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The mineral composition of clay bricks is mainly composed of kaolinite (Al2O3 · 2SiO2 · 2H2O) and 6-7% impurities (oxides of potassium, sodium, calcium, titanium, and iron).
Clay bricks belong to weakly acidic refractory products, which can resist the erosion of acidic slag and acidic gases, but have slightly poor resistance to alkaline substances. Clay bricks have good thermal performance and are resistant to rapid cooling and heating, and can be made into
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