Alumina (Al2O3) Ceramics
Alumina, or aluminum oxide Al2O3, with a molecular weight of 102, is the major source of aluminium in nature. Normal Al2O3 products have a very high melting point, which is 2,072℃. Alumina ceramic is the most common technical ceramic material and relatively traditional material. High-purity aluminum oxide ceramics as a fine ceramic material is widely used in a lot of industries.
|Color||-||Ivory||Ivory||Ivory||Ivory & White|
|Flexural Strength（Typical 20℃）||Mpa||375||370||340||304|
|Coefficient of Thermal Expansion
(25℃ to 800℃）
|Dielectric Strength （5mm Thickness)||AC-kv/mm||10||10||10||10|
|-||< 0.0001||< 0.0001||0.0006||0.0004|
|Dielectric Constant||25º C@ 1MHz||9.8||9.7||9.5||9.2|
|Volume Resistivity (20℃）
|Long-term Operating Temperature||℃||1700||1650||1600||1400|
|Thermal Conductivity (25℃）||W/m·K||35||35||34||20|
ACM offers Alumina Ceramics satisfying a wide range of customer requirements and applications. Various alumina grades and alumina purities in both porous and non-porous varieties are available. The main Applications of Alumina Ceramics are as follows:
Alumina tubes are used for industrial furnaces and thermal couple protectors. High-purity alumina materials are excellent for making parts for CVD, ion implants, photolithography, and semiconductor parts.
In traditional industries, alumina ceramics are ideal for products such as injector tubes, gas nozzles, and insulators.
Compared with metals, alumina ceramic material is extremely hard, making it an ideal material for abrasive, grinding media.
Alumina mortars and pestles are widely used in laboratories for grinding hard materials.
Alumina Ceramics have excellent biocompatibility, high strength, and high wear resistance. So, they are also ideal materials for the preparation of artificial bones and artificial joints.
ACM's product formulations are developed to address the varied application problems in which ceramic components are commonly used. Many industrial applications push the envelope on specific requirements leading to the development of new formulations to successfully address them.
|Properties||Unit||Fused Alumina||Reactive Grade Alumina||Ready To Press Alumina (RTP Alumina)||Activated Alumina|
|Specific Surface Area||m2/g||–||0.2-0.5||3.5-5||2-3||6-9||6-10||–||200-260|
Advanced Ceramic Materials (ACM) is a leading supplier of alumina ceramic products of the highest quality for a wide range of applications. We are happy to provide advice on materials, design, and application. Feel free to contact us with any questions about Al2O3 or other ceramic materials that are not listed on the website.