Ceramic fiber felt is vacuum-forming from ceramic fiber cotton produced by resistance melting and blowing process.
Ceramic fiber felt is a lightweight and flexible refractory fiber insulation material composed of high-purity ceramic fiber and organic binders.
Ceramic fiber felt not only has excellent performance corresponding to dispersed ceramic fiber cotton, but also has good strength and elasticity, making it a multifunctional product. Suitable for expansion joints and high-temperature gaskets on kiln and boiler walls. When used as a gasket, its excellent resistance to molten metal penetration is suitable for sealing the bottom plate of steel ingots, plug core gaskets, and aluminum billet casting gaskets.
Product features:
● Low thermal conductivity, low thermal capacity
● Excellent chemical stability
● Excellent thermal stability and thermal shock resistance
● Excellent sound absorption
● Soft and elastic texture
Product application:
Industrial kilns, heating equipment wall lining, backing
● High temperature equipment insulation
● High temperature gasket
● Molten metal insulation
● High temperature expansion joints
Technical Data
|
ITEM |
ST 1260 |
HP 1260 |
HA 1360 |
HZ 1430 |
|
Classification Temperature(C°) |
1260 |
1260 |
1360 |
1430 |
|
Working Temperatur(C°) |
≤1000 |
≤1100 |
≤1200 |
≤1300 |
|
Density(KG/m³) |
180-220 |
|||
|
Organic Content % |
≤10 |
≤10 |
≤10 |
≤10 |
|
Moisture content % |
≤1 |
≤1 |
≤1 |
≤1 |
|
Heating Shrinkage(％) |
1000℃×24h ≤-4 |
1100℃×24≤-4 |
1200℃×24≤-4 |
1350℃×24h≤-4 |
|
Thermal Conductivity(500℃) W/(mk) |
≤0.153 |
|||
|
Al₂O₃ |
36-38 |
39-42 |
45-47 |
- |
|
Al₂O₃＋SiO₂ |
≥96 |
≥98 |
≥99 |
- |
|
Al₂O₃＋SiO₂＋ZrO₂ |
- |
|
- |
≥99 |
|
ZrO₂ |
- |
|
- |
≥15 |
|
Fe₂O₃ |
≤0.5 |
≤0.3 |
≤0.3 |
≤0.2 |
Package
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