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What are the physical characteristics of insulating fire brick?

Views: 2     Author: Site Editor     Publish Time: 2021-10-02      Origin: Site


Insulating fire brick is to have heat insulation effect of building top namely and the heat insulation material of the brick form that lays in building top, it is one of the materials that often uses at heat insulation of building top in a modern building. Insulating fire brick with the regular shape of thermal insulation products. Let's introduce the physical properties of the insulating fire brick.

 

Here is the content list:

  • The role of insulating fire brick

  • Physical properties of insulating fire brick

  • The method of choosing insulating fire brick

 

The role of insulating fire brick

  1. The insulating fire brick has excellent heat insulation performance, and is used for the heat insulation and heat preservation engineering of the inside and outside roof of the building surface, inside and outside wall, slope top building foundation.

  2. Insulating fire brick in summer can effectively prevent the thermal radiation of the sun, in winter can prevent indoor heat spread outside. At the same time, the insulating fire brick can improve the working and living environment on the top floor and inside the building.

  3. After using building base insulating fire brick material, be in normally midsummer when hot, the difference in temperature of the surface of a roof inside and outside reaches the largest 20℃ above. Insulating fire brick has obvious thermal insulation and energy-saving effect of air conditioning.

  4. Insulating fire brick has the adornment effect of beautification environment at the same time, the surface is clean and bright, can assemble a different design color.

  5. Because the floor is attached with this kind of thermal insulation protective layer of flexural, compressive, heat insulation and waterproof superior performance, the floor has avoided the crack caused by the sun exposure, and the insulating fire brick can effectively solve the problems of the floor heat insulation and water leakage.

 Insulating Fire Brick


Physical properties of insulating fire brick

  1. Low thermal conductivity, excellent heat insulation effect, make the furnace wall thickness thin.

  2. Low heat capacity, light weight and low thermal conductivity, less heat storage inside the brick, energy saving effect is very obvious in an intermittent kiln.

  3. Low impurity content, low iron and impurity content, high fire resistance, even in reducing atmosphere can still maintain good performance.

  4. Exact dimensions, Aesop light refractory and insulating fire brick processing precision is high, masonry brick seam is consistent.

  5. High flexural and compressive strength, good thermal shock resistance, easy to construct and deep processing.

 

The method of choosing insulating fire brick

According to the physical characteristics of insulating fire brick, which selection can be simply judged by watching, listening and stepping on, and the specific methods are:

Watching

High grade insulating fire brick is exterior proof not only, clean, the material of the reverse side also is level off, clean. Normally speaking, the back side of inferior insulating fire brick is coarse and unbearable.

Listening

Material of exterior of good insulating fire brick has closed performance, water absorption is very poor, can be exactly so the surface of insulating fire brick has permeable air hole rarely.

Stepping on

High quality insulating fire brick due to the use of cement sand is relatively clean, so the high-quality insulating fire brick is stronger, and unlike inferior insulating fire brick, because the impurities inside are too much, so often very brittle, very easy to damage.

 

Light insulating fire brick's porosity is high, volume is dense small, thermal conductivity is low, but heat insulation performance is good. Some high-grade light insulating fire brick can be directly used as a working layer.


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