Corundum Mullite Sagger
Products Description
What's corundum mullite sagger?
A Corundum Mullite Sagger is a high-performance refractory ceramic container designed specifically for sintering powders and protecting products in high-temperature processes. Manufactured from a precision blend of high-purity corundum (Al₂O₃) and mullite (3Al₂O₃·2SiO₂), these saggers provide exceptional thermal shock resistance, mechanical strength, and chemical stability, making them ideal for use in kilns, shuttle furnaces, and calcination environments.
Product Description
Gotrays Graphite's Corundum Mullite Saggers are made using advanced ceramic processing techniques. The manufacturing process includes:
Selection of high-purity corundum and mullite raw materials
Use of superfine particle technology for improved density and strength
Precision mixing, shaping, and drying
Final sintering in a high-temperature shuttle kiln
These saggers are typically larger in size, used to support or contain materials during thermal processing, and ensure consistent results in demanding kiln atmospheres.
🔧 Typical forming methods include:
Semi-dry pressing
Plastic pressing
Casting (for complex or customized shapes)
Products Application
Corundum Mullite Saggers are widely used in:
Powder calcination (e.g., lithium battery cathode materials)
High-temperature sintering of ceramics and oxides
Firing of electronic components and advanced materials
Glost and biscuit firing in fine ceramics or tableware
Heat treatment of chemical raw materials
Products Advantage
Advantages
1). High temperature resistance.
2). Strong thermal shock stability
3). Resisting corrosion and stripping
4). Long working life
5). Effectively reduce probability of product's deformation, slag stripping etc defects.
Products Show
How to Order
1. We need to identify your needs firstly, Determine the specific size, shape, and capacity needed for your application.
2. We will offer our best price to you.
3. We sign contract and we produce for you.
4. Delivery to you.
5. After sale service
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Property
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Cordierite- mullite
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Mullite-corundum
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Al2O3 %
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≥ 80
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≥ 92
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SiO2 %
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≤18
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≤5
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Fe2O3 %
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≤ 1.2
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≤ 0.5
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Density g/cm3
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≥2.6
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≥3.7
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Thermal expansion 1000 ℃
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6.5
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7.8
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Refractoriness ℃
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≥ 1750
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≥ 1850
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Working temperature ℃
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≤ 1450
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≤ 1500
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