Your Leading Alumina Supplier
Luoyang Zhongchao New Material Co., Ltd. (hereinafter referred to "ZC-TECH") is located in Industrial Cluster Zone, Henan Province, China, covering an area of more than 60 acres. Founded in 2003, it is an enterprise that integrates professional research and development, production, and sales of environmentally friendly and pollution-free new material. Its main products are aluminum based super fine flame-retardant material and magnesium based super fine flame-retardant material, special alumina, spherical alumina, boehmite, advanced ceramics, electronic ceramics and other inorganic material.
Why Choose Us?
Advanced equipment
We use advanced equipment such as ICP-OES, SEM, thermal analyzers, BET testers, and laser particle size analyzers. These tools help keep product purity, particle size, and stability under strict control.
Complete service system from pre-sale to after-sale
We offer technical advice, free samples, test reports, and custom solutions before the order. During sales, we provide clear order management, real-time tracking, and batch quality reports. After delivery, we give fast support, problem resolution, and long-term communication.
Customization
Product selection: Recommend suitable models based on customer needs.
Provide customized formula designs for special requirements such as high filling, low smoke, and halogen-free applications.
Commercial Grades of Alumina
Smelter alumina Is used in the manufacture of aluminum metal, typically in fluid bed or fluid flash calciners.
Calcined alumina May use mineralizing catalysts and contain sodium oxide as the main impurity. They improve the performance of both shaped and monolithic refractories.
Low soda alumina Is used mainly in electrical and electronic components.
Reactive alumina Has a relatively high purity and small crystal size. It is used in the production of high-performance refractories that require defined particle packing and consistent placement characteristics.
Tabular alumina Is re-crystallized or sintered alpha alumina. It is used in shaped and unshaped refractories for steel, cement, foundry, glass, petrochemical, and waste incineration applications. Non-refractory applications for tabular alumina include its use in kiln furniture and for metal filtration.
Fused alumina Is made in electric arc furnaces. The fused mass is then crushed and sized to meet application requirements.
High-purity alumina Is used in the manufacture of synthetic gem stones, laser components, and instrument windows.
Properties Of Alumina
Physical properties
Crystal structure: Alumina exists in different crystalline forms, the most common being alpha-alumina (corundum) and gamma-alumina.
Hardness: It ranks high on the mohs scale of mineral hardness, making it suitable for abrasives.which is an important physical property of alumina.
Electrical properties: Alumina is an excellent insulator with high dielectric strength, making it valuable in electrical applications.
Chemical Properties
Stability: Alumina is chemically inert and highly stable, even at high temperatures.
Amphoteric nature: Aluminium oxide (AL2o3) is amphoteric, meaning it can act as both an acid and a base. It reacts with strong bases to form salts and with strong acids to produce salts, showcasing its versatile nature.
Reactivity: It can react with various elements and compounds, including alkali metals and strong reducing agents, which is an important chemical property of alumina.
Formation of salts: It forms salts known as aluminates when reacted with acids.
Uses of Alumina
Abrasives
Alumina is widely used in a variety of industrial abrasive materials, owing to its superior hardness and strength. Similarly, alumina can be used as a coating to protect against abrasion.
Refractories
Alumina is also widely used in refractory products, due to its high melting point. It is especially suited to demanding applications where the strength of the refractory must be retained at high temperatures.
Glass
Alumina is often used in the production of glass products, lending improved strength; it has even been studied for its potential in creating an unbreakable glass.
Engineered ceramics
Alumina is also widely used in engineered ceramics, also called advanced or technical ceramics. These engineered ceramic materials are formulated for especially harsh applications that require increased wear resistance, thermal and chemical stability, and many of the other characteristics alumina possesses. Engineered ceramics have applications in industries from chemical and medical, to industrial, electrical, and more.
Certificate
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We're well-known as one of the leading alumina manufacturers and suppliers in China. Please feel free to buy high quality alumina made in China here from our factory. For price consultation, contact us.
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