// SPEC · Ceramic Fiber
Polycrystalline Alumina Fiber Rigid Board Al2O3 95% 1600°C
Al2O3 95% polycrystalline alumina rigid board for 1600°C service; high compressive strength and dimensional stability for glass furnace superstructure panels, vacuum furnace hot zones, and kiln furniture.
// Key Features
- Rigid self-supporting form providing structural load-bearing capability at 1600°C
- Machinable to precise tolerances for custom-fit furnace components and panels
- High refractoriness with stable polycrystalline alumina phase under prolonged thermal load
- Excellent resistance to chemical attack from alkaline vapors, acid gases, and molten glass
// Technical Specifications
| Al2O3 (%) | 95 |
| Melting Point (°C) | 2050 |
| Fiber Diameter (μm) | 5–10 |
| Max Service Temp (°C) | 1600 |
| Tensile Strength (MPa) | 2.5 |
// Applications
Glass tank furnace superstructure and crown panel constructionKiln car superstructure decking for heavy ceramic load firingVacuum furnace hot zone structural wall and ceiling panelsElectric arc furnace roof insulation board assemblyHigh-temperature industrial furnace observation port surrounds
// Quick Specs
Max Temperature1600°C
Thermal Conductivity0.30 W/(m·K) at 1000°C
Density300–400 kg/m³
StandardGB/T 17393
// Get Pricing
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