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The permanent layer castable is a high-performance refractory material made through strict processes. It uses high-quality raw materials and undergoes multiple processes such as high-temperature calcination, crushing, screening, and grinding to ensure that its quality and performance meet the standards. In the batching process, a reasonable aggregate particle size ratio is carried out, and imported high-temperature resistant binders, zircon powder, beryl powder, anti-cracking agents, and anti-seepage agents are added, and the mixture is made by fully mixing. These steps and material selections make the permanent layer castable have better performance in terms of refractoriness, slag resistance, erosion resistance, and thermal shock resistance.
A refractory material mainly used in kiln transfer bags in the steel industry. In this scenario, it exhibits many excellent characteristics: resistance to erosion by molten steel and molten iron, strong resistance to extreme cold and heat, high softness, strong impact resistance, high load softening temperature, high high-temperature compressive strength, high high-temperature flexural strength, good slag resistance, etc. Therefore, it is widely used in various large and small transfer ladles such as molten iron ladles, ferrosilicon ladles, tundishes, and linings of spheroidizing ladles.
The excellent performance and reliability of permanent layer castables provide important support and guarantee for the steel industry. Its fire resistance and corrosion resistance can effectively extend the service life of the transfer ladle and reduce production interruptions and losses caused by damage to refractory materials. At the same time, its excellent thermal properties and stability help to improve the production efficiency and working stability of the kiln and reduce energy consumption and production costs.
In general, permanent layer castables, as an important refractory material, play an irreplaceable role in the steel industry. Its excellent performance and reliable quality provide strong support for the production process and promote the development and progress of the steel industry.
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