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IPC classes for russian patent Ceramic mixture for making facing tile (RU 2510379):
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 / 2259972
 / 2261847
 / 2270178
 / 2270819
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FIELD: chemistry.
SUBSTANCE: invention relates to compositions of ceramic mixtures which can be used primarily in making facing tiles. The ceramic mixture for making facing tiles contains the following, wt %: kaolin 74.0-77.3; bentonite 4.0-5.0; loess 4.0-5.0; scrap tile 0.1-1.0; phosphorite 5.0-6.0; zircon 0.1-1.0; talc 7.0-9.0.
EFFECT: high strength of articles.
1 tbl
The invention relates to compositions of ceramic masses, which can be used mainly for the manufacture of tiles.
Known ceramic material containing, wt.%: kaolin 70,0-73,0; bentonite 3,0-5,0; Lessa 4,0-5,0; tiled fight 6,0-12,0; phosphorite 8,0-14,0 [1].
The objective of the invention is to increase the strength of the products obtained from the ceramic body.
The technical result is achieved in that the ceramic material for the manufacture of tiles, including kaolin, bentonite, loess, tiled fight, phosphates, further comprises zirconium silicate and talc in the following ratio, wt.%: kaolin 74,0-77,3; bentonite 4,0-5,0; Lessa 4,0-5,0; tiled fight 0,1-1,0; phosphorite 5,0-6,0; zircon 0,1-1,0; talc 7,0-9,0.
The table below shows the composition of the ceramic material for the manufacture of tiles.
| Components |
Composition, wt.%: |
|
1 |
2 |
3 |
| Kaolin |
74,0 |
77,3 |
76,0 |
| Bentonite |
4,0 |
4,5 |
5,0 |
| Loess |
5,0 |
4,5 |
4,0 |
| Tiled fight |
1,0 |
0,1 |
1,0 |
| Phosphorit |
6,0 |
5,5 |
6,0 |
| Zircon |
1,0 |
0,1 |
1,0 |
| Talc |
9,0 |
8,0 |
7,0 |
| Compressive strength, MPa |
40-45 |
40-45 |
40-45 |
For preparation of the ceramic material can be used high-quality kaolin, bentonites, Lessa any of the fields.
The components are metered in the desired quantities, grind to powder, preparing a ceramic composition with a moisture content of 20-25%, from which plastic method is formed into tiles. The product is dried to a moisture content of 1-6% and calcined at a temperature of 1200-1250°C. On the surface of the fired tiles put a layer of glaze and at a temperature of 950-1000°C have a second firing. Possibly up caribbeana glazed surfaces of ceramic tile colors.
The source of information
1. SU 1542933, SW 33/00, 1990.
Ceramic material for the manufacture of tiles, including kaolin, bentonite, loess, tiled fight, phosphates, characterized in that it further contains zirconium silicate and talc in the following ratio, wt.%: kaolin 74,0-77,3; bentonite 4,0-5,0; Lessa 4,0-5,0; tiled fight 0,1-1,0; phosphorite 5,0-6,0; zircon 0,1-1,0; talc 7,0-9,0.
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