Alumina foam bricks produced by Zhengzhou Rongsheng Kiln Refractory Materials Co., Ltd. are high-performance thermal insulation materials designed specifically for high-temperature industrial environments. Made from high-quality bauxite and refined through a melt-blown foaming process, they offer low thermal conductivity, high mechanical strength, and excellent corrosion resistance, effectively reducing heat loss and improving energy efficiency. These products, certified by multiple international certifications including ISO9001, ISO14001, and CE, offer stable and reliable quality and are widely used in furnace linings, boiler insulation, and heating furnace linings for high-temperature equipment in steel mills, power plants, petrochemical plants, and other applications. With the trust of over 2,000 global customers, Rongsheng not only provides high-quality products but also offers customized solutions to meet diverse operating requirements, helping customers achieve safe operation and sustainable energy savings.
1. Low thermal conductivity (≤0.12W/m·K), significantly reducing energy consumption.
2. Strong thermal shock resistance and adaptability to frequent temperature changes.
3. Strong corrosion resistance, suitable for acidic and alkaline environments.
4. Uniform density, stable size and easy construction.
5. International certification guarantee, in line with European, American and Asian market access standards.
It is suitable for thermal insulation lining of high-temperature kilns, heating furnaces, boilers, flues and other parts in industries such as steel metallurgy, power generation, petrochemicals, and building materials manufacturing. It is aimed at global industrial customers and is especially suitable for buyers with high requirements for energy saving, consumption reduction and long-term stability.