1. Alumina Ceramic Sheet high temperature resistance: They can withstand temperatures up to 1600℃ in long use(Al2O3≥99%). 2. Alumina Ceramic Sheet high electrical insulation: Alumina ceramic substrates have a dielectric constant of 10 and can be used as an insulator for high voltage applications. 3. Alumina Ceramic Sheet low thermal expansion: They have a low coefficient of thermal expansion, making it suitable for applications that require a consistent temperature. 4. Alumina Ceramic Sheet chemical resistance: Highly resistant to corrosion, acids, alkalis, and solvents. 5. Alumina Ceramic Sheet high mechanical strength: Highly resistant to mechanical shock and vibration, making it suitable for use in dynamic environments. 6. Alumina Ceramic Sheet low cost: Relatively low cost compared to other materials with similar properties.