Ceramic mosaic tile Manfredini e Schianchi

Term which generally refers to the mixture of glazed & single fired porous tiles, with rapid cycle and indoor use. Historically the term appeared in 1982 during the research and the ratification of the first results which permitted the achievement of tiles with good mechanical resistance, nil or very limited shrinkage, reasonably high porosity, slim thickness and covering even with matt & glossy glazes as the traditional production of majolica & earthenware.
The body composition of classic red porous single firing obtained with a wet cycle differs from majolica due to the minor content of carbonates and a composition of different raw materials in which sand, sandy clay & feldspars can be found to eliminate the tendency of black core and facilitates the viscosity of the slurry. With the DRY-TECH system this problem is avoided and it is possible to increase the plastic components of the mixture and decrease the costs of raw materials. The mixture is fired between 1050° & 1100°C with a cycle varying between 30-40 minutes.
The porous single firing white composition is similar to the strong earthenware one and is fired at a temperature above 1100°C on slightly longer cycles. The surface of the support obtained with the DRY-TECH process is without imperfections and %u201Corange peel%u201D effect which therefore permits noticeable savings in engobes and glazes.

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