Sand and gravel are now the most-extracted materials in the world. But the decline of available natural resources and the negative impact of natural sand’ extraction on the environment raised awareness of the need to find other solutions.
Manufactured sand produced by crushed rock is being considered as an appropriate alternative.
These screens consist of a welded mesh of steel bars. The upper surface, in contact with the product to be screened, is always installed parallel to the direction of material flow.