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Raw material mixture for brick manufacturing Invention relates to field of manufacturing wall building materials. Raw material mixture for brick manufacturing includes, wt %: wood sawdust 52.8-59.7; quartz sand 15.0-20.0; Portland cement 25.0-27.0; sodium methylsiliconate 0.05-0.1; fibrous wastes of spinning or weaving industry 0.1-0.25; with water-cement ratio 0.6-0.65. |
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Wet spinning substrate with high sound absorption Invention primarily relates to sound absorbing and/or sound insulating structural materials. The method of making a wet spinning substrate with high sound absorption involves the following steps: dispersing extruded fibres in an aqueous suspension with suspension consistency of up to 3.5 wt %; mixing said aqueous suspension until a homogeneous aqueous mixture is obtained; distributing said homogeneous aqueous mixture on a screen conveyor; dehydrating the homogeneous aqueous suspension to obtain a wet mat; drying the wet mat to obtain a sound-absorbing substrate. A fibre-based sound-absorbing intermediate product contains a composition which contains extruded fibres and water, the composition being characterised by dispersion consistency of up to 3.5 wt %. The fibre-based sound-absorbing substrate contains a mixture of extruded fibres and spun fibres, wherein the ratio of the number of extruded fibres to the number of spun fibres is about 0.13:1; and binder in which there are no formaldehyde-releasing reactive resins; the substrate is characterised by NRC of at least 0.80. |
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Invention relates to the industry of construction materials and more specifically to compositions of concrete mixtures used in making precast and monolithic reinforced concrete structures. The concrete mixture, which contains portland cement, quartz sand, mineral fibre and water, contains mineral fibre in form of basalt fibre with diameter of 13-17 mcm and length of 6-12 mm, and additionally contains superplasticiser Polyplast SP-4, with the following ratio of components, wt %: portland cement - 28-30, quartz sand - 56-60, said mineral fibre - 0.05-0.18, said superplasticiser - 0.12-0.18, water - the balance. |
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Crude mixture for producing thermal insulation material Invention relates to the industry of structural thermal insulation materials. The crude mixture for producing thermal insulation material contains the following, wt %: kaolin fibre 48.0-51.0; soluble glass 6.0-8.0; asbestos 5.0-7.0; ground quartz glass 14.0-18; kaolin 15.0-18.0; alumina 4.0-6.0. |
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Crude mixture for producing structural materials Invention relates to a crude mixture for producing structural materials. The crude mixture for producing structural materials contains the following in wt %: peat 30-40; sawdust with particle size of 5 mm 10-15; bischofite 3-5; aluminium-chromium-phosphate 1-3; caustic magnesite 14-24; filtered pulp consisting of waste paper ground in water with 40-60% moisture content 25-30. |
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Method for production of vermiculite heat-insulating composition Method for preparation of vermiculite heat-insulating composition includes mixing binder - portland cement with additives with dry components of filler - blown-out vermiculite and ground mineral fibre, besides binder is previously mixed with mixing water, then mixed with 25-30% of mixture of dry filler components, and in 20-30 minutes it is mixed with remaining part of dry filler components mix previously heated up to 80-85°C in 5-10 minutes, and produced heat-insulating composition is maintained for 15-20 minutes before application onto protected surface. |
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Inorganic board and method of manufacturing thereof Inorganic board contains a hydraulic cement material, a floured reinforcing fabric of setting qualities 650 ml and less, and saturated carboxylic acid in the following ratio, wt % of solid weight: said cement hydraulic material 20-75, said floured reinforcing fabric 1-30, and said saturated carboxylic acid 0.1-2. There is described method of manufacturing an inorganic board. |
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Bearing plate and method for its manufacturing (versions) Invention is related to technology of bearing construction plates. In manufacturing of bearing plate, initial suspension is produced by dispersion of cement hydraulic material in water, as well as ground fibers with freeness of not more than 650 ml, non-ground fibers and light filler; stearic or succinic acid is added to this suspension as saturated carbonic acid and mixed; semi-finished plate is made with application of paper-making process; and finished product is made by means of its dehydration, pressing and soaking. Bearing plate comprises the following components, wt % of total amount of hard substance: at least 20 and not more than 60% of cement hydraulic material, at least 6 and not more than 20 reinforcing fibers, at least 3 and not more than 18 of light filler, and also at least 0.1 and not more than 3% of saturated carbonic acid. Reinforcing fibers consist of ground fibers with freeness of not more than 650 ml and non-ground fibers. Stearic or succinic acid is used as saturated carbonic acid. |
