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What are the properties of insulating fire brick?
  • Time:May 16, 2023
  • Views: 1

Insulating fire brick, also known as lightweight fire brick, is a type of refractory material with low density and good insulation properties. Its main properties are as follows:
1.Low thermal conductivity
Insulating fire brick has excellent thermal insulation properties due to its low thermal conductivity, which can range from 0.1-0.5 W/m·K. This makes it suitable for use in high-temperature applications where heat loss must be minimized.
2.High porosity
Insulating fire brick has a high porosity, usually between 50-85%, which contributes to its low density and good insulation performance.
3.Lightweight
Due to its low density, insulating fire brick is lightweight, making it easy to handle and install.
4.Good thermal stability
Insulating fire brick can withstand high temperatures up to around 1650°C, making it suitable for use in various high-temperature industrial applications.

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5.Chemical stability
Insulating fire brick has good chemical stability and is resistant to corrosion by acids, alkalis, and other chemicals.
6.Low heat storage capacity
Insulating fire brick has a low heat storage capacity, which means that it quickly reaches thermal equilibrium with the surrounding environment and does not retain heat.
In summary, insulating fire brick is a type of refractory material with excellent thermal insulation properties, high porosity, and low density. It is widely used in various high-temperature industrial applications, such as furnaces, kilns, boilers, and incinerators, to provide effective thermal insulation and reduce energy consumption.

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Dense structure

Refractoriness under load high

Refractoriness under load high

High temperature strength

Chromium-free

Environmentally friendly

low density

good corrosion resistance

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