Preliminary Identification of Silantek Clay as Potential Refractory

Abstract:

Silantek clay deposits were characterized and evaluated for their potential as structutral ceramic products raw materials through chemical, mineralogical and refractory (1250 to 1600^o 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

• Periodical: Materials Science Forum (Volume 840)
• Pages: 124-130
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.840.124
• Online since: January 2016
• Authors: Hazman Seli, Japri Bujang, Zainal Arifin Ahmad
• Keywords: Clay, Kaolinite, Mineral, Quartz, Silantek, Zeolite

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