Crushed stone-sand mixture (CSM) C5 is a non-metallic material of natural origin, a by-product of quarry extraction of building stone (dacite) with grain size from 0 to 40 mm. It is produced by removing quarry fines before the crushing stage on a grate screen.
It is used for arrangement of main and additional layers of road cushion, finishing of roadsides and repair of roadbed.
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