This was originally produced by mechanical means using a stamp mill to create flakes. Subsequently, a process of spraying molten aluminium to create a powder of droplets was developed by E. J. Hall in the 1920s. The resulting powder might then be processed further in a ball mill to flatten it into flakes for use as a coating or pigment.[1] Aluminium powder features low density with high conductivity. Aluminum metal powder has diverse applications, including its use in pyrotechnics, explosives, and as a component in paints and coatings. It also finds use in specialized welding, as a deoxidizer in foundries, and in the production of certain electronics and solar cells.