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Ceramic Fiber Fire Cotton
Ceramic fiber is a high-efficiency thermal insulation material, which has the characteristics of light weight, high strength, oxidation resistance, low thermal conductivity, good flexibility, corrosion resistance, small heat capacity and sound insulation.
Description
1.Introduction of ceramic fiber cotton
Ceramic fiber loose cotton is a fluid made of high-purity clay clinker, alumina powder, silica powder, chrome sand and other raw materials smelted at high temperature in an industrial electric furnace. Then it is blown with compressed air or spun into fibers with a spinning machine, and the cotton is collected by a cotton collector to form ceramic fiber cotton.
Ceramic fiber cotton is a relatively small thermal insulation material in thermal insulation cotton, but it has high-efficiency insulation, light weight, high strength, anti-oxidation, low thermal conductivity, good softness, corrosion resistance, and low heat melting. and sound insulation. Fiber cotton can be further processed into fiber blanket, board, paper, cloth, rope and other products.
3.Technical parameter
Grade | Common | Standard | High Pure | High Alumina | Zirconium |
Max.Temperature (℃) | 1100 | 1260 | 1260 | 1300 | 1430 |
Working Temperature (℃) | <1000 | 1150 | 1200 | 1260 | 1400 |
Fiber diameter(um) | 2-3 | 2-3 | 2-3 | 2-3 | 2-3 |
Needled | 3-4.5 | 3-4.5 | 3-4.5 | 3-4.0 | 3-4.0 |
Chemical composition (%)AL2O3 | 44 | 46 | 47-49 | 52-55 | 39-40 |
Al2O3+SiO2 | 96 | 96 | 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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