High Purity Aluminum Hydroxide

High Purity Alumina Series Products

High Purity Aluminum Hydroxide

By the Bayer process, we produce High Purity Aluminum Hydroxide (Gibbsite) of 99.9% and 99.99% which appearances as white crystal powder, with uniform particle size, high purity, stable chemical properties, good crystal phase stability, and good sintering activity, AH-3N is the excellent raw material for the preparation of optical glass additives and high-purity aluminum salts, AH-4N is the excellent raw material for the preparation of high purity activated alumina, petroleum, chemical catalyst, lithium ion battery and other industries.

Specification Details
Typical Properties Units AH-3N AH-3NF AH-4N AH-4NS (milled)
Crystal Structure
α
α
β
β
Average Particle Size
(by Bettersize Laser 9300SE)
D50, um
35-45
1-3
15-20
1-3
Purity (Al2O3) ≥
%
99.9
99.9
99.99
99.99
BET Surface Area
m2/g
>250
>280
Pore Volume
ml/g
>0.3
>0.3
Impurity ≤ (by ICP-OES)
Na
ppm
<2000
<1600
<50
<50
Ca
ppm
<3
<50
<3
<3
Mg
ppm
<1
<30
<1
<1
Fe
ppm
<1
<50
<2
<2
Si
ppm
<15
<48
<20
<20
Ti
ppm
<1
<10
<1
<1
Cu
ppm
<1
<30
<1
<1
Packing
(As per customer’s requests)
drum
25kg
25kg
25kg
25kg