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Metallurgy & Foundry Materials

Aluminium Powder

Aluminium powder for foundry, exothermic feeder and metallurgical applications

Aluminium powder — also spelled aluminum powder — is a core input of the metallurgical and foundry industries thanks to its high reactivity and high heat of combustion. It is used in the production of exothermic feeder sleeves and exothermic powders, for deoxidation in steelmaking and in aluminothermic (thermite) reactions, as the pore-forming agent in autoclaved aerated concrete (AAC), in powder metallurgy and friction materials, as a metallic pigment in paints and coatings, and in pyrotechnic and defence applications. It can be supplied in a range of particle size distributions (micron ranges) and in spherical/atomised or flake form — contact us for the grade and granulometry that match your application. Shipped in big bags, drums and sacks, with a batch certificate of analysis available on request. Aluminium powder is a reactive, dust-forming material and must be stored dry, in sealed packaging and away from ignition sources.

Technical Specifications

Material
Aluminium (Al)
Form
Powder / Granule
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Frequently Asked Questions

What is the difference between aluminium powder, flake powder and granules?+

All three are metallic aluminium in particulate form. Flake (lamellar) grades are milled flat and typically serve as pigments and as the pore former in AAC; atomised grades are more spherical and go into exothermic feeders and powder metallurgy; granules are the coarsest. RAVMENT supplies aluminium powder in bulk in all these forms — request a quote.

What is aluminium powder used for?+

Its main uses are exothermic feeder sleeves and exothermic powders, deoxidation in steelmaking, aluminothermic (thermite) reactions, pore forming in autoclaved aerated concrete, powder metallurgy and friction materials, and metallic pigments in paints and coatings. RAVMENT exports aluminium powder in bulk — request a quote.

What particle sizes and forms are available?+

Aluminium powder is supplied across a range of micron fractions and in spherical/atomised or flake form; the right granulometry depends on the application. Contact RAVMENT for the current specification sheet and a bulk quote.