Abstract
Silantek clay deposits were characterized and evaluated for their potential as structutral ceramic products raw materials through chemical, mineralogical and refractory (1250 to 1600o C) properties determinations. Results show that the main oxides in the samples were SiO2 and Al2O3, whereas the other oxides present only in small quantity. Kaolinite(Al2Si2O5(OH)4) and quartz(SiO2) present as dominant mineral phases and the minor phases of mullite(Al6Si2O13) and zeolite(Na2Al2Si3O10·2H2O) also appeared in the samples. From the results of the refractoriness tests up to 1600°C, samples ST11, ST23A, ST31A, ST31B, ST33 have potential for refractory products as they demonstrated high thermal resistance properties(over 1600°C). Silantek clay potential to be used as raw materials mainly for refractory, structural ceramics and other common ceramic products
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