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Electrofused cast bricks are cast refractories produced by fully melting the raw materials and casting the melt into molds, followed by controlled cooling and annealing. According to the ZrO₂ content, the products are classified as AZS-33, AZS-36, and AZS-41. According to the casting method, they are classified as regular cast, tilt cast, void-free cast, and end-cut types. Our company manufactures corresponding products based on different applications and customer requirements.
· High-quality raw materials: Zircon and alumina sourced from Australia. The zircon is low in silicon impurities, ensuring the intrinsic quality of the products.
· Advanced manufacturing and management: Improved manufacturing processes, management systems, and quality assurance technologies are implemented. Every production process and operation is carried out in accordance with strict work standards.
· Strict quality control: Chemical composition is monitored daily using X-ray fluorescence analyzers to ensure optimal composition, crystalline structure, and performance. Regular physical and chemical performance tests, glass exudation measurements, blistering index measurements, glass corrosion resistance tests, and microstructural analyses are conducted to ensure consistent product quality.
Item | Unit | Index | |||
CT 33WS | CT 36WS | CT 41WS | |||
Chemical Composition | Al₂O₃ | % | Others | Others | Others |
ZrO₂ | 32-36 | 35-40 | 40-44 | ||
SiO₂ | 16 | 14 | 13 | ||
Na₂O | 1.5 | 1.6 | 1.3 | ||
Fe₂O₃+TiO₂ | 0.3 | 0.3 | 0.3 | ||
Physical Properties | Bulk Density | g/cm³ | 3.7 | 3.8 | 3.95 |
Apparent Porosity | % | 1.5 | 1.5 | 1.5 | |
Corrosion Resistance of Glass Melt | mm/24h | 1.6 | 1.5 | 1.3 | |
Exudation Temp og Glass Phase ≥ | ℃ | 1400 | 1400 | 1400 | |
Budding Separate | % | 2.0 | 1.5 | 1.0 | |
Phase Exudation | % | 1.0 | 1.0 | 0.6 | |
Thermal Expansion | % | 0.8 | 0.8 | 0.8 | |
Bulk Density | PT.QX | g/cm³ | 3.5 | 3.55 | 3.7 |
WS.ZWX | 3.7 | 3.8 | 3.95 | ||
Technical study to provide clients with comprehensive solutions combining top-quality electro fused and sintered products.
Preparation of the raw material batch composition.
Fusion in an electric arc furnace.
Pouring into bonded sand molds.
Annealing in an insulating medium to control cooling down to ambient temperature.
Finishing operations, including cleaning, sawing, polishing, or diamond grinding.
Pre-assembly of the various furnace components, including verification of dimensions, joint quality, and identification of each piece.
