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Ceramic fiber bulk is made of coal gangue by melting at high temperature through resistance furnace, before being blown or spun into fiber.
As a neutral and acidic material, except reaction with the strong acid-alkali, ceramic fiber won’t be eroded by other weak alkali, weak acids, or water, oil, steam, or be infiltrated with lead, aluminum or copper, featuring excellent flexibility and elasticity.
Ceramic Fiber Bulk
Product Description
The polycrystal alumina fiber bulk is made of melted aluminum salt through chemical colloid method.
The solution is heated and inspissated into fiber under specific conditions and got polycrystal alumina fiber after the heat treatment
Ceramic fiber bulk show a high temperature stability.Low weight , heat capacity and an outstanding sound absorption is complemented by their resistance to shock and erosion.
Product Features
Excellent thermal stability and chemical stability
Keep loose ,soft and elastic under high temperature
Low thermal conductivity and heat storage
Excellent thermal shock resistance
No bond and corrosive material
Excellent sound absorption
Product Application
Filling material for expansion gap
Base material for the production of board,paper,profiled fiber
Fire strengthen material for heat insulation beton and bonding agent
Type | Standard | High Pure | High Aluminum | Zirconium |
Classification temp(°C) | 1260 | 1260 | 1360 | 1430 |
Work temp(°C) | 1050 | 1100 | 1200 | 1350 |
Color | Pure White | Pure White | Pure White | Pure White |
Fiber diameter(um)Blown | 2--3 | 2--3 | 2--3 | 2--3 |
Fiber diameter(um)Spun | 3—4.5 | 3—4.5 | 3—4.0 | 3—4.0 |
AL2O3(%) | 45--46 | 47--49 | 52--55 | 39--40 |
AL2O3+SIO2(%) | 97 | 99 | 99 | ------- |
ZrO2(%) | ------ | -------- | -------- | 15--17 |
Fe2O3(%) | <1.0 | 0.2 | 0.2 | 0.2 |
Na2O+K2O(%) | <0.5 | 0.2 | 0.2 |
