Refractory
High Aluminum Refractory Castable
High Aluminum Refractory Castable
High aluminum refractory castable is a kind of refractory material, which is used in a variety of industrial processes.high aluminum refractory castable This type of refractory is commonly used in boilers, furnaces, and heat treatment furnaces. These materials have excellent thermal shock resistance and mechanical strength. They are also widely used in a range of industries, including the steel industry. The most common uses of these materials are in the heating and cooling system of furnaces and in power plants.
These refractories have a variety of properties that are dependent on the mineral composition. The mineral's Al2O3 content affects various properties, such as the flexural strength and thermal shock resistance of the refractory. A higher content of Al2O3 gives a stronger flexural strength and improved thermal shock resistance. The flexural strength is also influenced by the production technology and the chemical composition of the minerals. The flexural strength is improved with the use of high-quality binders and the high-temperature sintering of the product.
In addition, the alumina content of the refractory has a huge impact on the durability and early strength of the material. A high alumina content of the cement increases the durability, but the later strength of the product may be reduced. It is therefore necessary to choose the appropriate alumina content of the refractory cement. The low alumina content of the refractory reduces the amount of slag that may be generated after curing. This improves the fire resistance and slag resistance of the refractory.
These refractory products are usually made by using the combination of alumina cement, silica fume, and an aggregate, such as high bauxite. The most common SK series of low-cement and high-aluminum refractory is SK30, SK32, SK34, SK35, SK36, SK37, SK38, and SK40. These refractories are different from conventional refractory castables.
The density of high aluminum refractory castable is 2.5-2.8. The density of a refractory can be characterized by the bulk density, which is the ratio of the dry mass to the total volume. The density of a high alumina refractory is related to the mineral composition and porosity. In addition, the bulk density of a refractory is a strong indicator of the compactness of the refractory.
The flexural strength of a high alumina refractory can be affected by its mineral content and the production technology. The flexural strength of a refractory can be improved by the use of high-purity raw materials, such as alumina, and by the use of high-quality binders. A high-temperature sintering of a high alumina refractory will increase the flexural strength and thermal shock resistance.
The abrasion resistance of a high alumina refractory castable is very good. The abrasion resistance of a refractory depends on the strength of the alumina and the degree of the sintering of the material. A high alumina refractory has a high abrasion resistance because of its fine particle size and the fact that it adopts alumina as the primary abrasive agent. This abrasion resistance is a very important feature for a refractory because it can be extremely difficult to make the material work at high temperatures.
0users like this.
