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Calcined Kaolin is produced by calcining (firing, sintering) kaolin clay or kaolinite rock (flint clay). Calcination is mainly carried out in rotary kilns, but also in shaft kilns, ring kilns and tunnel kilns. There are chamottes with different alumina contents and correspondingly different refractoriness. Depending on the chemical composition, different levels of corrosion and acid resistance are achieved. Fireclay can be supplied as a raw material in a fineness of 0 to 25 mm or 0 to 50 mm, but also in finished refractory grain sizes and finenesses.
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Calcined Kaolin is one of the oldest and most widely used refractory products. It is used as moulding sand in foundries and for acid-resistant bricks. It can also be used in the manufacture of paints or paper.
White Fused Alumina (WFA) is a high-purity, white abrasive made from aluminum oxide. It is produced by melting high-quality alumina in an electric arc furnace at very high ...
Calcined Kyanite is produced by calcination of Virginia Kyanite, an alumino silicate. Kyanite ore is crushed, the kyanite crystals are separated from other ore components a...
Pyrophyllite is a mineral silicate classified in the phyllosilicate group. It is characterized by its foliated structure and transparency, and it is often found in differen...