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Proposed composition contains the following substances, in wt %: soda - 19.0-21.0, borax - 5.0-7.0, cryolite - 5.0-7.0, perlite and/or obsidian - 67.0-69.0. Glass melting is performed at 1260-1300°C. Melt is poured in metal moulds made from refractory steel. Glass articles are subjected to annealing and machining. |
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Glaze contains, wt %: scrap window and/or container glass 77-80; kaolin 2-3; borax 10-14; cryolite 6-8. The glaze has frost-resistance of 40 cycles. The glaze is fired at temperature of 830-900°C. |
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Invention relates to technology of silicates and deals with compositions of glazes for application on facade ceramic tiles. Glaze contains, wt %: broken window or container glass 74-76; kaolin 3-4; melted alkalis NaOH and KOH 3-4; copper oxide 1-2; zinc oxide 3-4; bone ash 12-14. Frost resistance of glaze constitutes 35-40 cycles. Broken window and/or container glass is crushed, mixed with other components and melted at temperature 1400°C. Melt is granulated into water. Finished suspension is applied (by spraying, pouring) on tile surface, dried and burnt at temperature 900-950°C. |
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Element of abrasive material for final vibration machining, and its formation method Element of abrasive material is formed with a solid cast component containing many crushed lumps of broken quartz glass, which are connected to each other by heat treatment so that partially devitrified material is formed; with that, the cast component consists of parts of amorphous material and parts of devitrified material and has a configuration corresponding to at least one configuration chosen from the group that includes a rectangular parallelepiped, an ellipse, a prism, a cone, a tetrahedron, a pyramid, a polygon and a sphere. |
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Crude mixture for making artificial stone Invention relates to making artificial stone and minerals. The crude mixture for making artificial stone contains the following, wt %: rock crystal 19.98-29.98; window sheet glass 30-35; borax 10-15; cobalt carbonate 0.01-0.02; barium oxide 15-20; potash 10-15. The melt is obtained at temperature of 1150-1350°C, poured into metal moulds and fired. |
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Glazing contains the following components, wt %: scraps of window and/or container glass 49-50; kaolin 1-3; calcinated soda 12-15; phosphogypsum 13-15; borax 20-22. The prepared glazing charge is melted at 1000°C. The produced frit is ground, mixed, and a suspension is prepared, which is applied onto the surface of ceramic products. Baking is done at 850°C. |
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Crude mixture for making artificial stone Crude mixture contains the following, wt %: rock crystal 37.8-39.5; red lead 18-22; borax 38-44; cobalt carbonate 0.2-0.5. |
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Crude mixture for making artificial stone Invention relates to making artificial stone and minerals which can be used in making imitation jewellery. The crude mixture for making artificial stone contains the following components, wt %: rock crystal - 80.5-82.5; red lead - 6-8; borax - 4-6; cobalt carbonate - 0.5-1; alumina - 4-6; cryolite - 0.5-1. |
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Crude mixture for making artificial stone Invention relates to making artificial stone and minerals. The crude mixture for making artificial stone contains the following components, wt %: red lead - 12-14; borax - 8-10; cobalt carbonate - 0.01-0.02; chalk - 4-6; barite - 4-6; rock crystal - the balance. |
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Mixture for making enamel coating Invention relates to compositions of mixtures for making enamel coating on ceramic articles. The mixture for making enamel coating contains the following, wt %: container glass 84.0-86.5; mullite 6.0-8.0; zinc oxide 2.0-3.0; zirconium 3.0-4.0; silica gel 1.5-2.0. The enamel has heat resistance of not less than 200°C. The coating is fired at temperature of 850-1000°C. |
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Glaze contains, wt %: breakage of window and/or container glass 92-94; kaolin 1-3; cryolite 3-4; pegmatite 1-2. Temperature of burning constitutes 830-880°C. Temperature of glaze boiling is 1000°C. |
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Crude mixture for making artificial stone Crude mixture for making artificial stone contains the following, wt %: borax 25-35; cobalt carbonate 0.01-0.015; litharge 10-15; crystal - the rest. The mixture of components is melted and poured into metal moulds. The obtained moulds are then annealed, polished and cut. |
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Charge for glass production contains soda, quartz sand and calcium borate sludge at the following ratio of components, wt %: soda - 15.0-19.0; quartz sand - 62.0-70.0; calcium borate sludge - 15.0-19.0. |
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Charge for glass production contains soda, quartz sand and swollen vermiculite at the following ratio of components, wt %: soda - 5.0-8.0; quartz sand - 3.0-5.0; swollen vermiculite - 87.0-92.0. |
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Charge for glass production includes the following components, wt %: soda - 20.0-24.0; quartz sand - 20.0-24.0; broken container glass - 45.5-53.5; previously tempered copper sulphate - 0.5-2.5; fluorspar - 4.0-6.0. |
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Invention relates to the technology of silicates and glase compositions for applying on ceramic, primarily wall tiles. The glase contains scrap window and/or packing glass, kaolin and blast-furnace slag, with the following ratio of components in wt %: scrap window and/or packing glass 85-98; kaolin 1-5; blast-furnace slag 1-10. |
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Crude mixture for making artificial topaz Invention relates to making artificial stones and minerals. The crude mixture for making artificial topaz contains amber packing glass, crystal glass, lead oxide and borax, with components in the following ratio in wt %: amber packing glass 55-60; crystal glass 15-25; lead oxide 10-15; borax 10-15. |
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Crude mixture for making artificial emerald Crude mixture for making artificial emerald contains the following components, wt %: green packing glass - 84.5-89.5; yellow lead 10-15; chromium carbonate 0.2-0.3; copper oxide 0.2-0.3. |
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Artificial opal producing method Artificial opal producing method involves manufacture of balls with diametre of 0.1-0.5 mm 1 from light-diffusing bone and/or opal glass, balls with diametre of 0.05-0.1 mm from crystal colourless glass, their mixturing in proportion of 2:1-4:1 as to volume, and laying of mixture in the mould with further sintering. Prior to sintering, to the ball surface there applied is colourless luster colour. |
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Raw material mix for artificial lazurite obtainment Raw material mix for artificial lazurite obtainment includes, weight parts: light-diffusing opal glass 26-30; chamotte 3-4; soda 5-6; borax 3-4; saltpetre 1-2; cobalt carboxide 1/8-1/10. |
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Row material mixture for obtaining of artificial emeralds Row material mixture for obtaining of artificial emeralds includes (weight parts): green packing glass 56-62; litharge 2-3; soda 11-13; borax 7-8; saltpeter 1-3; chromium carbonate 1/3-2/3. The obtained artificial emeralds possess saturated green colour and typical mineral glance. The temperature of components fusion is 970-1000°C. |
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Raw materials mixture for insert production to be used in jewelry Raw material mixture for production of jewelry inserts includes grinding silicate glass and wastes from ruby and/or sapphire and/or emerald and/or alexandrite and/or noble spinel and/or euclase and/or topaz and/or aquamarine and/or heliodor and/or garnet and/or amethyst and/or jacinth and/or cordierite and/or tourmaline and/or rock crystal and/or bull quartz and/or chrysoprase and/or cornelian treatment. Silicate glass melting at 500-950°C is used. |
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Method of regeneration of fluoride glass Proposed method includes dissolving of wastes in ammonium bifluoride at their mass ratio of 1:3-5, evaporation of excessive bifluoride and obtaining powder-like product which is then treated with gaseous fluorine in the amount of 18-20 g per 100 g of powder for obtaining charge used for making glass. |
Another patent 2528527.