PRODUCT

High Purity Alumina Products

2019-10-24 admin
High Purity Alumina Products include High Purity Alumina Granules, High Purity Alumina pellet, Alumina Crackle Crystal and Alumina Polycrystalline.
Our company produces 5N high purity alumina products with the advantages of high purity and density, which are mainly used for production large size sapphire crystals by Kyropoulos method, EFG method, TGT method and Czochralski method etc.
 

Product
Typical Properties
5N-PD 5N-BD 5N-ACD 5N-PCD
Crystal Structure   α α α α
Appearance    White Pellet White Granules Translucent
Crackle
Ivory-white Cylinder Crystal
Bulk Density 〔g/cm3〕 3.40 3.50 3.90 3.20
Size 〔mm〕 Dia 50*H 20 Dia 2-4 By request By request
Purity(Al2O3) 〔%〕 99.999 99.999 99.999 99.999
 
 
Impurity
(by GDMS)
Na 〔ppm〕 2 2 1 2
Ca 〔ppm〕 2 2 0.5 1
Mg 〔ppm〕 1 1 0.5 0.5
Fe 〔ppm〕 1 1 0.5 1
Si 〔ppm〕 2 2 1 2
Ti 〔ppm〕 1 1 0.1 0.2
Cu 〔ppm〕 1 1 0.5 0.5
Packing 〔drum/〕 25kg 25kg 25kg 25kg