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A
Alumina
KA 13
ASIA/0012-R04/0201 page 1 of 1
Alcoa Product
ALCOA WORLD ALUMINA –
AUSTRALIA
Product Information
KA13 is a medium soda, medium
surface area alumina produced at
the Kwinana refinery. It is a
coarse, sandy alumina with low
chemical impurities.
Applications
Tabular alumina
Fused alumina
Typical Properties of KA13 Calcined Alumina
Chemical Analyses wt %
Al2 O3
Na2 O
SiO2
Fe2 O3
CaO
Particle Size (cumulative)
% on 100 mesh (150 µm)
% on 325 mesh (45 µm)
Physical Analyses
Surface Area (BET) m /g
Alpha Alumina (%)
2
Shipping Limits
99.0 min
0.30 max
0.030 max
0.030 max
0.070 max
Typical Range
99.6 - 99.7
0.13 - 0.21
0.014 - 0.023
0.010 - 0.014
0.044 - 0.050
(2)
14 max
85 min
1–7
92 – 98
20 max
15 – 19
65 – 75
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.
a
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
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