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Home Uzbekistan Technologies Technology of Obtaining Dense Ceramic Granite Plates on the Basis of Local Raw Material

Technology of Obtaining Dense Ceramic Granite Plates on the Basis of Local Raw Material

Description

In recent years in Uzbekistan considerate attention has been given to finishing of outer walls and building panes, interior, including the floors, for which natural stones such as granite, marble are widely used. However, these natural stones have limitations of color range, color of the picture which not always is satisfied by all growing aesthetic needs of the population and by creative concept of a designer. On the other hand, effect of ultraviolet rays leads to elimination and change of color of natural stones. Also, natural stones have natural parting, clot and cave, often radioactivity as well. Appropriate alternative to granite and marble makes a popular artificial facing material for the time being – ceromo-granite. It is a material that represents rock-porcelain ceramics produced in the form of tiles. It was first developed and began to be implemented in 1980s of the last century.

Production process of ceromo-granite models completely natural conditions of formation of a real granite. The sophistication of production consists in the necessity of strict observance of proportions and selection of raw materials and temperature mode of their burning. For giving ceromo-granite the required color, mineral pigments are inserted into the raw mass.

In the institute of Material Sciences it has been developed technology of obtaining ceromo-granitic tiles on the basis of usage of local raw material and wastes of production – Angren kaolin and clays, pegmatites, porcelain rock.

Characteristics of the obtained products are the following: water absorption 0,01%; range of resistance at curve 73,24 MPa, wear resistance 0,08 g/cm3; acid resistance 99,5%, frost resistance 80 cycles; heat resistance 3000 C.

Innovative Aspect and Main Advantages

The technology of obtaining ceromo-granitic tiles has been developed for the first time in Uzbekistan. The primary advantages include:

  • The usage of regional raw materials and wastes of production;
  • It is cost-effective;
  • Creation of scientific and technological base for industrial production of tiles from ceromo-granite.

Main characteristics of ceromo-granite are high hardness, wearing-off tolerance, low water absorption, high frost resistance, resistance to influence of acid and alkali. It has homogeneous pattern for whole depth of a product, i.e., homogeneous on its structure, doesn’t have radioactivity.

Areas of Application

Excellent performance of tiles from ceramic granite predetermines its immensely wide usage as inside of a building or outside, in railways stations, airports and subways. Tiles of ceramic granite are applied at finishing outer walls and facades of buildings, interior, including the floors. It can greatly substitutes high-priced natural rock – granite and marble.


Fig. 1 Tiles from ceromo-granite.

Stage of Development

Experimental pilot samples of tiles from ceramic granites have been produced. Covered by patent of Uzbekistan.

The technology is applied as an innovative project carried out co-operatively with Tashkent Enterprise of Building Materials. Experiments of technological chains in conditions of large-scale production are being carried out.

Contact Details

Institute of Materials Science
Contact person: Fayziev Shavkat
Address: 2-B, G. Mavlyanov St. 100084 Tashkent, Uzbekistan
Tel.: (+998 71) 235 4061
Fax: (+998 71) 233 9564
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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