- Time:Apr 21, 2023
There are many kinds of firebricks, different manufacturers of firebricks types are not the same, the quality is also uneven, so is there a way to distinguish the quality of firebricks? The following is to introduce some common firebricks quality identification methods.
1. Appearance inspection
Appearance is the first step to judge the quality of firebrick. Attention should be paid to observe whether the surface of firebrick is smooth and smooth, and whether there are cracks, pockmarked surface or color difference. If the above problems are found during purchase or use, it may mean that the firebrick is of poor quality.
2. Density check
In general, high quality firebricks have a higher density, and light firebricks tend to have pores or loose areas. Can be measured by weighing and size measurement and other ways to test whether the fire density is qualified.
3, compressive strength check
Compressive strength is one of the key indexes to evaluate the performance of firebrick, and also an important basis to judge the quality of firebrick. Generally speaking, the compressive strength of firebricks produced by regular manufacturers should meet national standards, which can be tested by laboratory testing and other methods.
4, slag corrosion resistance inspection
refractory brick is mainly used in high temperature smelting and chemical reaction, so its slag corrosion resistance is one of the important indexes to judge the quality. The slag corrosion resistance of refractory brick can be tested by laboratory test.
In short, in the purchase and use of firebrick, attention should be paid to the selection of regular manufacturers, in line with the national standards of the product, and combined with the above discrimination methods for evaluation, to ensure the use of safety and durability.
