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Calcined Kaolin

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RZ calcined kaolin is made by coal mine waste and coal gangue,under high temperature calcination.It has the features of whiteness, high refractoriness, good acid and alkali resistance, low abrasion, stable chemical property and excellent performance.

Features of RZ Calcined Kaolin:

• High refractoriness • Physicochemical stability • Volume density high • Low porosity • Low water absorption • Fully calcined • Low impurity content • Pure white.

Applications of RZ Calcined Kaolin:

RZCalcined kaolin is mainly used for manufacturing high-quality refractory products, refractory castable, sagger,kiln furniture, crucibles, ceramic fiber,precision casting sand, ceramics products etc.

Technical Data:

Name	SiO₂+Al₂O₃	Al₂O₃	Fe₂O₃	TiO₂	MgO+CaO	K2O+Na₂O	LOI	Moisture	Size
Calcined Kaolin-L	＞98%	＞ 45%	＜ 0.4%	＜ 0.5%	＜0.5%	＜0.2%	＞ 0.2%	＜0.2%	0-12 mm 80-325 mesh
Calcined Kaolin-H	＞97%	＞43%	＜0.6%	＜0.8%	＜0.8%	＜0.5%	＞0.3%	＜0.2%	0-12mm 80-325 mesh