Zhengzhou Zhenjin refractory material CO., Ltd. founded in 1985, is located in Xinmi City, Henan Province of China. ZHENJIN REFRACTORIES is a refractory-manufacturing enterprise integrating research and development, production, sales, international trade and technical services. The company is committed to cement industry, glass industry, non-ferrous smelting and steel & iron industry to provide products, construction and installation and tailor services.
Description of Ceramic fiber board
Ceramic fiber board is a plate-shaped material made of high-purity, high-temperature stable inorganic oxides as raw materials and processed by high-temperature sintering or pressing. Alumina, aluminum silicate, etc. are usually used as the main raw materials, and ceramic fiberboards with different characteristics can be realized through the modification of additives.
Ceramic fiber board is a high-performance insulating product formed by ceramic fiber and adhesive in vacuum. It is flat, ceramic materials are evenly distributed, and has excellent heat insulation performance. Due to its low thermal conductivity and low heat storage, no inflation during heating can reduce energy cost and cycle time, and protect the refractory surface from thermal shock and chemical attack. Therefore, it is an ideal product for fire resistance, heat insulation and heat insulation.
Technical indicators of Ceramic fiber board
| Item | COM | STD | HP | HA | HZ | |
|
Chemical content (100%) | Al2O3 | 44 | 45-46 | 47-49 | 52-55 | 39-40 |
| Al2O3+SiO2 | ≥96 | ≥98 | ≥99 | ≥99 | -- | |
| ZrO2 | -- | -- | -- | -- | 15-17 | |
| Al2O3+SiO2+ZrO2 | -- | -- | -- | -- | ≥99 | |
| Fe2O3 | ≤1.0 | ≤0.8 | ≤0.2 | ≤0.2 | ≤0.2 | |
| Na2O+K2O | ≤0.4 | ≤0.3 | ≤0.2 | ≤0.2 | ≤0.2 | |
| CaO+MgO | ≤0.3 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | |
| Working Temp. | <1000 ℃
(1832℉) | 1050℃
(1922℉) | 1100℃
(2012℉) | 1260℃
(2192℉) | 1350℃
(2462℉) | |
| Color | white | white | white | white | white | |
| Density(kg/m3) | 96-128
(6-8 lb/ft3) | 96-128
(6-8 lb/ft3) | 96-128
(6-8 lb/ft3) | 128-160
(8-10 lb/ft3) | 128-160
(8-10 lb/ft3) | |
| Linear Shrinkage (％)
(24 hrs,density 128 kg/m³) | -4
(1000℃/ 2012℉) | -3
(1000℃/1832℉) | -3
(1100℃/2012℉) | -3
(1250℃/2282℉) | -3
(1350℃/2462℉) | |
| Thermal conductivity(W/M.K)
Density 128kg/m³( 8
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