Aluminium Oxides

Al2O3 ,(Aluminium oxides) are chemical compounds with white or clear appearance that can be found in the nature as the mineral corundum.

Aluminium Oxide Specifications

CrystalGranule1-3 mm
3-5 mm
99.99%1 Kg/BagAvoid exposure to sunlight & acid
Keep dry
SinterTablet9×5 mm
Upon demand

Characteristics of aluminium oxide

CAS NumberDensity (g/cm3)Boiling point (Cº)Melting point (Cº)Refractive index at 550 (nm)Transparency range (µm)Evaporation source
1344-28-13.6297720201.540.17-9B(W), E
ApplicationsAR coating; Glasses coating; Protective coating

Aluminium Oxide Evaporation technique

To evaporate thermally aluminium oxide it is required high temperatures to obtain reasonable deposition rates. Electron beam evaporation is preferred for depositing aluminium oxide films as the material is rated excellent for this method. It can be evaporated from a tungsten crucible liner or from the copper hearth.

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