Use of Ornamental Rock Waste in Porcelain Tile

A.J. Souza; Bruno C.A. Pinheiro; S.J.G. Sousa; J.N.F. Holanda

doi:10.4028/www.scientific.net/MSF.591-593.454

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High Density Ba₂AlWO_5.5 Ceramic Compacts Produced through Liquid Phase Sintering Route for Temperature Sensores
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Use of Ornamental Rock Waste in Porcelain Tile
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HomeMaterials Science ForumMaterials Science Forum Vols. 591-593Use of Ornamental Rock Waste in Porcelain Tile

Use of Ornamental Rock Waste in Porcelain Tile

Abstract:

The ornamental rock industry generates huge amounts of waste in form of fine powder, demanding adequate alternatives for its final disposal. The possibility of using ornamental rock waste as a flux in porcelain tile has been assessed. The porcelain tile formulations are constituted mainly by kaolin, feldspar and quartz. The waste was added to a typical porcelain tile body, replacing the sodic feldspar by up to 15 wt. %. The prepared pastes were fired of 1240°C using a fast-firing cycle. The specifications of porcelain floor tile in terms of physical properties were achieved.