Max temperature 1800 C polycrystalline mullite heat insulation ceramic fiber board
Aluminum silicate ceramic fiber boards are produced through vacuum forming process of ceramic fiber and binders. Aluminum silicate ceramic fiber boards have feature of with high temperature stability, low thermal conductivity, even density, excellent resistance thermal shock and chemical attack. They are widely used as furnace lining in all kinds high temperature furnace and kiln, and also used for other high temperature resistance application.
1. Low heat capacity, low thermal conductivity.
2. Excellent heat stability and thermal shock resistance.
3. Accurate dimension and good flatness.
4. Excellent anti-erosion properties.
5. Easy to cut to install, easy construction.
6. Good toughness, high strength, long life.
7. Asbestos free
1. Lining of various kilns for thermal insulation.
2. Flue & chimney linings in furnace & kilns.
3. Furnace door insulation, hot face lining of kilns.
4. High temperature boiler wall insulation, insulation for kiln car.
5.Petrochemical and metallurgy industries- back linings, wall linings, and linings-thermal insulation.
|
Type |
Common grade |
Standard grade |
High pure grade |
High alumina Grade |
Zirconium grade |
|
Color |
White |
Pure white |
Pure white |
Pure white |
Pure white |
|
Classification temp. |
1100°C |
1260°C |
1260°C |
1360°C |
1430°C |
|
Use temp. |
≤1000°C |
1050°C |
1100°C |
1200°C |
1350°C |
|
Density (kg/m3) |
260-320 |
260-320 |
260-320 |
260-320 |
260-320 |
|
Shrinkage on heating (%)(density as 320kg/m3) |
1000°C×24h ≤-4 |
1050°C×24h ≤-3 |
1100°C×24h ≤-3 |
1200°C×24h ≤-3 |
1350°C×24h ≤-3 |
|
Tensile strength |
0.5MPa |
0.5MPa |
0.5MPa |
0.5MPa |
0.5MPa |
|
Thermal conductivity ( w/m.k) (Physical volume density 285 Kgs/ m3) |
0.085(400°C) |
0.085(400°C) |
0.085(400°C) |
0.085(400°C) |
0.085(400°C) |
|
AL2O3 |
44% |
46% |
47-49% |
52-55% |
39-40% |
|
AL2O3+SiO2 |
96% |
97% |
99% |
99% |
82-84% |
|
ZrO2 |
- |
- |
- |
- |
15-17% |
|
AL2O3+SiO2+ZrO2 |
- |
- |
- |
- |
99% |
|
Fe2O3 |
≤1.2% |
≤1.0% |
≤0.2% |
≤0.2% |
≤0.2% |
|
Na2O+K2O |
≤0.5% |
≤0.5% |
≤0.2% |
≤0.2% |
≤0.2% |
|
Standard Length (mm) |
Standard Width ( mm) |
Standard Thickness (mm) |
|
600 |
300/400 |
10-50 |
|
900 |
600 |
10-50 |
|
1000 |
600/1000 |
10-50 |
|
1200 |
500/600/1000 |
10-50 |
|
Remarks: Other size can be customized according to your requirements. |
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