The performance between low porosity clay brick and clay brick

Clay brick is made by clay clinker and soft clay as a bond aluminum content of 30-48% stereotyped refractory. The particle composition of clay brick is generally more coarse and fine particles, and less medium particles, which ensures the strength of the brick and improves the thermal shock stability.

The low porosity clay brick is based on the clay brick raw materials, and adding a certain proportion of coke gems to adjust the porosity to ensure the density and corrosion resistance. Low porosity clay brick has lower porosity and higher density, and has significantly improved the compressive strength, durability and thermal insulation performance than clay brick. Low porosity brick has higher compressive strength and can withstand external pressure better. Because of its low porosity structure has higher density, it is better in durability and fatigue resistance.

In the production process, low-porosity bricks and clay bricks are basically the same, but in the process ratio of more coke gem components, in the forming process is the same, but raw material selection and firing molding, raw material selection is more strict, after adding coke gem raw materials, the sintering temperature is slightly increased.

Low porosity clay bricks are mainly used in erosive environments, such as glass kiln heat storage chamber with large usage and obvious use effect; Clay bricks are widely used in the permanent layer of all furnace linings, and can also be used in flue and weakly acidic environments. If the two kinds of refractory bricks are to be compared from the use of low-porosity clay bricks can be used in higher requirements of the furnace lining, clay bricks can be used in ordinary parts. If only from the quality point of view, low porosity bricks than ordinary clay bricks durable, better quality.