Abstract: A method of making a ceramic glaze additive formulation having an antimicrobial property for use with a ceramic article is provided. The method comprises fritting an antimicrobial formulation in a flux frit, providing a silver carrier in a glass matrix, combining the flux frit and the silver carrier in the glass matrix to form the ceramic glaze additive formulation, wherein the silver carrier is combined at an addition rate of at least 2 weight %, based on a dry weight basis of the ceramic glaze formulation. The flux frit is present in the ceramic glaze additive formulation in a range of 94 weight % to 99.5 weight %, based on a dry weight basis of the ceramic glaze additive formulation. A ceramic glaze additive formulation and a ceramic glazed article comprising a ceramic glaze additive formulation are also provided.

Abstract: Alkali aluminosilicate glasses that are resistant to damage due to sharp impact and capable of fast ion exchange are provided. The glasses comprise at least 4 mol % P2O5 and, when ion exchanged, have a Vickers indentation crack initiation load of at least about 7 kgf.

Abstract: A colored glass article includes from 40 mol % to 70 mol % SiO2; from 8 mol % to 20 mol % Al2O3; from 1 mol % to 10 mol % B2O3; from 1 mol % to 20 mol % Li2O; from 1 mol % to 15 mol % Na2O; from 0 mol % to 8 mol % MgO; from 0 mol % to 5 mol % ZnO; and from 0.0005 mol % to 1 mol % Au. MgO+ZnO is from 0.1 mol % to 6 mol %.

Abstract: A glass material less likely to cause inconveniences, such as crystallization and the generation of devitrified matters, while holding desired optical properties, has a refractive index of 1.8 or more and a content of Al2O3 of over 0 to 500 mass ppm.

Abstract: The present invention provides a glass sheet having soda-lime-silica glass composition with a high visible light transmittance (LtC) of at least 89% with a dominant wavelength (DW) from about 490 to 505 nanometers and purity (Pe) of no more than 1% for control thickness of 5.66 mm and methods of making the same. The glass composition comprising a low iron raw material, a total iron oxide (Fe2O3) of 0.02 to 0.06 wt. %, ferrous (FeO) from 0.006 to 0.02 wt. %, redox (FeO/Fe2O3) from about 0.30 to 0.55, Cr2O3 from about 0.3 to 10 ppm, TiO2 from about 50 to 500 ppm, SnO2 from about 10 to 500 ppm, and a critical amount from about 0.10 to 0.25 wt. % of SO3. The low content of iron oxide is achieved by the partial substitution of regular raw materials by low iron raw materials, with a complete substitution of regular dolomite by a low iron dolomite with a maximum content of 0.020 wt. % Fe2O3.

Abstract: A glass sheet of silicate-type showing intrinsically a very low visible transmission with high IR transmission at wavelengths of interest (i.e., 850, 900 and 950 nm), and low amounts of Cr6+ species, valuable within the context of autonomous cars, and in particular those fully integrating LiDAR systems. The glass sheet having a composition in a content expressed as weight percentages, by total weight of glass: Total iron (expressed as Fe2O3) 0.04-1.7%, Chromium (expressed as Cr2O3) 0.05-0.8%, Cobalt (expressed as Co) 0.03-0.175%,? where: Cr2O3<1-5.5Co, and 0.5<Cr2O3/Fe2O3?1.2.

Abstract: A glass with high thermal expansion coefficient and excellent thermal shock resistance, wherein the glass includes the following components by mole percentage: 55-80% of SiO2; 0-10% of B2O3; 0-10% of Al2O3; 2-20% of ZnO; 0-15% of MgO; and no more than 30% of Li2O+Na2O+K2O. Through the reasonable proportioning of components, the glass has high thermal expansion coefficient and excellent thermal shock resistance at the same time. The glass is suitable for chemical strengthening, and the glass product obtained after chemical strengthening has large surface stress and large depth of stress layer.

Abstract: Fluorescent rare earth glass frits are suitable for laser marking. A marking composition including fluorescent glass frits is disclosed that is capable of emitting fluorescence under irradiation of ultraviolet rays. A method of forming marks or indicia on a substrate using the fluorescent rare earth glass frits is also disclosed.

Abstract: A glass composition is provided that includes about 55.0 to 60.4% by weight SiO2, about 19.0 to 25.0% by weight Al2O3, about 8.0 to 15.0% by weight MgO, about 7 to 12.0% by weight CaO, less than 0.5% by weight Li2O, 0.0 to about 1.0% by weight Na2O, and 0 to about 1.5% by weight TiO2. The glass composition has a fiberizing temperature of no greater than about 2,500° F. Glass fibers formed from the inventive composition may be used in applications that require high stiffness, and low weight. Such applications include woven fabrics for use in forming wind blades and aerospace structures.

Abstract: A glass substrate for high-frequency devices includes, in terms of molar percentage based on oxides: one or more alkaline-earth metal oxides in a total amount of 0.1 to 13%; Al2O3 and B2O3 in a total amount of 1 to 40%, in which a molar ratio of the contents represented by Al2O3/(Al2O3+B2O3) is 0 to 0.45; at least one oxide selected from the group consisting of Sc2O3, TiO2, ZnO, Ga2O3, GeO2, Y2O3, ZrO2, Nb2O5, In2O3, TeO2, HfO2, Ta2O5, WO3, Bi2O3, La2O3, Gd2O3, Yb2O3, and Lu2O3, in a total amount of 0.1 to 1.0%; and SiO2 as a main component. The glass substrate has a dielectric dissipation factor at 35 GHz of 0.007 or less.

