Clay bricks are acidic and shaped products, and the color and weight should be considered when purchasing; the aluminum content, pores, and strength should be checked for testing, which is the standard for purchasing. Because the color, size, and weight are all recognizable at the moment. But the chemical and physical indicators can only be known after inspection.
Clay bricks are high-grade products of heavy shaped products. At present, the market is mixed because of different regions, because it in different places will have different fineness due to local raw materials. Some colors are red, and there are black spots on the surface of clay fire bricks due to impurities; some colors are dark red, but have low porosity and low strength; others are dark red, with many black spots on the brick surface, high porosity, and low strength.
Due to the characteristics of raw materials, some clay bricks are yellow-red or yellow-white in color, heavy in weight and high in strength;
In terms of aluminum content alone, some fireclay brick have high aluminum content, high strength, and beautiful colors. There are also cases where the local raw materials contain burnt gems, so the porosity is low, but the strength is not high, the weight is light and the body density is low.
From a price point of view, the prices of clay bricks in various regions are different. The quality of clay refractory bricks cannot be determined by price. The selection of clay refractory bricks must be determined according to the needs of the furnace lining. The selection of clay refractory bricks cannot be determined by price. standard.
The raw materials and prices of clay refractory bricks vary from place to place, so you should choose according to the conditions of the parts to be used.
