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Vol 10, Issue 1, 2014
Pages: 215 - 223
Review paper
Nonmetallic materials
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Published: 24.04.2014. Review paper Nonmetallic materials

AN OVERVIEW OF PORE FORMING ADDITIVES USAGE IN FIRED CLAY BRICKS

By
Adnan Mujkanovic ,
Adnan Mujkanovic
Contact Adnan Mujkanovic

FACULTY OF ENGINEERING AND NATURAL SCIENCES, University of Zenica , Zenica , Bosnia and Herzegovina

Marina Jovanović
Marina Jovanović

FACULTY OF ENGINEERING AND NATURAL SCIENCES, University of Zenica , Zenica , Bosnia and Herzegovina

Abstract

For the production of vertically perforated bricks with very good thermal insulation properties it is necessary to increase porosity of ceramic body. The most effective way to achieve this is the addition of organic substances into the clay mass. During the firing process combustion of these substances occures, leaving behind a large number of fine pores and thus drastically reducing the thermal conductivity of bricks. This paper provides an overview of the most widely used organic pore forming additives for bricks production.

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