A Alumina KA 01 Alcoa Product ASIA/0012-R04/0201 page 1 of 1 ALCOA WORLD ALUMINA – AUSTRALIA Product Information KA01 is a high soda, high surface area alumina produced at the Kwinana refinery. It is a coarse, sandy alumina with low chemical impurities. Applications glass making low grade ceramics thermal insulation wool Typical Properties of KA01 Calcined Alumina Chemical Analyses wt % Al2 O3 Na2O SiO2 Fe2 O3 CaO Particle Size (cumulative) % on 100 mesh (150 µm) % on 325 mesh (45 µm) Shipping Limits 99.0 min 0.60 max 0.040 max 0.040 max 0.060 max Typical Range 99.6 - 99.7 0.41 - 0.48 0.008 - 0.024 0.011 - 0.017 0.043 - 0.058 (2) 15 max 85 min 1-7 92 - 98 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 (1)