4Ti5O12, R3PO3, RAlSi2O6, RAlSiO4O10, R2Al2Si2O5, R4Al4Si5O18, quartz and quartz solid solution. With a liquidus temperature below 1,450° C., a thermal conductivity above 2 w/m·k, and a Vickers hardness above 600 kgf/mm2, the glass ceramic is applicable to portable electronic devices and optical devices.

Abstract: The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO2: 65-85%; Al2O3: 1-15%; Li2O: 5-15%; ZrO2: 0.1-10%; P2O5: 0.1-10%; K2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

Abstract: A high-hardness transparent glass ceramic and a preparation method therefor, wherein the components by weight percentage include: 55.0%-70.0% of SiO2, 15.0%-20.0% of Al2O3, 0%-10.0% of MgO, and 0%-12.5% of ZnO, necessarily including one of MgO or ZnO, and the crystallized glass thereof contains microcrystals of spinel crystal. In the present invention, a suitable precursor glass is subjected to thermal treatment, and microcrystals are separated from the glass substrate by crystallization, producing a glass ceramic having a Moh's hardness greater than 7 and a visible-light transparency rate greater than 80% through 1 mm of the glass. The glass ceramic of the invention overcomes the problem that ordinary optical glass is easy to be scratched. The present glass ceramic can be served as protective face for mobile phones, protective glass for optical instruments and in communications equipment, substrate for magnetic disks, LCD panel, or protective glass for other optoelectronic devices.

Abstract: A high-hardness transparent glass ceramic and a preparation method therefor, wherein the components by weight percentage include: 55.0%-70.0% of SiO2, 15.0%-20.0% of Al2O3, 0%-10.0% of MgO, and 0%-12.5% of ZnO, necessarily including one of MgO or ZnO, and the crystallized glass thereof contains microcrystals of spinel crystal. In the present invention, a suitable precursor glass is subjected to thermal treatment, and microcrystals are separated from the glass substrate by crystallization, producing a glass ceramic having a Moh's hardness greater than 7 and a visible-light transparency rate greater than 80% through 1 mm of the glass. The glass ceramic of the invention overcomes the problem that ordinary optical glass is easy to be scratched. The present glass ceramic can be served as protective face for mobile phones, protective glass for optical instruments and in communications equipment, substrate for magnetic disks, LCD panel, or protective glass for other optoelectronic devices.