Ceramic fiber board is aluminum silicate fiber board, a board made of refractory material.
Alternate Name: Aluminum Silicate Board
Al2O3: 40-55%
B.D: 260-320kg/m3
Size: Length, width regular size, thickness 20-100mm
Low heat conduction and capacity
Good thermal stability
High compressive strength
The ceramic fiber board is made of aluminum silicate fiber cotton, which is formed by vacuum forming or dry method, dried and pressurized, and finally finished into ordinary ceramic fiber board.
The ordinary type has the same performance as the ceramic fiberboard, and the corresponding loose aluminum-silicon fiber cotton. The product has hard texture, high toughness and strength, good wind erosion resistance; light texture, no swelling when exposed to water, convenient construction, can be cut bc and bcnt at will, and is an ideal energy-saving product for kiln pipes and other insulation equipment.
| Type | Ordinary | Standard | High Purity | High Alumina | Zirconium |
|---|---|---|---|---|---|
| Classification temperature | 1100 | 1260 | 1260 | 1360 | 1430 |
| Working temperature | <1000 | 1050 | 1100 | 1200 | 1350 |
| Color | white | Pure white | Pure white | Pure white | Pure white |
| B.D, kg/m3 | 260~320 | 260~320 | 260~320 | 260~320 | 260~320 |
| Permanent linear change (%) 24 hours under ,B.D320kg/m3 | -4 (1000℃) | -3 (1000℃) | -3 (1100℃) | -3 (1250℃) | -3 (1350℃) |
| Thermal Conductivity w/m·k | 0.085(400℃) | 0.085(400℃) | 0.085(400℃) | 0.085(400℃) | 0.085(400℃) |
| B.D, 285kg/m3 | 0.132(800℃) | 0.132(800℃) | 0.132(800℃) | 0.132(800℃) | 0.132(800℃) |
| B.D, 285kg/m3 | 0.180(1000℃) | 0.180(1000℃) | 0.180(1000℃) | 0.180(1000℃) | 0.180(1000℃) |
| Strength extension (Mpa) Thickness shrinkage 10% | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Al2O3 | 44% | 46% | 47~49% | 52~55% | 39~40% |
| Al2O3+SiO2 | 96% | 97% | 99% | 99% | – |
| Al2O3+SiO2+ZrO2 | – | – | – | – | 99% |
| ZrO2 | – | – | – | – | 15~17% |
| Fe2O3 | <1.2% | <1.0% | 0.2% | 0.2% | 0.2% |
| Na2O+K2O | ≤0.5% | ≤0.5% | 0.2 | 0.2 | 0.2 |
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