Does more alumina content, the quality of alumina ceramic is better?

Alumina ceramic is typically white, but it can also come in other colors such as pink, yellow, and green depending on the specific manufacturing process and additives used.

Generally speaking, a higher alumina content in alumina ceramic will result in a better quality product. This is because alumina is the primary component of the ceramic and it provides many of its desirable properties such as high hardness, resistance to wear and corrosion, and high temperature stability. However, other factors such as the manufacturing process and the purity of the raw materials used can also affect the quality of the alumina ceramic.