Fused alumina is a high-performance abrasive material produced by fusing alumina (aluminum oxide) in an electric arc furnace at very high temperatures. This process results in a tough, durable, and thermally stable material widely used in abrasives, refractories, polishing, and high-performance coatings. The most common types of fused alumina are brown fused alumina and white fused alumina, each serving specific industrial needs.
Fused alumina is produced by melting alumina at high temperatures (around 2000°C) in an electric arc furnace. This results in a dense crystalline material known for its high hardness, thermal stability, and chemical resistance. It is primarily used for abrasive and refractory applications, where strength, wear resistance, and heat resistance are essential.
There are several types of fused alumina, each with different properties suited to specific applications:
Brown fused alumina is made from bauxite and is the most commonly used form of fused alumina. It has a mixture of aluminum oxide and iron oxide, giving it a tougher, more abrasive nature. It is widely used in abrasive products such as grinding wheels and cutting tools.
White fused alumina is produced by fusing high-purity alumina, resulting in a purer, more abrasive material. It is used for applications requiring precision and finer finishes, such as polishing and refractory materials for high-performance environments.
Black fused alumina is produced by fusing petroleum coke and alumina, making it suitable for high-heat applications and abrasive blasting. It is typically used in foundry coatings and grinding applications.
Fused alumina is used in various industries due to its excellent properties. Some of the key applications include:
Fused alumina is primarily used in the abrasive industry, where it is made into grinding wheels, cutting discs, and polishing pads. Its hardness and durability make it ideal for cutting, grinding, and finishing a wide range of materials.
Due to its thermal stability, fused alumina is used in the production of high-temperature refractories such as kiln linings, furnace bricks, and castables, ensuring long-lasting performance in high-heat environments.
Fused alumina is widely used for abrasive blasting applications in industries such as aerospace, automotive, and construction to clean, etch, and prepare surfaces. The abrasiveness of fused alumina makes it an ideal material for removing rust and cleaning metal surfaces.
Fused alumina is used in precision polishing of materials like metals, ceramics, and glass, providing high-quality finishes in various industrial processes.
Fused alumina is a versatile and high-performance material used in various industries, including abrasives, refractories, and surface preparation. Its hardness, thermal stability, and chemical resistance make it essential for industrial applications that require durability and performance. If you are looking for high-quality fused alumina, contact [Your Company Name] for top-tier products to meet your industrial needs.
Brown fused alumina is tougher and is used for general abrasives, while white fused alumina is purer and used for precision grinding and polishing.
Yes, fused alumina is recyclable and reusable in abrasive blasting and surface preparation applications.
Fused alumina is used in industries such as abrasives, refractories, automotive, aerospace, and construction for grinding, cutting, and polishing.
Tags: Black Silicon Carbide, White Fused Alumina, Brown Fused Alumina, Pink Fused Alumina, Black Fused Alumina
