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27 novembre 2012

Introduction High-Alumina Refractory Products

Wholesale High Alumina RefractoryProducts that contain more than 45 percent alumina (Al2O3). The raw materials for such products are industrial alumina and electrolytically produced corundum, with the addition of refractory clay, as well as rock that has a high alumina content (cyanite, andalusite, diaspore, bauxite, and others). High-alumina refractory products are pressed from powders as coarse as 3 mm under a pressure of 60-120 meganewtons per sq m (600-1,200 kilograms-force per sq cm) and are fired at a temperature of 1500°-1750° C. In the USSR, massive highalumina refractory products are divided into classes according to alumina content and, within the classes, into groups  refractory brick, which are distinguished according to technical properties. Corundum refractory products have the highest properties.

Covers the latest developments and discoveries in the field of refractory materials and ceramics Focuses on the practical aspects of their production and use Coverage includes scientific research; raw materials; production; equipment; heat engineering, and applications.The bi-monthly journal Refractories and Industrial Ceramics publishes peer-reviewed articles on the latest developments and discoveries in the field of refractory materials and ceramics, focusing on the practical aspects of their production and use high alumina ball. Coverage includes:

Scientific Research; Raw Materials; Production; Equipment;Heat Engineering and Applications.

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