Advanced Technical Ceramics, Precision Alumina, Silicon Carbide, Crucible Parts

Alumina Mullite Sagger Corundum Mullite Ceramic Saggers
PRODUCT PARAMETERS
- Excellent high-temperature resistance up to 1600-1750℃
- Good thermal shock resistance and cycling stability
- High mechanical strength at elevated temperatures
- Controlled porosity for stable firing performance
- Suitable for repeated industrial sintering processes
Description
Alumina Mullite Saggers (Corundum Mullite Ceramic Saggers) are high-performance refractory ceramic containers manufactured from high-purity alumina and mullite materials. They are specially designed for high-temperature firing, sintering, and heat treatment processes where excellent thermal stability and mechanical strength are required.
With outstanding resistance to high temperatures, thermal shock, and chemical corrosion, these corundum mullite saggers can maintain stable performance during repeated heating and cooling cycles. The optimized material structure helps reduce deformation and cracking, ensuring reliable protection for sintered products.
Alumina Mullite Saggers are widely used in electronic ceramic manufacturing, new energy material sintering, powder metallurgy, advanced ceramics production, and other high-temperature industrial applications. Customized sizes and shapes are available to meet different furnace designs and production requirements.

Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Alumina Mullite Sagger / Corundum Mullite Ceramic Sagger |
| Material | Alumina + Mullite Ceramic |
| Bulk Density | 2.5-2.9 g/cm³ |
| Apparent Porosity | 15-25% |
| Maximum Operating Temperature | 1600-1750℃ |
| High Temperature Flexural Strength | 25-33 MPa |
| Thermal Shock Resistance | Excellent |
| Corrosion Resistance | High |
| Manufacturing Method | Ceramic molding and high-temperature sintering |
| Shape | Rectangular, square, customized shapes |

Product Advantages
1. Excellent High Temperature Stability
Alumina Mullite Saggers can withstand temperatures up to 1750℃ while maintaining structural integrity. The corundum mullite ceramic structure provides excellent resistance to thermal deformation. This ensures stable performance during continuous high-temperature sintering processes.
2. Superior Thermal Shock Performance
The optimized material composition reduces stress caused by rapid temperature changes. These saggers can withstand repeated heating and cooling cycles with lower cracking risk. This helps extend service life and improve production efficiency.
3. Reliable Mechanical Strength
With high-temperature flexural strength of 25-33 MPa, the saggers provide good load-bearing capability. They can support ceramic powders, electronic components, and other materials during firing. The stable mechanical properties ensure safe operation in industrial kilns.
4. Excellent Chemical Resistance
The alumina and mullite materials provide good resistance against chemical reactions at elevated temperatures. This reduces contamination between the sagger and processed materials. It is suitable for applications requiring high purity and stable product quality.
5. Improved Sintering Efficiency
The ceramic structure helps achieve uniform heat distribution during firing. Stable temperature conditions contribute to consistent sintering results. This improves the quality and performance of final products.
6. Flexible Customization Options
Different sizes, shapes, and specifications can be customized according to customer requirements. Customized saggers can better match different furnace loading systems. This provides more efficient solutions for various industrial applications.

Typical Applications
1. Electronic Ceramic and Component Sintering
Alumina Mullite Saggers are widely used for firing electronic ceramic components and functional ceramic materials. They provide a stable high-temperature environment during sintering. Their low contamination characteristics help maintain product performance and reliability.
2. New Energy Material Sintering
These saggers are applied in high-temperature processing of new energy materials. They provide durable support during repeated thermal cycles. Their excellent temperature resistance helps improve production stability.
3. Powder Metallurgy
Alumina Mullite Saggers are suitable for powder metallurgy sintering processes. They can withstand high temperatures while maintaining dimensional stability. This helps achieve consistent material density and performance.
4. Advanced Ceramic Manufacturing
They are commonly used for sintering structural ceramics and functional ceramic products. The stable thermal performance supports precise firing processes. They help improve the quality of finished ceramic components.
5. Industrial Kilns and Laboratory Furnaces
These saggers are suitable for various high-temperature furnace applications. They can be customized for different kiln sizes and operating conditions. Their durability makes them ideal for repeated industrial use.

Company Profile
Luoyang JianXun Tech Co., Ltd. specializes in the research, development, and supply of advanced ceramic materials and high-performance industrial products. The company provides alumina ceramics, silicon nitride ceramics, boron nitride products, aluminum nitride ceramics, refractory materials, and customized ceramic solutions for global customers. With professional manufacturing capabilities and strict quality control, JianXun delivers reliable products for high-temperature processing and industrial applications.
Payment Terms: T/T, PayPal, Credit Card, Western Union, etc.
Shipment Terms: By air, by sea, by express, or according to customer request.
Storage Conditions: Store Alumina Mullite Saggers in a dry and clean environment, avoiding moisture, impact, and contamination. Proper storage helps maintain product performance before use.
FAQ About Alumina Mullite Sagger
Q1: What is the maximum operating temperature of Alumina Mullite Sagger?
Alumina Mullite Saggers can withstand operating temperatures of approximately 1600-1750℃ depending on the specific material composition and working conditions.
Q2: What are Alumina Mullite Saggers mainly used for?
They are mainly used for electronic ceramic sintering, new energy material processing, powder metallurgy, advanced ceramic manufacturing, and other high-temperature applications.
Q3: Can Corundum Mullite Saggers be customized?
Yes, customized sizes, shapes, and specifications are available according to furnace dimensions, loading requirements, and customer applications.
Q4: Why choose alumina mullite material for saggers?
Alumina mullite materials offer excellent high-temperature resistance, thermal shock resistance, mechanical strength, and chemical stability, making them suitable for demanding sintering environments.
Q5: How can I extend the service life of Alumina Mullite Saggers?
Proper handling, avoiding mechanical impact, controlling heating and cooling rates, and storing products in a dry environment can help extend their service life.
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