Abstract
The addition of 9, 14, 15 wt. % Afyon Volcanic Tuff (AVT) into a standard wall tile body has been studied. Dry pressed samples were produced by adding volcanic tuff into the standard wall tile batch composed of Istanbul Etiler clay (IEc), Istanbul clay (Ic), kaolin(a), pegmatite, calcite, kaolin(b) and clay and fired at 1090°C for 40 min.The possible use of AVT has been investigated through a number of tests including viscosity, compressive strength, water absorption and firing shrinkage.Tests were performed on the fired specimens and compared with specifications.As a result, it was found that experienced AVT addition into the standard body can be used for the production of wall tiles. Alkaline properties and viscosity of recipes and water absorption and compressive strength of specimens are slightly affected by AVT addition.
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