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Invention refers to concrete mixture compounds. Concrete mixture including cement, filler, water, and basalt fibre with diametrer of 8-10 mcm and 100-500 mcm long and modified with the matter chosen from the group that includes multi-layer polyhedral carbon fulleroid-type nanostructures having interlayer distance of 0.34-0.36 nm, average particle size of 60-200 nm and bulk density of 0.6-0.8 g/cm3, and multi-layer carbon nanotubes having interlayer distance of 0.34-0.36 nm; that matter is taken in quantity of 0.0001-0.005 part by mass for one part of basalt fibre by mass; at that mixture contains filler that is chosen from the group involving gravel mixed with sand and gravel mixed with aluminosilicate microspheres, and is used as filler; and in addition, concrete mixture contains plasticising agent-sodium polynaphthalene methylene sulfonate at the following component ratio (wt %): cement 24-48, filler 30-60, modified basalt fibre 2-6, plasticising agent 0.9-1.1, and water is the rest. |
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Heat-insulating material contains, wt %: kaolin fibre 30.0-40.0; soluble glass 8.0-12.0; ferrochrome slag 20.0-30.0; asbestos 8.0-12.0; wastes of zircon-ilmenite ore enrichment 8.0-12.0; spodumene 8.0- 12.0. |
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Composition for manufacture of plates for permanent forms Proposed composition may be used for manufacture of plates which are used as external or internal layer of enclosing structure. Proposed composition contains the following components, mass-%: savings, 25.0-45.0; mineral finely-ground component - Portland cement or binder on base of finely-ground blast-furnace slag and water glass or aluminous cement or micro-silica, 15.0-40.0; basalt fiber, 10.0-20.0; antiseptic, 0.5-1.0; water, 20.0-24.5. |
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Method for production of decorative article on the basis of mineral binding agent The method consists in metering of the binding agent, water, filling material, fibrous material in the form of fibers, mixing of them, forming and solidification stage. The fibers are embedded in the mix in the stage of forming with formation of stitches on the article surface with fastening on them at least of one solid having of hole for passage of the fiber. |
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Method of glazing concrete articles Proposed method includes application of glaze suspension on surfaces followed by drying and fusion; prior to fusion, decorating material is applied on non-hardened surface layer of article in form of twisted textile mineral fibers impregnated with glaze suspension; fusion is carried out after 28-day holding of articles. Said fibers may be divided lengthwise into sections impregnated with glaze suspensions of different color. |
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Composition for manufacture of the heat-insulating material The invention is pertaining to the field of the chemical industry. The composition for manufacture of the heat-insulating material includes the carbamideformaldehyde resin, the acid hardening agent, the filling agent, the surface-active substance and the water. In the capacity of the filling agent they use asbestos- chrysotile, either the basalt fiber, or the fiberglass, either the slag wool, or their binary mixture at any mass ratio, and also it additionally contains "REST" modificator made on the basis of the alkali metals carboxylates and alcohols of the aliphatic series at the following components ratio (in mass %): the carbamideformaldehyde resin - 65-72; the acid hardening agent - 1.1-1.8; the filling agent - 1.1-10.2; the surface-active substance - 2.6-3.4; "REST" modificator made on the basis of the alkali metals carboxylates and alcohols of the aliphatic series - 2.2-2.4; the water - 10.2-28.0. The technical result of the invention: the big duration of the service life of the composition with the high characteristics of the fire-safety and the indexes of the mechanical strength. |
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Concrete mixture comprises, in mass %, 20-22 of Portland cement, 43-44 of quartz sand, 3.5-5 of mineral fiber, and water. |
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Blend for manufacture of thermal silicate material Invention relates to manufacture of silicate building materials based on lime-silica binder and may be used for manufacturing thermal silicate articles. Blend contains, wt %: slaked lime 22-28, diatomite 26-35, nepheline slime 5-10, wollastonite concentrate including at least 90% fraction with needle size 80 μm, 26-35, and gypsum semihydrate 3-10, said wollastonite concentrate being wollastonite ore processing and concentration product. |
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Concrete containing organic fibers, dispersed in cement mortar (variants) Concrete containing solidified cement mortar with dispersed organic fiber is obtained by mixing of composition with water. Concrete also contains: (a) cement, (b) grained components, (c) fine dispersed puzzolane components, (d) at least one dispersing additive. Grained components (b) have particles of maximum size D not more than 2 mm, preferably not more than 1 mm. Fine dispersed puzzolane components (c) have elementary particles of size not more than 20 µm, preferably not more than 1 µm. Water content as reduced to mass of cement (a) and fine dispersed puzzolane components (c) is from 8 % to 25 %. Length of individual organic fibers I is at least 2 mm, and ratio of 1/⊘ is at least 20, wherein ⊘ denotes fiber diameter. Fiver volume is not more than 8 % of concrete volume after solidifying. Ratio R of average fiber length L and maximum size D of grained component particles is at least 5. Concrete tested to direct extension has ductility coefficient δ>1, preferably δ>1,25. |
Another patent 2513403.