Gives the properties of lightweight aggregates and lightweight filler aggregates obtained by processing natural, manufactured or recycled materials and mixtures of these aggregates for use in concrete, mortar and grout in buildings, roads and civil engineering works. It covers lightweight aggregates of mineral origin having particle densities not exceeding 2000 kg/m[3] (2,00 Mg/m[3]) or loose bulk densities not exceeding 1200 kg/m[3] (1,20 Mg/m[3]).