Language: Chinese line English

Company News

Characteristics of Refractory Brick

Refractory brick is made of refractory clay or other refractory raw materials, it is in color light yellow or brown.
Refractory brick is a kind of refractory materials with a certain shape and size. According to manufacture methods, it can be divided into sintering brick, non-sintering brick, fused cast brick, and refractory insulating brick; according to shape and size, it can be divided into standard brick, common brick, and special shape brick.
Refractory bricks can be used as furnace building material and structural material for building furnaces and various thermal equipments, and it can withstand various physical and chemical changes and mechanical effects at very high temperatures. For example, refractory clay brick, high alumina brick, alumina carbon brick, magnesia brick, etc. Refractory brick is one of the most widely used products in refractories, and do you know its characteristics?
1. Chemical composition: The main components determine refractory bricks quality and characteristics.
2. Bulk density: Two refractory bricks in the same volume weight, if ones density is higher, it shows that its compactness is good, it has strong strength, and it has higher the thermal conductivity.
3. Apparent porosity: Generally there is no strict requirement for apparent porosity, but refractory brick manufacturers must strictly control the apparent porosity.
4. Refractoriness under load: It is also called high temperature load to deformation temperature, this parameter is very important; it stands for the bricks resistance to high temperature.
5. Thermal shock resistance: Keeping brick unchanged optic fiber when rapid temperature changes happen.
6. Compressive strength: Ability of bearing the maximum pressure (normal temperature).
7. Flexural strength: Ability to withstand shear stress.
8. Linear change rate: It is also called reheating linear change or residual line change, referring to refractory brick quality mad


Tel: +86-15225115555


Add: Caogou Industry Zone,Yichuan County,Luoyang.China