Alumina Dish

Alumina ceramic dish overview

Alumina ceramic discs are precision ceramic products made of high-purity alumina (Al₂O₃), which are widely used in electronics, machinery, medical and other fields. These products usually have extremely high hardness and wear resistance, and can withstand high-temperature environments without deformation or performance degradation. Alumina ceramic discs have excellent electrical insulation and chemical stability, and do not react easily with most chemicals, which makes them perform well in harsh environments. Its production process includes key steps such as raw material preparation, molding, and sintering, ensuring high quality and consistency in the final product. Due to these properties, alumina ceramic disk products have become one of the key indispensable components in modern industry.

Advantageous features of alumina ceramic dish-shaped products

Alumina ceramic discs are prized for their unique physical and chemical properties. First, they have excellent mechanical strength and hardness, and are resistant to high friction and wear, making them suitable for applications that require long-term stable operation. Secondly, alumina ceramic discs show great resistance to temperature changes, maintaining structural integrity and functional stability at temperatures ranging from extreme low temperatures to high temperatures above 1700°C. Furthermore, the material exhibits excellent corrosion resistance and is virtually impervious to acidic and alkaline media, ensuring reliability over long periods of time. In addition, alumina ceramic discs offer good electrical insulation, which is critical for applications requiring strict galvanic isolation. Finally, alumina ceramic discs are easy to clean, smooth surface is not easy to adsorb impurities, suitable for use in sanitary conditions require high occasions.

Specifications Table for Alumina Ceramic Disc Products

Parameter	Specification
Material Composition	High-purity alumina (Al₂O₃)
Purity Level	≥99.5%
Maximum Temperature	Up to 1700°C
Thermal Conductivity	Moderate
Coefficient of Thermal Expansion	Low
Chemical Resistance	Excellent, inert to most chemicals
Dimensional Stability	High
Surface Finish	Smooth, options for polished or matte finish
Standard Sizes	Various diameters and thicknesses available
Color	White
Packaging	Individually wrapped, quantity packed

Manufacturing process of alumina ceramic dish

The manufacture of alumina ceramic disk-shaped products is a complex and precise process, covering a variety of links from the selection of raw materials to the finished product inspection. The first stage is the raw material preparation, which involves the use of high-purity alumina powders and the possible addition of small quantities of auxiliary components to adjust specific properties. Next comes the molding process, where the powder is formed into a blank of the desired shape by dry pressing, isostatic pressing, and slurry injection. Then comes the all-important sintering stage, during which the blank undergoes physical and chemical changes in a high-temperature furnace to form a dense, strong structure. The sintered product also undergoes fine processing, such as grinding and polishing, to achieve the required dimensional accuracy and surface quality. Finally, all finished products must undergo rigorous quality testing, including appearance inspection, dimensional measurements, and physical and chemical property tests, and only products that fully meet the standards can be delivered to customers.

Application areas of alumina ceramic dish

Alumina ceramic disk-shaped products find a wide range of applications in many industries due to their excellent performance. In the electronics industry, they are used as substrates or support assemblies to provide a stable platform for semiconductor devices. Especially in high-frequency circuits and microwave communication equipment, alumina ceramic discs help to improve signal transmission efficiency and reduce electromagnetic interference. In the field of mechanical engineering, these ceramic disks can be used to manufacture wear-resistant parts, such as bearing housings and sealing rings, thereby extending the service life of mechanical equipment. In medical devices, alumina ceramic discs are commonly used to manufacture components for surgical tools, dental implants and diagnostic equipment because they are harmless and easy to sterilize. In addition, they play an important role in optical instruments and chemical processing equipment, for example, as lens holders or internal components of reactors, to ensure the efficient operation and safety of the system.

Company Profile

Alumina Technology Co., Ltd.! We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs for Alumina Ceramic dish Products

Q: What is the biggest advantage of alumina ceramic discs?
A: The greatest advantages are their extreme hardness and wear resistance, their ability to maintain stable performance under extreme conditions, and their excellent chemical and thermal stability.
Q: Are alumina ceramic discs prone to breakage?
A: Although alumina ceramic discs are very hard, they may break when subjected to severe impact or improper handling. Therefore, extra care should be taken during use and handling to avoid collisions.
Q: How to clean alumina ceramic disk-shaped products?
A: Generally, it can be cleaned with mild detergent and water. For stubborn stains, it is recommended to use special ceramic cleaner, but make sure not to damage the surface coating.
Q: How high a temperature can alumina ceramic discs withstand?
A: Alumina ceramic discs can withstand temperatures up to 1700°C or more, depending on the purity of the material and the manufacturing process.
Q: How long is the service life of alumina ceramic discs?
A: The service life varies depending on the application environment and the way it is used. With proper maintenance, these products can provide a long service life, even decades.