Ceramic Fiber Board, also known as alumina-silica fiber board,is a high-performance refractory material engineered for extreme-temperature environments. Composed primarily of ceramic fibers derived from alumina (Al₂O₃), silica (SiO₂), and zirconia (ZrO₂), it is formed through a precise vacuum molding process where fibers are combined with inorganic binders like silicon sol or iron sol. This results in a rigid, lightweight board with exceptional mechanical strength, even after prolonged exposure to heat . Unlike flexible alternatives like ceramic fiber blankets or felts, ceramic fiberboard offers structural support and dimensional stability, making it ideal for applications requiring load-bearing capabilities or resistance to thermal shock and mechanical stress.
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1. High-Temperature Resistance
Withstands continuous heat from °C to °C, and up to °C for zirconia ceramic fiberboard. Maintains shape under extreme heat, outperforming standard refractory bricks.
2. Low Thermal Conductivity
Delivers superior insulation with values as low as 0.05 W/(m·K), helping reduce heat loss and save energy in kilns, industrial ovens, and furnaces.
3. Lightweight & Easy to Install
Much lighter than traditional refractories (200– kg/m³). Easy to cut and shape for custom lining in boilers, combustion chambers, or pipeline insulation.
4. Strong & Durable
Withstands up to 20 MPa of mechanical stress. Resistant to corrosion from acids, alkalis, and molten metals like aluminum or copper. Ideal for chemical plants and foundries.
5. Additional Advantages
Low heat storage: Improves thermal efficiency during heating/cooling cycles.
Sound-absorbing: Reduces noise in industrial systems.
Asbestos-free: Safe, non-toxic, and eco-friendly.
Henan Jianhong Refractory Materials Co., Ltd. is your trusted partner for high-performance ceramic fiber insulation solutions. Backed by over 20 years of industry expertise, we specialize in delivering ceramic fiber products engineered to withstand extreme temperatures and harsh industrial conditions.
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Our commitment to precision manufacturing, strict quality control, and fully customizable services ensures every product meets the highest international standards. Whether you’re operating a steel plant, cement kiln, or high-temperature system, we help you achieve maximum thermal efficiency and operational safety.
Partner with us and experience the difference of working with a professional supplier known for product consistency, on-time delivery, and unwavering customer support.
Ready to elevate your operations?
Contact Henan Jianhong Refractory Materials today—let us be your reliable source for durable, high-performance refractory solutions.
Aluminum Silicate Ceramic Fiber Board, Heat Resistant Fiber Board, Kiln Inner Wall Lining with Refractory Material 1pc(20CMX20CMX40MM)
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