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Detailed Explanation of the Properties of Silicon Nitride Bonded Silicon Carbide Bricks and Their Application Advantages in Non - ferrous Mine Refractory Materials

2025-10-11
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Technical knowledge
Gain an in - depth understanding of the outstanding properties of silicon nitride bonded silicon carbide bricks: high strength, excellent thermal conductivity, super - strong thermal shock resistance and corrosion resistance. Certified by professional tests, they are widely used in non - ferrous mines, metallurgical blast furnaces and the ceramic industry. They are the trusted choice of more than ten large enterprises globally, with 80% of the output exported to markets in Europe, America and many other countries, helping customers improve production efficiency and equipment service life. Immediately learn how this product, which leads the new trend of refractory materials, can bring breakthrough value to your process.
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Are you in search of a more durable and efficient refractory solution? Look no further! Silicon nitride bonded silicon carbide bricks have emerged as a game - changer in the refractory materials industry. These bricks have been successfully verified in numerous global leading projects and are trusted by more than a dozen large - scale enterprises worldwide. In fact, 80% of the production volume is exported to Europe, America, and many other countries.

Core Performance Analysis

High Strength

Silicon nitride bonded silicon carbide bricks are renowned for their high strength. The anti - flexural strength of these bricks is ≥80MPa, which is significantly higher than many traditional refractory materials. This high strength allows the bricks to withstand heavy loads and mechanical impacts in high - temperature environments, such as in blast furnaces and ceramic kilns. As a result, they can maintain their structural integrity over long periods, reducing the need for frequent replacements and thus saving costs for enterprises.

Silicon nitride bonded silicon carbide bricks in a high - temperature environment

Excellent Thermal Conductivity

With a thermal conductivity of around 20 - 30 W/(m·K), these bricks can transfer heat efficiently. In industrial applications, this property is crucial for maintaining a uniform temperature distribution in high - temperature equipment. For example, in ceramic kilns, the excellent thermal conductivity of silicon nitride bonded silicon carbide bricks helps to ensure that the ceramic products are heated evenly, improving the quality of the final products and increasing production efficiency.

Superb Thermal Shock Resistance

One of the most remarkable features of these bricks is their superb thermal shock resistance. They can withstand rapid temperature changes without cracking or spalling. After professional testing, they can endure temperature differences of up to 800 - 1000°C without significant damage. This makes them ideal for applications where sudden temperature fluctuations occur, such as in the smelting process of non - ferrous metals.

Strong Corrosion Resistance

Silicon nitride bonded silicon carbide bricks also exhibit strong corrosion resistance. They can resist the corrosion of various molten metals, slags, and gases in high - temperature environments. According to laboratory tests, the corrosion rate of these bricks in contact with common molten metals is less than 0.1mm/year, which is much lower than that of many other refractory materials. This property greatly extends the service life of the equipment and reduces maintenance costs.

Comparison of corrosion resistance between silicon nitride bonded silicon carbide bricks and other refractory materials

Application in Different Industries

Silicon nitride bonded silicon carbide bricks have a wide range of applications in various industries. In the non - ferrous mining industry, they are used as lining materials for smelting furnaces, where they can withstand the high - temperature and corrosive environment. In the metallurgical blast furnace industry, these bricks are used in the inner lining of the furnace, helping to improve the efficiency of the blast furnace and extend its service life. In the ceramic industry, they are used as kiln furniture, providing a stable and high - quality heating environment for ceramic firing.

Competitive Advantage over Similar Products

When compared with similar products in the market, silicon nitride bonded silicon carbide bricks have several distinct competitive advantages. A performance comparison chart shows that in terms of strength, thermal conductivity, thermal shock resistance, and corrosion resistance, these bricks outperform many traditional refractory materials. For example, compared with ordinary clay bricks, the anti - flexural strength of silicon nitride bonded silicon carbide bricks is 3 - 5 times higher, and the thermal conductivity is 5 - 10 times higher. These advantages translate into better performance and longer service life in actual industrial applications.

Silicon nitride bonded silicon carbide bricks in a ceramic kiln

"According to the test report from [Authoritative Testing Institution], silicon nitride bonded silicon carbide bricks meet the high - standard requirements for high - temperature and corrosive environments in industrial applications. Their performance in strength, thermal conductivity, and corrosion resistance is highly commendable."

If you are looking to enhance the efficiency of your production process and extend the service life of your equipment, silicon nitride bonded silicon carbide bricks are the ideal choice. Don't miss out on this opportunity to revolutionize your refractory solution. Click here to learn more and get technical data!

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