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| Application of heat insulation ceramic fiber board |
♦ The wall liner and back lining materials of high-temperature reaction, reheating equipment and various industrial furnace .
♦ Insulating and fire proof plate of furnace door and roof or house chimney and fireplace.
♦ Lows fire proof and insulation for chimney cake ovens, pizza oven.
♦ boilers and heater combustion chamber
| Character and data of heat insulation ceramic fiber board |
1. Excellent thermal stability.
2. Excellent chemistry quality.
3. Resistance to burning.
4. Low thermal conductivity.
Products Items |
STD Grade |
High Pure Grade | High Aluminium Grade |
Zr Grade |
Specification Temperature (℃) | 1260 | 1260 | 1360 | 1430 |
Working Temperature (℃) | 1050 | 1100 | 1200 | 1300 |
Colour | white | white | white | white |
Bulk Density (kg/m3) | 240 - 320 | 240 - 320 | 240 - 320 | 240 - 320 |
Permanent Linear Shrinkage (24hr, Bulk Density 320kg/m3) | - 4% max (1000℃) | - 4% max (1100℃) | - 4% max (1250)℃ | - 4% max (1350)℃ |
Thermal conductivity (w/m.k) (Bulk Density 285kg/m3)
| 0.085 (400℃) | 0.085 (400℃) | 0.085 (400℃) | 0.085 (400℃) |
0.132 (800℃) | 0.132 (800℃) | 0.132 (800℃) | 0.132 (800℃) | |
0.180 (1000℃) | 0.180 (1000℃) | 0.180 (1000℃) | 0.180 (1000℃) | |
Crushing Strength (Mpa) | 0.5 min | 0.5 min | 0.5 min | 0.5 min |
Chemical Composition |
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Al2O3 | 45% - 46% | 47% - 49% | 52% -55% | 39% - 40% |
Al2O3 + SiO2 | 96% - 97% | 98% - 99% | 99% min | --- |
Al2O3 + SiO2+ZrO2 | --- | --- | --- | 99% min |
ZrO2 | --- | --- | --- | 10%-18% |
Fe2O3 | 1.0% max | 0.5% max | 0.5% max | 0.2% max |
Na2O + K2O | 0.5% max | 0.2% max | 0.2% max | 0.2% max |
Regular Size (mm) | 900 x 600 x 20 ~ 50 mm, 1200 x 1000 x 25 ~ 50mm | |||





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