Ceramic fiber board
Application Industry: Ceramic Fiber Products
Application Equipment: Kiln, Furnace, Ceramic Kiln Fire Blocking, and Process Glass Mould
Size: Custom ceramic fiber board geometry per high-temperature kiln design (free engineering on request)
Products Overview
Our Ceramic fiber board is a high-performance refractory product engineered for kiln, furnace, ceramic kiln fire blocking, and process glass mould service. This product is made from refractory fiber by adding suitable binders through wet suction vacuum molding process. It has good performance on size, roughness, and radian, and has the characteristics on high strength, low thermal conductivity, good thermal shock resistance and spalling resistance. It can be easily cut and installed, and can widely be used for kiln, furnace, and other high temperature equipment.
The Ceramic fiber board product family is offered in five engineering-proven XWK chemistry grades. The CH-XWK40 grade features Aluminum silicate material with Al2O3 content 40-44% and Al2O3+SiO2 content minimum 94% for general high-temperature kiln insulation service, with Fe2O3 content maximum 1.2 percent, Na2O+K2O content maximum 0.5 percent, Service Temperature maximum 1000 °C, Volume Density 200-600 kg/m3, Thermal Conductivity maximum 0.14 W/m.k at 600 °C and maximum 0.18 W/m.k at 800 °C, Heating Shrinkage maximum 1.5 percent after 900 °C drying for 24 hours, and General Size 600mm by 400mm by 10-50mm or 900mm by 600mm by 10-50mm. The CH-XWK45 grade features Aluminum silicate material with Al2O3 content 44-46% and Al2O3+SiO2 content minimum 97% for higher-demand high-temperature kiln insulation service, with Fe2O3 content maximum 1.0 percent, Na2O+K2O content maximum 0.5 percent, Service Temperature maximum 1000 °C, Volume Density 200-600 kg/m3, Thermal Conductivity maximum 0.14 W/m.k at 600 °C and maximum 0.18 W/m.k at 800 °C, Heating Shrinkage maximum 1.5 percent after 1000 °C drying for 24 hours, and General Size 600mm by 400mm by 10-50mm or 900mm by 600mm by 10-50mm. The CH-XWK48 grade features Aluminum silicate material with Al2O3 content 46-50% and Al2O3+SiO2 content minimum 98% for high-demand high-temperature kiln insulation service, with Fe2O3 content maximum 0.8 percent, Na2O+K2O content maximum 0.2 percent, Service Temperature maximum 1100 °C, Volume Density 200-600 kg/m3, Thermal Conductivity maximum 0.18 W/m.k at 800 °C and maximum 0.22 W/m.k at 1000 °C, Heating Shrinkage maximum 1.5 percent after 1100 °C drying for 24 hours, and General Size 600mm by 400mm by 10-50mm or 900mm by 600mm by 10-50mm. The CH-XWK50 grade features High alumina material with Al2O3 content 50-60% and Al2O3+SiO2 content minimum 98% for higher-demand high-temperature kiln insulation service, with Fe2O3 content maximum 0.5 percent, Na2O+K2O content maximum 0.2 percent, Service Temperature maximum 1200 °C, Volume Density 200-600 kg/m3, Thermal Conductivity maximum 0.18 W/m.k at 800 °C and maximum 0.22 W/m.k at 1000 °C, Heating Shrinkage maximum 1.5 percent after 1200 °C drying for 24 hours, and General Size 600mm by 400mm by 10-50mm or 900mm by 600mm by 10-50mm. The CH-XWKZ15 grade features Zirconia contained material with Al2O3 content 30-35% and Al2O3+SiO2+ZrO2 content minimum 98% for highest-demand high-temperature kiln insulation service, with ZrO2 content minimum 15%, Fe2O3 content maximum 0.5 percent, Na2O+K2O content maximum 0.2 percent, Service Temperature maximum 1350 °C, Volume Density 200-600 kg/m3, Thermal Conductivity maximum 0.18 W/m.k at 1000 °C and maximum 0.28 W/m.k at 1200 °C, Heating Shrinkage maximum 1.5 percent after 1300 °C drying for 24 hours, and General Size 600mm by 400mm by 10-50mm or 900mm by 600mm by 10-50mm.
Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Ceramic fiber board grade is engineered to ASTM, GB/T, and ISO refractory standards. For an overview of the broader catalogue, see the Ceramic Fiber Products category, or contact our technical sales team for a free consultation against your refractory drawing.
Product Features
Features:
- Manufactured by Zhengzhou caihua from refractory fiber by adding suitable binders through wet suction vacuum molding process
- Engineering-proven characterized with size precision, good roughness, designable radian, high strength, low thermal conductivity, good thermal shock resistance, and spalling resistance
- Five XWK chemistry grades covering Al2O3 content 30-60% and Service Temperature 1000 to 1350 °C for matching different high-temperature kiln insulation service requirements
- Al2O3+SiO2 content minimum 94-98% with ZrO2 content minimum 15% in Zirconia contained grade for high temperature industrial kiln insulation service
- Multi-purpose product, easily cut and installed, widely used for kiln surrounding and bottom back-up insulation, ceramic kiln fire blocking, and process glass mould
Product Specification
Ceramic fiber board
This product is made from refractory fiber by adding suitable binders through wet suction vacuum molding process. It has good performance on size, roughness, and radian, and has the characteristics on high strength, low thermal conductivity, good thermal shock resistance and spalling resistance. It can be easily cut and installed, and can widely be used for kiln, furnace, and other high temperature equipment.
