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Chemical Information Overview  |  Chemical Product  |  Chemical Raw Material  |  Chemical Company
Alcoa Grade C-331/333
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Hydrated alumina
21645-51-2
Color -All ALCOA White Hydrates offer whiteness.
Purity-The process unique to Alcoa results in an organic-free ATH.
Flame Retardancy-Alumina Trihydrate, a dry-white powder, contains 34.5% by weight chemically-bonded hydroxyl groups, which act as a heat-sink prior to ignition.
Smoke Suppressant - Also during combustion, ALCOA White Hydrates minimize smoke generation and in itself results in no toxic off-gases.
Non-Toxic -ATH is inately non-toxic and inert and therefore safe to handle.
Electrical Properties - High purity levels result in good arc and track resistance and low current leakage.
Abrasive Properties - ATH is a mild abrasive and emboding agent.
Versatile - ATH is free-flowing easy to handle and can be used in many formulations.
C-333 - C-33 ground to a particle size distribution with a lower iron content to achieve optimum particle packing.
White ground powder
7 p median particle size
98% thru 325 mesh
specificy. 2.42
bulk density 0.6 g/cc(loose)
surface area 3.6 m2/g
refractive index 1.57
hardness (Mohs) 2.5-3.5
65% Al2O3
Industrial field additive, civil & construction, inorganic chemicals
Alcoa World Chemicals
Phone 1-800-643-8771
Fax 1-412-490-0527
Homepage www.alumina.alcoa.com
E-mail AlcoaCustService.Pgh@alcoa.com
Address 4701 Alcoa Rd., PO.Box 300, Bauxite,AR 72011
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