The AZS brick is a kind of composite brick. It refers to the process of completely melting the raw materials and pouring them into a mold, cooling them, and solidifying them to form bricks suitable for kilns. This process is especially suitable for glass kilns. Through high-purity raw materials and advanced manufacturing technology, Kerui provides high-quality AZS bricks.
- “A” stands for Al2O3, which affects its refractoriness;
- “Z” stands for ZrO2, which stands for chemical stability and thermal shock stability;
- “S” stands for SiO2, which stands for the ability to resist acidic corrosion.
AZS Brick Fused Cast Block
Type
#AZS33, #AZS36, #AZS41
Bulk Density
3.8-4.05g/cm3
Cold Crushing Strength
≥70MPa
Delivery
15-30 working days
Technical Index of Kerui AZS Brick
| Item | KR-AZS41 | KR-AZS36 | KR-AZS33 |
| SiO2, % | 12 | 13 | 15 |
| Al2O3, % | The Remainder | The Remainder | The Remainder |
| ZrO2, % | 41 | 36.5 | 33.5 |
| Fe2O3+TiO2+CaO+MgO+Na2O+K2O, % | ≤2.0 | ≤2.0 | ≤2.0 |
| Bulk Density, g/cm3 | 4.05 | 3.9 | 3.8 |
| Apparent Porosity, % | 0.6 | 0.8 | 0.7 |
| Initial Precipitation Temperature of Vitreous Phase, ℃ | 1400 | 1400 | 1400 |
Vitreous Phase Exudation, %
(1500℃*4h) | 1.5 | 2.3 | 2.0 |
Anti-molten Glass Erosion Speed Under Static Condition, mm/24h
(1500℃*36h, ordinary soda lime glass) | 1.2 | 1.3 | 1.4 |
Bubble Release Rate, %
(1300℃*10h, ordinary soda lime glass) | 0.6 | 1.0 | 1.2 |
Note: the data comes from China Refractory Industry Standard. Kerui supports customized solution according to your drawing.
Differences Among AZS33 AZS36 AZS41
When designing or repairing a glass melting furnace, it’s important to choose the correct grade of AZS bricks. The number (33/36/41) refers to the ZrO₂ content, which directly influences the brick’s corrosion resistance, glass phase content, and service life.
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| Features |
Dense structure, good corrosion resistance and low blistering rate of glass at high temperature. |
Better corrosion resistance to glass liquid at high temperatures. |
Good castability, a variety of complex and diverse shapes. |
| Application Areas |
Key parts of glass furnace with serious corrosion. |
Side walls, bridge walls, furnace necks, furnace arches and other parts of glass furnace. |
Superstructure, working tank side walls, paving blocks, feed channels, trough bottoms, C-blocks, stopper tops of glass furnace . |
Features and Applications of AZS Brick in Glass Industry
Due to the special composition and AZS properties, this fused cast alumina block is most commonly used in glass kiln construction. Because AZS refractory brick can not only ensure the stable operation of high-temperature kilns, but also can avoid contaminating the molten glass. Therefore, it’s an ideal choice to improve glass quality and production efficiency.
Applications of AZS Brick in Other Industry
This high-end refractory fire brick has a wide range of applications. For example, electric kilns, slides in the steel industry and kilns in the soda ash industry and other high-temperature environments.
Excellent Performances of Kerui AZS Brick
High Working Temperature: Kerui azs fused cast refractories feature a high Al2O3 content, which provides an elevated melting point. This ensures outstanding performance even under extreme high temperatures.
Chemical Resistance: The combination of silica and zirconia in AZS bricks offers excellent resistance to chemical corrosion. It makes fused cast refractories highly durable in harsh environments.
No Pollution: Our AZS alumina bricks do not contaminate molten glass. This property ensures clean and efficient production processes.
Thermal Shock Resistance: These fused cast AZS blocks exhibit strong resistance to thermal shock. The azs heating and cooling maintains stability even with rapid temperature changes, which contributes to their extended service life.
Anti-Slag Resistance: AZS bricks offer superior resistance to slag. This azs material enhances the durability and performance in demanding applications.
Advantages of KERUI AZS Bricks
Advanced Manufacturing Technology
Kerui Refractory utilizes advanced manufacturing techniques including arc furnace smelting, crystallization, casting and polishing to achieve precise shapes and sizes. We offer various AZS brick types for different applications: Standard AZS Bricks (PT), Inclined AZS Bricks (QX), Near-Shrinkage AZS Bricks (ZWS), Shrinkage AZS Bricks (WS)… Contact KERUI for more details!
Strict Quality Control
With numerous quality control checkpoints throughout our factory, we monitor raw materials, production processes, and finished products rigorously. Our stringent quality control has earned Kerui international certifications including ISO, CE and SGS. Welcome to purchase with confidence!
Professional Technical Support
KERUI chief engineer brings over 30 years of high-temperature industry experience. From product selection to installation guidance, Kerui offers expert technical support throughout your project. If you want to get technical support today, welcome to leave a message here or follow our YouTube channel.
Responsible Service
Kerui Refractory is more than just a supplier of AZS bricks; we serve as a comprehensive technical partner, supporting our customers throughout the entire process, from material selection and installation to operation and maintenance. Cooperation with KERUI can effectively help customers reduce operational risks, extend furnace life, and improve glass quality.
