Aluminum powder is a light, silvery-white to gray, odourless powder
which is available in a range of
sizes up to 1mm. It is a reactive
flammable material. Moist aluminum powder may ignite in air, with the
formation of flammable hydrogen gas.
powder (uncoated) is also known as aluminum powder, aluminum, aluminum
flake, aluminum metal, metana.
Atomization is the process used commercially to produce the largest
tonnage of metal powders.
Atomisation methods include Rotating Electrode, Vibrating Electrode (arc),
Centrifugal (from a melt) and Rapid Solidification (eg aluminium ribbon).
However, by far the most commonly used methods are either water or gas
Atomisation processes, involving the conversion of a melt into a spray of
liquid metal droplets and the subsequent (or simultaneous) solidification
and collection of these droplets as a powder, are used extensively powder
powders are used in paints, pigments, protective coatings, printing inks,
rocket fuel, explosives, abrasives and ceramics; production of inorganic
and organic aluminum chemicals; and as catalysts. Pyro powder is mixed
with carbon and used in the manufacture of fireworks. The coarse powder is
used in aluminothermics.
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