| Brands / Items | CH-XWK40 | CH-XWK45 | CH-XWK48 | CH-XWK50 | CH-XWKZ15 | |
|---|---|---|---|---|---|---|
| Material | Aluminum silicate | High alumina | Zirconia contained | |||
| Al2O3 (%) | 40-44 | 44-46 | 46-50 | 50-60 | 30-35 | |
| Al2O3 + SiO2 (%) | ≥94 | ≥97 | ≥98 | ≥98 | ≥98(+ZrO2) | |
| ZrO2 (%) | – | – | – | – | ≥15 | |
| Fe2O3 (%) | ≤1.2 | ≤1.0 | ≤0.8 | ≤0.5 | ≤0.5 | |
| Na2O+K2O (%) | ≤0.5 | ≤0.5 | ≤0.2 | ≤0.2 | ≤0.2 | |
| Service temperature (°C) | ≤1000 | ≤1000 | ≤1100 | ≤1200 | ≤1350 | |
| Volume density (kg/m³) | 200-600 | 200-600 | 200-600 | 200-600 | 200-600 | |
| Thermal conductivity | ≤0.14 (600°C) ≤0.18 (800°C) |
≤0.14 (600°C) ≤0.18 (800°C) |
≤0.18 (800°C) ≤0.22 (1000°C) |
≤0.18 (800°C) ≤0.22 (1000°C) |
≤0.18 (1000°C) ≤0.28 (1200°C) |
|
| Heating shrinkage (%) | ≤1.5 (900°C, 24h) |
≤1.5 (1000°C, 24h) |
≤1.5 (1100°C, 24h) |
≤1.5 (1200°C, 24h) |
≤1.5 (1300°C, 24h) |
|
| General size | 600mm × 400mm × (10-50)mm 900mm × 600mm × (10-50)mm |
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Note: Ten performance parameters specified per source image: Material, Al2O3, Al2O3+SiO2, ZrO2, Fe2O3, Na2O+K2O, Service temperature, Volume density, Thermal conductivity, Heating shrinkage, and General size. Five CH-XWK and CH-XWKZ chemistry grades engineered for high temperature equipment. For project-specific chemistry and grade, contact CH Refractories engineering.
Product Applications
Ceramic fiber board is a high-performance refractory product engineered for kiln, furnace, ceramic kiln fire blocking, and process glass mould service. This product is made from refractory fiber by adding suitable binders through wet suction vacuum molding process. It has good performance on size, roughness, and radian, and has the characteristics on high strength, low thermal conductivity, good thermal shock resistance and spalling resistance. The ceramic fiber board product family can be easily cut and installed, and is widely used for kiln, furnace, and other high temperature equipment, with stable quality and good engineering performance.
Application Industry: Ceramic Fiber Products.
Target Equipment: Kiln, Furnace, Ceramic Kiln Fire Blocking, and Process Glass Mould of small, medium-size, and large industrial operations across the global ceramic fiber value chain.
Specific Application Zones: The CH-XWK40 grade (Aluminum silicate material with Al2O3 content 40-44%) is the standard variant engineered for general high-temperature kiln insulation service, with Service Temperature maximum 1000 °C, Volume Density 200-600 kg/m3, and Heating Shrinkage maximum 1.5 percent after 900 °C drying for 24 hours. The CH-XWK45 grade (Aluminum silicate material with Al2O3 content 44-46%) is the higher-demand variant engineered for high-temperature kiln insulation service, with Service Temperature maximum 1000 °C, Volume Density 200-600 kg/m3, and Heating Shrinkage maximum 1.5 percent after 1000 °C drying for 24 hours. The CH-XWK48 grade (Aluminum silicate material with Al2O3 content 46-50%) is the high-demand variant engineered for high-temperature kiln insulation service, with Service Temperature maximum 1100 °C, Volume Density 200-600 kg/m3, and Heating Shrinkage maximum 1.5 percent after 1100 °C drying for 24 hours. The CH-XWK50 grade (High alumina material with Al2O3 content 50-60%) is the higher-demand variant engineered for high-temperature kiln insulation service, with Service Temperature maximum 1200 °C, Volume Density 200-600 kg/m3, and Heating Shrinkage maximum 1.5 percent after 1200 °C drying for 24 hours. The CH-XWKZ15 grade (Zirconia contained material with Al2O3 content 30-35% and ZrO2 content minimum 15%) is the premium variant engineered for highest-temperature kiln insulation service, with Service Temperature maximum 1350 °C, Volume Density 200-600 kg/m3, and Heating Shrinkage maximum 1.5 percent after 1300 °C drying for 24 hours. All five grades deliver General Size 600mm by 400mm by 10-50mm or 900mm by 600mm by 10-50mm for kiln surrounding and bottom back-up insulation, ceramic kiln fire blocking, and process glass mould service, with stable quality and good engineering performance across the global ceramic fiber value chain.
CH Refractories is a Ceramic fiber board manufacturer in China, Henan, Zhengzhou. The complete Ceramic fiber board product family is manufactured in our Xinmi City, Zhengzhou, Henan, China facility to ASTM, GB/T, and ISO refractory standards. Each batch is supported by free consultation, on-site technical support, and a dedicated engineering team serving Ceramic Fiber Products customers across the global ceramic fiber value chain.
