Silicon carbide brick is an extremely high-performing refractory material with a Mohs hardness rating of 9. Its chemical stability and resistance to acid slag make it suitable for harsh environments, improving performance of high temperature equipment significantly.
Rongsheng Kiln Refractory Co Ltd is a comprehensive supplier of silicon carbide bricks. From raw material procurement to final production, we strictly oversee every step in order to guarantee product quality.
High Hardness
Silicon carbide bricks boast high refractoriness, making them capable of withstanding intense heat and abrasive forces, making them suitable for environments containing harsh chemicals. Furthermore, their strong mechanical integrity provides high mechanical strength as well as superior protection from chemical corrosion.
Silicon carbide refractory bricks offer exceptional temperature resistance, making them the ideal solution for applications involving rapid heating and cooling cycles. Their unique abrasion resistance enables them to remain intact even under adverse conditions while avoiding cracking or early failure.
High refractoriness bricks contribute to their durability and long service life, helping reduce maintenance frequency and operating costs while increasing durability. Due to this benefit, these materials have become popular within metallurgical and cement industries for use lining electric furnaces and ladles; additionally they’re frequently employed at waste-to-energy plants in waste chambers and flue systems as a sustainable industrial production method – with strategic partnerships between materials suppliers and end users helping increase adoption of these products.
Excellent Wear Resistance
Silicon carbide bricks are an ideal choice for equipment exposed to extreme wear. Their hardness ranks second only to diamond, and their resistance to erosion and chemical environments is second-to-none. Furthermore, they’re chemical resistant as well as temperature resistant – which means you don’t have to worry about corrosion issues either!
Furthermore, they boast outstanding thermal conductivity and low thermal expansion – qualities which allow them to line equipment more effectively while improving heat transfer efficiency and lowering energy consumption.
Clay-bonded silicon carbide bricks are an insulating refractory brick manufactured with binder clay that are ideal for applications requiring high thermal conductivity and shock resistance, as well as enhanced flexural strength and compressive strength compared with ordinary refractory bricks.
Nitride-bonded silicon carbide brick is produced through nitriding reaction using SiC and Si powder as raw materials, producing an impregnated material with excellent chemical corrosion resistance that is widely used across industries including iron and steel, nonferrous metal smelting (molten aluminum pool, distiller and electrolytic cell); thermal equipment in chemical processes; push plates of ceramic kilns/furnaces with strong reducing atmospheres, thermal equipment in chemical industries as well as waste incinerators.
Excellent Thermal Shock Stability
Silicon carbide brick has an extremely low thermal expansion coefficient and maintains dimensional stability at high temperatures. Furthermore, its Mohs hardness of 9 provides wear resistance that helps prevent damage to equipment service life while being resistant to acid and alkali attacks, making it suitable for environments containing harsh chemicals.
b-SiC bonded silicon carbide brick is manufactured using industrial silicon carbide as the main raw material, while in situ generation and transformation of mullite phase play an essential binding role, improving its performance. It is suitable for use as ceramic kiln furnace lining (sheds, stents and saggers), muffle hood of aluminum refining furnace, zinc distillation tank lining as well as blast furnace lining; can withstand acid and alkali slag erosion along with various molten metals as well as having characteristics like thermal and mechanical strength as well as volume stability resistance as well as resistance against water vapor oxidation erosion.
Excellent Corrosion Resistance
Silicon carbide brick is highly resistant to acid and alkali chemicals, making it an excellent material choice for use in harsh environments. Furthermore, its low thermal expansion rate enables it to maintain its dimensions at high temperatures without deformation or cracking, making it popular choice in industrial settings. Silicon carbide has also proven its durability through numerous wear and corrosion applications in various industrial fields.
Sintering of SIC brick involves two stages: reaction sintering and nitriding. Nitriding occurs within a closed furnace using nitrogen gas; its amount must be strictly managed during this process.
Refractory silicon carbide brick is made of sintered magnesia and chromite, with spinel and perovskite as key minerals. Each green brick is then pressed by a press to the size and shape desired by customer data, unlike multi-clay bonded refractories which offer greater thermal conductivity but lower hardness levels; they’re most often seen lining aluminum electrolytic cells or zinc distillation tanks used in nonferrous metal smelting processes and ceramic kiln furniture.
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