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High Purity Alumina Products - HCHPA - Professional Producer Honghe Chemical

High Purity Alumina Products

High Purity Alumina Series Products

High Purity Alumina Products

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.

Specification Details
Typical Properties Units 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 ICP-OES)
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
(As per customer’s requests)
drum
25kg
25kg
25kg
25kg