Alumina based Sintered Magnesium aluminium Spinel

Alumina based Sintered Magnesium aluminium Spinel is made from high-quality alumina and high-quality magnesium oxide, adopting a unique technique and sintering at high temperature above 1900 °C. It has the characteristics of strong corrosion resistance, good slag resistance, high thermal vibration stability and high temperature resistance. Compared with the current market products, it has higher strength and bulk density, lower porosity and water absorption, so it has better high temperature performance.

Index Type	Chemical Composition（%）
	Al2O3	MgO		SiO2	Fe2O3	BD（g/cm3）	Water Absorption（%）
MAS-50	48-49		49-51	≤0.5	≤0.5	≥3.35	≤1.0
MAS-66	64-67		32-35	≤0.4	≤0.4	≥3.30	≤1.0
MAS-78	76-79		21-23	≤0.3	≤0.35	≥3.28	≤1.0

Alumina based light Sintered Magnesium aluminium Spinel

Adopted unique wet technique, with the characteristics of high purity, low density, low thermal conductivity and high strength,it is mainly used in new ladle castables and large cement kilns. It is a new type of energy-saving and environmental protection material and can effectively save energy.

Index Type	Chemical Composition（%）
	Al2O3	MgO	SiO2	Porosity（%）	BD（g/cm3）
QMA	63-66	32-35	≤0.35	20-28	≤2.6

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