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Silicon carbide protective tubes are high-performance, high-temperature resistant ceramic products made primarily of silicon carbide (SiC). They possess excellent high-temperature resistance, oxidation resistance, thermal shock resistance, and corrosion resistance. Their maximum operating temperature can reach over 1600℃, and they exhibit good thermal conductivity, high mechanical … Lire la suite

Mercury-lithium recovery furnaces are specialized heat treatment equipment used to process hazardous waste containing mercury and lithium. They are primarily used for the resource recovery of materials such as waste lithium batteries, mercury-containing catalysts, chemical residues, metallurgical byproducts, and laboratory waste. Through controlled heating, mercury … Lire la suite

The refractory bricks commonly used in Steam Reformers are primarily alumina-silicon based materials, with key requirements being low iron content, resistance to reduction, and long-term high-temperature stability. 1️⃣ High-alumina refractory bricks (Al₂O₃ 60–80%): The most widely used type, applied to the radiant furnace walls, furnace … Lire la suite

Electric arc furnaces (EAFs) are core equipment in modern short-process steelmaking, and their lining materials directly affect furnace life, energy consumption, and production stability. Magnesia bricks, due to their excellent high-temperature performance and resistance to chemical erosion, have become an indispensable key refractory material in … Lire la suite

What are Ceramic Foam Filter Sheets? Ceramic foam filter sheets are porous ceramic materials made primarily from alumina, silicon carbide, or zirconium oxide. They possess a three-dimensional, interconnected open-pore structure, resembling a sponge in appearance. Their porosity is typically between 75% and 90%, with uniform … Lire la suite

The boiler ash chamber is a critical component of the boiler system, subjected to high temperatures, ash erosion, and frequent thermal cycles. Therefore, it demands high strength, wear resistance, and thermal stability from refractory materials. Using refractory castables for solid brick forming is a mature … Lire la suite

High alumina cement (HAC), also known as calcium aluminate cement, is a specialized hydraulic binder made from alumina-rich raw materials. With an alumina content typically between 40% and 80%, it offers outstanding heat resistance, rapid strength development, and strong durability in corrosive environments. These characteristics … Lire la suite

Andalusite bricks are high-performance refractory bricks widely used in high-temperature industries such as metallurgy, glass, and ceramics due to their excellent high-temperature resistance. Their temperature resistance can reach 1700℃, mainly due to the material’s chemical composition, crystal structure, and advanced firing process. Firstly, from a … Lire la suite

I. Introduction to Refractory Materials Refractory materials are inorganic non-metallic materials that maintain strength and stability at high temperatures. They are widely used in metallurgy, cement, power, petrochemical, and environmental protection industries. Main types include high-alumina bricks, clay bricks, refractory castables, refractory cement, insulating bricks, … Lire la suite