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Aluminum Silicate Wool
See larger image: Aluminum Silicate Wool
Detailed Description
Production Technique
1The standard aluminum silicate wool is made from the chamotte of hard clay blown into floccose fiberafter melted in electric oven.
2High aluminous aluminum silicate wool is made from the mixture of high purity alumina and silica powders blown into floccose fiber after melted in electric oven .
3Zirconic aluminum silicate wool is made from the mixture of high purity alumina,silica and zircon powders blown into floccose fiber after melted in electric oven.
4Cemented aluminum silicate wool is made by adding a certain proportion of refractory cementing agent in the course of blowing .
Product Characteristics
1 Low thermal conductivity ,low thermal capacity.
2Excellent thermal stability , chemical stability and sound absorption .
3Containing no corrosive material.
Application
1Sandwich filling for equipment.
2As raw material for vacuum forming products.
3Fibrous casting material , daubing material ,coating material,fibrous paper,etc.
4Aluminum silicate wool containing cementing agent is the best material for making boards, pipe shells and irregular components with dry process.
Technical specifications
ltem | Standard Type | High Alumina Type | Zirconic Type | |
Classification Temp() | 1260 | 1400 | 1400 | |
Service Temp() | 1000 | 1200 | 1350 | |
Color | White | Pure white | Pure white | |
Fiber Diameter(μm) | 3-5 | 3-5 | 3-5 | |
Chemical Composition (%) | Al2O3 | 44 | 52-55 | 39-40 |
Al2O3+SiO2 | 96 | 99 | -- | |
Al2O3+SiO2+ZrO2 | -- | -- | 99 | |
ZrO2 | -- | -- | 15-17 | |
Fe2O3 | 1.2 | 0.2 | 0.2 | |
Na2O+K2O | ≤0.5 | 0.2 | 0.2 | |
Note:The above data have been obtained through tests in accordance with internationally recognized methods.
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