Manufactured by Zhengzhou Rongsheng Refractory Materials Co., Ltd., our Polycrystalline Mullite Fiber Board delivers exceptional thermal insulation with a low thermal conductivity of just 0.085 W/m·K and a maximum service temperature up to 1800°C. Made from high-purity Al₂O₃ and SiO₂ raw materials, this lightweight, easy-to-install refractory board is ideal for industrial applications such as casting, steelmaking, and petrochemical furnaces. Certified under ISO9001 and CE standards, it ensures global compliance and reliability. We offer comprehensive on-site installation support worldwide to help clients reduce energy consumption, improve operational safety, and extend equipment lifespan.
1. Ultra-low thermal conductivity (0.085 W/m·K) for superior energy savings. 2. Highest continuous use temperature at 1800°C—ideal for extreme environments. 3. Lightweight and flexible design allows easy cutting, handling, and installation. 4. CE and ISO9001 certified for international quality assurance. 5. Customizable thickness from 3mm to 100mm to meet specific project needs. 6. Global on-site technical support ensures proper installation and long-term performance.
Ideal for industrial sectors including metallurgy, foundry, cement kilns, petrochemical reactors, and glass manufacturing. Serves OEMs, engineering contractors, and facility managers in Europe, North America, Asia, and the Middle East seeking efficient, certified refractory solutions with reliable installation assistance.
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