Publish Time: 2022-08-09 Origin: Site
Refractory bricks and insulation bricks are distinguished from these points and the answers are as follows: Insulation bricks are a new type of building material synthesized by polymer materials. It is a material whose main functions are thermal insulation, reducing heat loss and thereby improving thermal efficiency. It is a scientific and efficient energy-saving technology. Refractory materials are generally divided into two types, namely unshaped refractory materials and shaped refractory materials. Unshaped refractory materials, also called castables, are mixed powdery particles composed of a variety of aggregates or aggregates and one or more binders. Shaped refractory materials generally refer to refractory bricks. Their shapes have standardized rules, and they can also be temporarily processed during construction and cutting according to needs.
However, if refractory materials are further subdivided, they can be divided into high-alumina refractory bricks, clay refractory bricks, and lightweight insulation bricks. In fact, insulation bricks are also within the scope of refractory bricks. Although they belong to the same series, there are still big differences between refractory bricks and insulation bricks. Tomorrow, the editor will analyze the differences between refractory bricks and insulation bricks from the following aspects:
1. Density:
As a thermal insulation material, the general density of insulating bricks is around 0.8-10a/cm3, but refractory bricks, as fireproof materials, have higher density requirements. The greater the density of dry refractory bricks, it means that the density is good and the strength can be high. Most of the density of refractory bricks is basically above 2.0g/cm3.
2. Fire resistance:
The main function of insulation bricks is to maintain heat. Although they have a certain degree of fire resistance, their fire resistance is still inferior to that of refractory bricks. The fire resistance of insulation bricks is generally below 1400 degrees. But refractory bricks are different. As a refractory material, refractory bricks have a fire-resistant level that is unmatched by insulating bricks. The refractory bricks' fire-resistant performance can achieve the effect of smoldering to non-combustibility, because the refractory bricks' refractory degree is above 1400 degrees!
3. Insulation function:
The thermal conductivity of lightweight insulation bricks is generally 0.2-0.4 (average temperature 350±25℃w/mk), while the thermal conductivity of refractory bricks is 1.0 (average temperature 350±25℃) w/mk or above, it can be concluded that the insulation performance of insulation bricks is much better than that of refractory bricks.
Insulation bricks and refractory bricks belong to the same series, but they have their own advantages in performance and convenience, so they must be weighed when choosing.