What is silica brick?Silica refractory brick, with a content of more than 93%, is a kind of quartzite as raw material, a small amount of mineralizer is added, and it is fired at high temperature. It is a complex structure composed of tridymite, cristobalite, a small a··· ...

Lightweight heatinsulating firebrickis a kind of refractory and heat-insulating product with light weight, tiny pores evenly distributed inside, high porosity, and good heat-insulating effect. Lightweight thermal insulation firebricks can effectively reduce the floor ··· ...

Magnesia furnace bricks should be reasonably selected and used according to the working conditions and their properties. The varieties and uses of magnesia furnace bricks have been introduced before. The following are the kilns in which several magnesia furnace bricks··· ...

Magnesia-chrome bricks have almost replaced magnesia bricks in the iron and steel smelting and non-ferrous metal smelting industries. Since the chromium oxide (Cr2O3) contained in them can continue to diffuse, magnesia-chrome bricks can be easily attached to the kiln ··· ...

Zirconia refractoryThe relative molecular mass of zirconia (ZrO2) is 123.2, the true density is 5.68g/cm3, the melting point is 2670°C, the Mohs hardness is 6.5 degrees, and the average linear expansion coefficient at 20~1000°C is 10×10-6/°C:, 1000 The ℃ thermal ··· ...

What is soft fireBrick? According to the specific gravity of refractory products, it is divided into heavy and light. For example, 0.4-1.0 bulk density is light brick; 1.2-1.8 is medium brick, 2.0-3.9 specific gravity is heavy brick, and light refractory brick is ligh··· ...

Bricks that can withstand high temperatures above I580 °C are called refractory bricks. It is a finished product obtained by mixing refractory clay with clinker (calcined and pulverized clay), stirring, pressing and molding, drying and calcining. There are also silic··· ...

How to identify the quality of refractory fire bricks, the characteristics of refractory fire bricks produced by different refractory brick manufacturers are also different, in addition to different raw materials, how to quickly distinguish the quality and technology ··· ...

(1) Before laying furnace bricks, the dimensions and relevant elevations of each part of the masonry should be checked according to the center and elevation of the furnace(2) The masonry should be built with staggered joints, the mud in the masonry brick joints should··· ...

Fire resistant bricks. Refractory material fired from refractory clay or other refractory raw materials. Pale yellow or brownish. It is mainly used for building smelting furnaces and can withstand high temperatures of 1580℃-1770℃. A refractory material of a certain ··· ...