Ceramic fiber felt
Application Industry: Ceramic Fiber Products
Application Equipment: High-Temperature Kiln Lining, Furnace Door, Furnace Roof, Expansion Joint Filler, and High Temperature Gasket
Size: Custom ceramic fiber felt geometry per high-temperature kiln design (free engineering on request)
Products Overview
Our Ceramic fiber felt is a high-performance refractory product engineered for high-temperature kiln lining, furnace door, furnace roof, expansion joint filler, and high temperature gasket service. This product is made from refractory fiber by adding suitable binders through wet suction vacuum molding process. It has good performance on excellent flexibility and elasticity, low thermal conductivity, good sound and heat insulation, and remarkable chemical stability. It can widely be applied for all high temperature kilns, furnaces, or used to fill the expansion joints, and used as high temperature gasket.
The Ceramic fiber felt product family is offered in five engineering-proven XWZ chemistry grades. The CH-XWZ40 grade features Aluminum silicate material with Al2O3 content 40-44% and Al2O3+SiO2 content minimum 95% 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 150-250 kg/m3, Heating Shrinkage maximum 1.5 percent after 800 °C drying for 24 hours, and General Size 600mm by 400mm by 20-100mm or 1000mm by 1500mm by 20-100mm. The CH-XWZ45 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 150-250 kg/m3, Heating Shrinkage maximum 1.5 percent after 1000 °C drying for 24 hours, and General Size 600mm by 400mm by 20-100mm or 1000mm by 1500mm by 20-100mm. The CH-XWZ48 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 150-250 kg/m3, Heating Shrinkage maximum 1.5 percent after 1100 °C drying for 24 hours, and General Size 600mm by 400mm by 20-100mm or 1000mm by 1500mm by 20-100mm. The CH-XWZ50 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 150-250 kg/m3, Heating Shrinkage maximum 1.5 percent after 1200 °C drying for 24 hours, and General Size 600mm by 400mm by 20-100mm or 1000mm by 1500mm by 20-100mm. The CH-XWZZ15 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 150-250 kg/m3, Heating Shrinkage maximum 1.5 percent after 1300 °C drying for 24 hours, and General Size 600mm by 400mm by 20-100mm or 1000mm by 1500mm by 20-100mm.
Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Ceramic fiber felt 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 from refractory fiber bulk by adding suitable binders through wet suction vacuum molding process
- Engineering-proven characterized with excellent flexibility and elasticity, low thermal conductivity, good sound and heat insulation, and remarkable chemical stability
- Five XWZ 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 95-98% with ZrO2 content minimum 15% in Zirconia contained grade for high temperature industrial kiln insulation service
- Multi-purpose heat insulation product, widely applied for all high temperature kilns, furnaces, expansion joint filler, and high temperature gasket
Product Specification
Ceramic fiber felt
This product is made from refractory fiber by adding suitable binders through wet suction vacuum molding process. It has good performance on excellent flexibility and elasticity, low thermal conductivity, good sound and heat insulation, and remarkable chemical stability. It can widely be applied for all high temperature kilns, furnaces, or used to fill the expansion joints, and used as high temperature gasket.
| Brands / Items | CH-XWZ40 | CH-XWZ45 | CH-XWZ48 | CH-XWZ50 | CH-XWZZ15 | |
|---|---|---|---|---|---|---|
| Material | Aluminum silicate | High alumina | Zirconia contained | |||
| Al2O3 (%) | 40-44 | 44-46 | 46-50 | 50-60 | 30-35 | |
| Al2O3 + SiO2 (%) | ≥95 | ≥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) | 150-250 | 150-250 | 150-250 | 150-250 | 150-250 | |
| Heating shrinkage (%) | ≤1.5 (800°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 × (20-100)mm 1000mm × 1500mm × (20-100)mm |
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Note: Nine performance parameters specified per source image: Material, Al2O3, Al2O3+SiO2, ZrO2, Fe2O3, Na2O+K2O, Service temperature, Volume density, Heating shrinkage, and General size. Five CH-XWZ and CH-XWZZ chemistry grades engineered for high-temperature kiln, furnace, and high temperature gasket insulation service. For project-specific chemistry and grade, contact CH Refractories engineering.
Product Applications
Environmental Friendly Taphole Clay is a refractory taphole mud manufactured from corundum, alumina-silica based materials, SiC, and coke, resin-bonded. The product family delivers good filling-up, easy installation, easy sintering, easy opening, low erosion, and excellent thermal-shock stability under the harsh Blast Furnace Taphole service environment.
Application Industry: Refractories for the Steel Industry and the broader Metallurgical Industry.
Target Equipment: Blast Furnace Taphole of small, medium-size, and large Blast Furnaces.
Specific Application Zones: The Environmental Friendly Taphole Clay is used for blocking the Blast Furnace taphole, ensuring stable and high production of the Blast Furnace while reducing environmental impact in the cast house. The resin-bonded chemistry with moisture content below 0.5 percent delivers improved environment in front of the furnace, supporting high-yield Blast Furnace operation and reducing the working intensity in front of the furnace.
CH Refractories is an Environmental Friendly Taphole Clay manufacturer in China, Henan, Zhengzhou. The complete Environmental Friendly Taphole Clay product 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 Refractories for the Steel Industry customers across the global iron and steel value chain.
