For several decades, aluminum flakes have been playing a major part in the construction industry. Aluminum flakes are widely used in the manufacture of lightweight concrete where they have the function of generating hydrogen which gives the lightweight concrete its characteristic properties. another field of application for aluminum flake powders is their use in insulation plaster and grout formulations. in this context it can be used to positively influence water retention capacity and the amount of shrinkage. In addition, these aluminum powders are also used in the chemical industry, in pyrotechnics and safe explosives.