Aluminum oxide

Appearance：colorless transparent or blue particles

Density:3.97grams per cubic centimeter

Melting point:2040℃

Solubility: insoluble in water,soluble in acid or alkali

Light transmission range:200-5000nm

Refractive index（500nm）：2.05

Evapration condition :electron  gun oxygenation

Evapration temperature:2000-2200℃

Purity:99.99%