Product Overview
Engineered for scenarios where resilience meets precision, our Ceramic Fiber Board is a vacuum-formed refractory material designed to excel in high-velocity and abrasive thermal environments. By processing high-purity alumina-silica fibers into a rigid yet lightweight structure, it achieves an optimal balance of low thermal conductivity and robust physical integrity. This makes it an indispensable component for furnace linings, boiler ducts, and stacks where durability and energy efficiency are critical.
Technical data
| Item |
Common |
Standard |
H Pure |
H Alumina |
Zirconium |
| AL2O3(%) |
44 |
46 |
47-50 |
52-55 |
39-40 |
| Fe2O3(%) |
1.2 |
1.0 |
0.2 |
0.2 |
0.2 |
| ZrO2(%) |
- |
- |
- |
- |
15-19 |
| Classification Temperature (℃) |
1100 |
1260 |
1260 |
1360 |
1430 |
| Working Temperature (℃) |
1000 |
1050 |
1100 |
1200 |
1350 |
| Density (kg/m3) |
260/320 |
260/320 |
260/320 |
260/320 |
260/320 |
| Permanent linear shrinkage(%)(after24 hours,density 128kg/m3) |
-4 (1000°C) |
-3 (1000°C) |
-3 (1100°C) |
-3 (1250°C) |
-3 (1350°C) |
| Tensile strength (Mpa) density128kg/m3) |
0.08-0.12 |
0.08-0.12 |
0.08-0.12 |
0.08-0.12 |
0.08-0.12 |
Key Advantages for Your Application
- Superior Erosion & Velocity Resistance: Outperforms blanket products in high-gas-velocity applications, providing a durable hot-face layer that stands up to challenging furnace atmospheres.
- Maximized Thermal Efficiency: Exceptionally low thermal conductivity and minimal heat storage translate directly to reduced fuel costs and shorter process cycle times.
- Lightweight Structural Design: Its low density allows it to replace heavier backup insulation, simplifying support structures and lowering overall construction costs.
- Precision & Versatility: Easy to cut and shape with standard tools, facilitating custom fits for complex geometries and ensuring rapid installation.
- Broad Chemical Compatibility: Exhibits strong resistance to most chemical attacks and provides an effective barrier against molten non-ferrous metals like aluminum.
Primary Industrial Applications
- Hot-Face & Backup Linings: For walls, roofs, and doors in industrial furnaces, especially where gas velocities are high.
- Critical Process Equipment: As combustion chamber liners, and for insulation in boilers, heaters, and heat recovery systems.
- Metal Handling & Safety: Used in transfer systems for molten aluminum and other non-ferrous metals, and as effective flame or heat barriers.
- Infrastructure & Joints: Ideal for expansion joint packing and insulating stacks or ducts in demanding environments.
Why Our Board is the Smarter Choice
We go beyond basic insulation. By offering a spectrum of grades from Common to Zirconium, we provide targeted solutions that enhance equipment lifespan, minimize maintenance downtime, and deliver measurable energy savings. Its rigid form factor and consistent quality ensure predictable performance and easier engineering integration than fibrous alternatives.