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The characteristics of refractory materials

The characteristics of refractory materials include: a high refractoriness, a good load softening degree, the volume stability in a high temperature,a thermal shock resistance and a good slag resistance.In addition, it also requires refractory materials have the wear resistance.For refractory products, in addition to the above requirements, but also requires its neat appearance, standard size. Usually the content of SiO2 is more than 93% in acid refractory material, its main characteristic is under the high temperature resistant to acid slag erosion, but easy to react with the alkaline slag.Acid refractory materials are mainly quartz glass, fused silica combining products, silica brick and not finalize the design the siliceous refractory matreial, half siliceous refractory material generally fall under this category, as for the clayey refractory material , also has its domestication such, called half acid or weak acid refractory material.And zircon stone refractory materials and special acid refractory silicon carbide refractories material do also such category.

Pub Time : 2015-03-25 10:16:54 >> News list
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