Zhengzhou Rongsheng Refractory Materials Co., Ltd. professionally develops and produces polycrystalline mullite fiberboard, made from a high-purity Al₂O₃ and SiO₂ composite using advanced processing. This board exhibits excellent high-temperature insulation performance (maximum operating temperature up to 1800°C) and a thermal conductivity as low as 0.085 W/m·K, significantly outperforming traditional insulation materials. Its lightweight, easy installation, energy-saving, and environmentally friendly properties make it widely used in high-temperature equipment lining applications in foundries, metallurgy, petrochemicals, and other fields, effectively reducing energy consumption and operating costs. Certified by the ISO9001 quality management system and CE certification, it complies with international standards and offers global after-sales technical support and on-site installation guidance, making it a reliable industrial-grade high-temperature insulation solution.
1. Thermal conductivity as low as 0.085 W/m·K, achieving industry-leading insulation efficiency. 2. High temperature resistance up to 1800°C, suitable for use in extreme high-temperature environments. 3. Customizable thicknesses ranging from 3–100mm, offering flexible adaptation to diverse operating requirements. 4. Lightweight and environmentally friendly, it reduces structural loads and improves energy efficiency. 5. ISO9001 and CE certified, ensuring stable and reliable quality that meets international export standards.
It is suitable for thermal insulation projects of high-temperature industrial equipment such as foundries, steel smelting, glass kilns, ceramic sintering, chemical reactors, etc. It is especially suitable for overseas market customers with strict requirements on energy saving and consumption reduction, such as manufacturing enterprises in Europe, America, the Middle East, Southeast Asia and other regions.
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