Abstract: Provided is oxide glass in which a content of P5+ is 7 to 43 cation %, a content of Nb ions is 10 to 21 cation %, a content of Li+ is 20 cation % or more, a total content of Nb ions and Li+ is 48 to 70 cation %, a content of Bi ions is more than 0 cation % and is equal to or less than 6 cation %, a content of Ba2+ is 5 cation % or less, a content of Zr4+ is 2 cation % or less, a total content of Ti ions and W ions is 5 cation % or less, and a cation ratio of the content of Li+ to a total content of Li+, Na+, and K+[Li+/(Li++Na++K+)] is 0.5 or more.

Abstract: Provided is a glass fiber, which achieves both of a low spinning temperature, and a low dielectric constant and a low dielectric loss tangent. The glass fiber includes as a glass composition, in terms of mass %, 40% to 80% of SiO2, 0% to 20% of Al2O3, and 10% to 30% of B2O3, includes at least one kind selected from MgO, CaO, SrO, BaO, Li2O, Na2O, K2O, ZrO2, Fe2O3, SnO2, F, and Cl, has a total content of MoO3, Cr2O3, Pt, and Rh of from 0.01 ppm to 500 ppm, and has a value of TiO2 (mass %)×MoO3 (ppm) of 3,100 or less.

Abstract: Provided is optical glass containing, in terms of mol % of cations: 10 to 60% of a La3+ component; more than 0% and up to 75% of a Ga3+ component; and 5 to 75% of a Nb5+ component, in which a total amount of the La3+ component, Ga3+ component, and Nb5+ component is 60 to 100%.

Abstract: The present invention relates to a float glass substrate including an alkali-free glass, the float glass substrate having a Cl content of from 0.10 to 0.50 mass %, containing substantially no SnO2, and having a Pt content of, by mass, from 0.001 to 0.30 ppm. The float glass substrate may have a Rh content of, by mass, from 0.001 to 0.50 ppm.

Abstract: Disclosed is a cellular glass product having a density D at ambient temperature of at most 200 kg/m3 and a process for the production of a cellular glass product having a density D at ambient temperature of at most 200 kg/m3. The process comprises the N steps of: a) contacting glass powder with foaming agent to form a dry mixture, b) thermally treating the mixture in a foaming furnace, thereby forming cellular glass, and c) annealing the cellular glass of step b) in an annealing lehr, wherein the concentration of at least one of the reagents in the dry mixture of step a) that are necessary for enabling the foaming reaction is at least 150% of the concentration N corresponding to the theoretical minimum requirement for obtaining the density D.

Abstract: A glass composition includes from 55.0 mol % to 75.0 mol % SiO2; from 8.0 mol % to 20.0 mol % Al2O3; from 3.0 mol % to 15.0 mol % Li2O; from 5.0 mol % to 15.0 mol % Na2O; and less than or equal to 1.5 mol % K2O. The glass composition has the following relationships: Al2O3+Li2O is greater than 22.5 mol %, R2O+RO is greater than or equal to 18.0 mol %, R2O/Al2O3 is greater than or equal to 1.06, SiO2+Al2O3+B2O3+P2O5 is greater than or equal to 78.0 mol %, and (SiO2+Al2O3+B2O3+P2O5)/Li2O is greater than or equal to 8.0. The glass composition may be used in a glass article or a consumer electronic product.

Abstract: Provided is a titanium-containing quartz glass having excellent UV absorption. The quartz glass absorbs ultraviolet rays having a wavelength of 250 nm or less, ozone generation-related adverse effects on the human body, are prevented, a decrease in transmittance of the quartz glass in the range from near-ultraviolet to visible light due to being colored when irradiated with ultraviolet rays does not occur, absorption build-up or lamp burst-inducing deformation build-up, which is caused by a structural change in the quartz glass that occurs in the range of 200-300 nm when irradiated with ultraviolet rays, is suppressed, and a decrease in transmittance at intended wavelength ranges does not occur even when exposed to ultraviolet rays. The titanium-containing quartz glass having excellent UV absorption is colorless, wherein the average concentration of titanium is 10-500 ppm, the concentration of OH group is 10-350 ppm.

Abstract: One aspect of the present invention provides a powder containing three components of ZnO, Al2O3 and SiO2, wherein each content of the three components is ZnO: 17 to 43% by mole, Al2O3: 9 to 20% by mole and SiO2: 48 to 63% by mole, based on the sum of the contents of the three components.

Abstract: The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In embodiments, the glass composition may include 74-78 mol. % SiO2; X mol. % Al2O3, wherein X is 5-7; alkaline earth oxide comprising MgO and CaO, wherein: CaO is 0.1-1.0 mol. %; MgO is 4-7 mol. %; and a ratio (CaO (mol. %)/(CaO (mol. %)+MgO (mol. %)) is less than or equal to 0.5. The glass composition may further include Y mol. % alkali oxide, wherein the alkali oxide comprises 9-13 mol. % Na2O and less than or equal to 0.4 mol. % of a fining agent. The glass composition may be free of boron and compounds of boron.

Abstract: The present invention provides a glass for a pharmaceutical container, which includes as a glass composition, in terms of mol %, 69% to 81% of SiO2, 4% to 12% of Al2O3, 0% to 5% of B2O3, 5% to 20% of Li2O+Na2O+K2O, 0% to 12% of Li2O, 0% to 11% of Na2O, 0.01% to 11% of MgO+CaO+SrO+BaO, and 0.01% to 11% of CaO, which satisfies the following relationship: a molar ratio MgO/CaO<9.0, and which has a working point of 1,270° C. or less.