Silicon carbide non-stick aluminum castable is made primarily from high-purity silicon carbide, combined with high-alumina micro-powder, a low-cement or cement-free binding system, and special non-wetting, anti-seepage functional components. In a high-temperature molten aluminum environment, this material resists wetting by molten aluminum, chemical corrosion, and mechanical erosion, maintaining a clean lining surface and structural integrity.
Silicon carbide non-stick aluminum castables incorporate ultra-fine powder technology, offering high bulk density, high strength, and excellent thermal shock stability. By adding appropriate de-wetting agents, the wettability of molten aluminum, aluminum alloys, and slag on the refractory is significantly reduced. This enhances resistance to corrosion and erosion, prevents sticking of aluminum and slag, and extends furnace lining life. It is especially suitable for melting furnaces, settling furnaces, ladle troughs, and aluminum ladle linings.
The product is corrosion-resistant, resists penetration by molten aluminum, and is wear-resistant.
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Project |
HX-SY65 |
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SiO2(%) |
65 |
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Bulk Density (g/cm3) |
110°C x16h |
2.6 |
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Flexural Strength (MPa) |
110°C x16h |
8 |
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816°C x3h |
8 |
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Compressive Strength (MPa) |
110°C x16h |
65 |
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816°C x3h |
65 |
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Linear Rate of Change (%) |
110°C x16h |
-0.1 |
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816°C x3h |
-0.2 |
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1093°C x3h |
-0.2 |
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In engineering design, silicon carbide non-stick aluminum castables are typically used in areas subject to severe erosion and abrasion. They are often combined with lightweight castables or other refractory castables to form a zoned composite furnace lining structure.
Typical applications include:
● Bottoms and sidewalls of aluminum melting and holding furnaces
● Molten aluminum flow channels, chutes, and distribution troughs
● Aluminum transfer ladles and ladle linings
● Aluminum alloy melting and holding equipment
● Critical areas subject to severe molten aluminum erosion and dross buildup
Packaging: 50 kg bags, ton bags, palletized packaging, or sealed packaging. Custom packaging available.
Storage: Store in a dry and well-ventilated place. The product maintains stable performance under recommended storage conditions.
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Over 30 years of experience in refractory material applications in the aluminum industry |
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A proven silicon carbide non-stick aluminum castable formulation system |
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Stable product quality across batches with excellent adaptability to different operating environments |
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Customization available based on molten aluminum temperature, flow rate, and operating conditions |
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Full technical support throughout the entire process, including product selection, installation, and operation |
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