Chinese
Can lightweight refractory bricks be used as heavy refractory bricks?
  • Time:Jul 28, 2023
  • Views: 2

Lightweight refractory bricks and heavy refractory bricks have significant differences in composition and performance, so lightweight refractory bricks cannot directly replace heavy refractory bricks.

Lightweight refractory bricks are usually composed of lightweight aggregates (such as expanded perlite, vermiculite, etc.) and binders (such as high alumina cement). They have low density, good thermal insulation properties and low thermal conductivity. Lightweight refractory bricks are widely used in the insulation layer, heat insulation layer and flue of high temperature equipment.

Heavy refractory bricks are usually composed of high-density aggregates (such as kaolin, bentonite, etc.) and binders (such as silicate glue, water glass, etc.). They have high density, excellent mechanical strength and fire resistance, and are often used in parts subject to high temperature, high pressure and chemical erosion, such as metallurgical furnaces, glass kilns, and steel industry equipment.

Due to the low density of lightweight refractory bricks, their mechanical strength and fire resistance are relatively poor, and they cannot withstand severe conditions under heavy loads and high temperature environments. Therefore, using lightweight refractory bricks where heavy refractory bricks are required may cause the component to deform, crack or fail prematurely.

2

When selecting refractory bricks, the appropriate product should be selected according to the specific conditions of use and requirements. If you need to withstand harsh conditions such as high temperature, heavy load or chemical attack, you should choose heavy refractory bricks that meet the requirements instead of replacing them with lightweight refractory bricks.

Related products
More Products →

Dense structure

Refractoriness under load high

excellent chemical corrosion resistance

excellent thermal shock resistance

low density

good corrosion resistance

Refractoriness under load high

High temperature strength

related articles
more articles
2023.07.01
Heavy refractory bricks are a kind of high-quality refractory materials. The raw materials of heavy refractory bricks include clay, kaolin, magnesia,
2023.06.30
Heavy refractory brick is a high-density, high-strength refractory material, which is often used in the lining of high-temperature industrial equipmen
2023.06.29
Heavy refractory bricks are high-density, high-strength refractory bricks, mainly made of high alumina or magnesia alumina and other materials. It has
2023.06.28
Heavy refractory brick is a high-performance refractory material with high density and excellent refractory performance. According to different compon
2023.06.27
Heavy refractory brick is a high-temperature material. Heavy refractory brick is a high-performance and high-durability material, which is widely used
2023.06.26
Heavy refractory bricks and lightweight refractory bricks are two common high-temperature refractory materials. Heavy refractory bricks and lightweigh

Please leave us a message and look forward to knowing your thoughts

Products*

Want an immediate response?

You can consult online or write an email, We deal with your needs immediately

© Zhengzhou Zhenjin Refractory Materials Co.,Ltd.