The chemical formula of high-purity alumina for circuit board substrates is Al₂O₃.
High-purity alumina is the basic material for manufacturing semiconductor components and printed circuit boards. It has good chemical stability, strong heat resistance, high dielectric properties and mechanical strength, and can meet the requirements of high temperature, high pressure, high speed, etc. of PCB substrates. Require.
High-purity alumina is a white amorphous powder, also known as aluminum oxide, with a molecular weight of 102. It is a chemical. It is an oxide of aluminum. It is a white solid at room temperature, is insoluble in water, and has a melting point of 2050℃, boiling point 2980℃, true density 3.98g/cm3.