Mineral lightweight aggregate present as a powdery bulk material, useful for producing building materials, preferably lightweight plasters or lightweight panels, comprises a medium-grained fraction and a coarse-grained fraction

摘要

Mineral lightweight aggregate present as a powdery bulk material, comprises = 50 wt.%, preferably 70 wt.% a medium-grained fraction having a particle size of 0.1-1.5 mm, preferably greater than 0.2-less than 1 mm, and = 5 wt.%, preferably 10 wt.% a coarse-grained fraction having a particle size of greater than 0.5 mm, preferably = 2 mm.