The Company SNL product for 100 years of natural sand standardized high silica, and conform ISO certified CEN, the classification for mechanical cement. Other types of sand, cement and alumina standards, mortar - sulfur and glass beads are also marketed to the sectors.

Hydraulic Binders 
quali4cation of cement, lime and road binders - physical and mechanical properties
Public Works
 field road and earthworks - density Instead, macro texture road bitumen adhesion.
Concrete, mortar
concrete surfacing pieces - e0ciency adjuvants - wear tests cobblestones
Stallions laboratories
Stallions laboratories and cement powder Reference calibration laboratory (fineness Blaine, X-ray +uorescence, ...)
Other industries
Making sand Custom all uses.