Technological Characterization of Heavy Clay from the Caí River Valley in Brazil

  • R. C. D. CruzEmail author
  • C. A. Perottoni
  • J. E. Zorzi
  • J. V. Emiliano
Raw Materials Worldwide


This study presents the chemical, mineralogical, mechanical, physical and thermal properties of a clay widely available for use by the ceramic industry in southern Brazil. Some of the most important characteristics of the clay were studied, including its chemical and mineralogical composition, particle size distribution, thermal behaviour and green and after firing properties. The material was a kaolinitic primary clay with low organic content and high amount of finely divided quartz and goethite. This work is part of an effort to make available useful technical data on raw materials affecting ceramic business costs and to promote sustainable exploitation of mineral resources and improved practices in the local heavy clay industry.


clay mineral chemical and mineralogical composition ceramic industry 


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Copyright information

© Springer Fachmedien Wiesbaden 2015

Authors and Affiliations

  • R. C. D. Cruz
    • 1
    Email author
  • C. A. Perottoni
    • 1
  • J. E. Zorzi
    • 1
  • J. V. Emiliano
    • 1
  1. 1.Instituto de Materiais CerâmicosUniversidade de Caxias do SulCaxias do SulBrazil

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