Aluminarefractory brickswith A1203 content greater than 48% are collectively referred to as high alumina refractory bricks. According to the content of A1203, it is divided into three grades: Class I (A1203>75%); Class II (60%-75% for A1203); Class III (48%-60% for··· ...

highalumina refractory brick, that is, an aluminum silicate refractory material with an alumina content of more than 48%. It is formed and calcined from bauxite or other raw materials with high alumina content. High thermal stability, refractoriness above 1770℃, good··· ...

Alumina bubblebricks are made of alumina bubbles as the main material, corundum superfine powder as additives, and organic substances as binders. In the category of corundum thermal insulation bricks, this material has the low thermal conductivity of thermal insulatio··· ...

The properties of alumina bubble ball castables with different amounts of alumina bubble balls treated at 110°C for 24h, 1100°C for 3h and 1350°C for 3h are different.(1) With the increase of alumina bubble ball content, the volumetric density of the sample decreas··· ...

With the development of society and the improvement of people's living standards, the amount of aluminum and aluminum alloys shows an obvious increasing trend. As the main smelting equipment for aluminum and aluminum alloys, induction furnaces have attracted more ··· ...

Compared with clay refractories, high-alumina refractories are characterized by high refractoriness and softening temperature under load. With the increase of the mass fraction of Al2O3, the slag resistance performance is significantly improved.1. Refractoriness. The ··· ...

High Puritycalcium aluminate cement refractory castable is made of pure calcium aluminate cement as binder, with super-grade bauxite clinker, sintered alumina and fused corundum as refractory aggregate and powder. The non-burning high-grade refractory material made af··· ...

The high-alumina heat storage ball is a ceramic product made of α-alumina powder as the basic raw material, with an alumina content of more than 92%, after rolling or pressing, and sintering at a high temperature of 1600 degrees Celsius.High-aluminum heat storage bal··· ...

In the configuration design of glass furnace lining, shaped refractory bricks are mainly used. According to the working conditions of different parts of the glass furnace, the materials and properties of the refractory bricks used are also different. The following are··· ...

At present, magnesia-chrome bricks are the main refractory materials for RH furnaces. Compared with other refining equipment outside the furnace, the refractory materials used in the RH vacuum tank are not only eroded by high-temperature molten steel and slag during t··· ...