High Purity Alumina Products
High Purity Alumina Products include High Purity Alumina Granules, High Purity Alumina pellet, Alumina Crackle Crystal and Alumina Polycrystalline.
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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.


ProductTypical Properties5N-PD5N-BD5N-ACD5N-PCD
Crystal Structure
αααα
Appearance 
White PelletWhite GranulesTranslucentCrackleIvory-white Cylinder Crystal
Bulk Density〔g/cm3〕3.403.503.903.20
Size〔mm〕Dia 50*H 20Dia 2-4By requestBy request
Purity(Al2O3)≥〔%〕99.99999.99999.99999.999
  Impurity≤ (by GDMS)Na〔ppm〕2212
Ca〔ppm〕220.51
Mg〔ppm〕110.50.5
Fe〔ppm〕110.51
Si〔ppm〕2212
Ti〔ppm〕110.10.2
Cu〔ppm〕110.50.5
Packing (As per customer’s requests)〔drum/〕25kg25kg25kg25kg


5N-PD     5N-BD
5N-ACD  5N-PCD


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