Características Físico-Químicas das Argilas Utilizadas na Indústria de Cerâmica Vermelha no Município de Tabatinga-AM: Um Estudo de Caso em Indústrias do Município

Abstract

The red ceramic industry in the state of Amazonas has its main production hub in the city of Iranduba and the metropolitan region of Manaus, with increasing annual demand. The municipality of Tabatinga, despite having few records in the regional industry, has been gaining prominence in the local economy through the production of ceramic bricks, impacting housing quality and generating jobs. This study analyzes the physicochemical properties of the clays used in the manufacture of blocks and tiles, aiming to obtain an optimal composition to enhance the quality of ceramic products. Test specimens were produced with different proportions of white and red clay and subjected to tests for water absorption, porosity, and mechanical resistance. The results showed that the final strength of the material is directly related to the plasticity of the red clay, resulting in a product with a strength exceeding 20 MPa, as required by the ABNT NBR 6220/1997 standard.