KB30

Hydrated Alumina
KB30
Hydrate
An easy to dissolve hydrated alumina for alumina chemicals production
Product Information
Product Description
KB30 has a small primary crystal size
and is a near white hydrated alumina
designed for use in color sensitive
applications and those where an easy
dissolving and clear solution is desired.
KB30 Hydrate is a hydrated alumina
precipitated in a dedicated process circuit.
Process chemistry is controlled to give a
fine product with low impurities and
organics.
The fine sizing helps make the hydrate
easy to dissolve and speeds up reaction
times while the small crystal size gives
the product exceptional grindibility .
Applications
KB30 is used for the production
of aluminium chemicals, most
commonly:
alum
sodium aluminate
polyaluminium chloride
zeolites
Typical Properties of KB30 Hydrated Alumina
Chemical Analyses, wt %
Al2O3
Al(OH)3
Na2O
SiO2
Fe2O3
CaO
Soluble Na2O
Particle Size (cumulative)
% on 100 mesh (150µm)
% on 325 mesh (45µm)
Brightness (Z%)
Shipping Limit
64.7 min
99.0 min
0.40 max
0.010 max
0.012 max
0.050 max
0.03 max
Typical Range
65.1 - 65.2
99.5 - 99.7
0.24 - 0.31
<0.004
0.005 - 0.008
0.019 - 0.026
<0.010
(1)
(2)
1 max
65 min
85 min
<0.2
>67
89 – 92
1) Approximately 2 standard deviations around the mean.
2) Electroform Screens
Information presented herein is believed to be accurate
and reliable but is not intended to meet any specification
and does not imply any guarantee or warranty by Alcoa.
Alcoa World Alumina – Australia
Cnr Davy and Marmion Streets, Booragoon, Western Australia 6154, Australia
Postal Address: P.O. Box 252, Applecross W.A. 6153, Australia
Phone:+61 8 9316 5111, Fax: +61 8 9316 5228