Customization: | Available |
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Application: | Blast Furnace, Cement Kiln, Ceramic Kiln, Chemical Kiln, Glass Kiln, Steel-Making Furnace |
Material: | High Alumina |
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Special fireclay bricks have significant differences in raw materials and production processes compared to standard clay bricks. It uses higher quality chamotte and mullite as the main raw material, increasing the content of mullite to reduce iron content; And higher tonnage presses are used to improve particle composition. It has the characteristics of low porosity and low iron content to better resist the erosion of impurities and achieve better high-temperature performance.
Features of Special Fireclay Brick
Good performance in high temp refractoriness under load
Lower thermal line expansion in high temp
Lower impurity content
Good thermal shock resistance performance
Excellent resistance in slag abrasion
Good cold crush strength
Applications of Special Fireclay Brick
Brand Properties |
JC-30 | JC-40 | DN-17 | DN-14 | DN-12 | |
Refractoriness (SK) | 30 | 34 | 34 | 34 | 35 | |
Apparent Porosity (%) | 15 | 14 | 17 | 14 | 13 | |
Bulk Density (g/cm3) | 2.26 | 2.32 | 2.25 | 2.34 | 2.40 | |
Cold Crushing Strength (MPa) | 50 | 70 | 50 | 65 | 70 | |
@1,000ºC Thermal Linear Expansion(%) |
0.6 | 0.6 | 0.6 | 0.6 | 0.5 | |
@1350ºC x 2hrs Permanent Linear Change (%) |
±0.3 | ±0.3 | ±0.2 | ±0.2 | ±0.1 | |
@0.2MPa Refractoriness Under Load (ºC) |
1250 | 1300 | 1,430 | 1,470 | 1,500 | |
Chemical Composition (%) |
Al2O3 | 30 | 40 | 42 | 45 | 45 |
Fe2O3 | 2.0 | 1.8 | 1.7 | 1.5 | 1.3 | |
Main Applications |
Reheating Furnace , Various Rotary Kiln Incinerator Non Ferrous, Metal Furnace Glass Furnace General Industrial Furnace etc. |
Q1 : How can you control your quality?
A1 : For each production processing, JUCOS have complete QC system for the chemical