Sand ovrazhny (career)

Career sand - has the widest range of application, from masonry and plaster works to heavy concrete, improvement of territories, a roadwork and backfilling of the base. Various pits produce various sand under many types of works, but all of them possess one general quality, all sand correspond to GOST 8736-93. sand
Characteristics:
* Module of fineness 0,7-1,8 * Volume and bulk weight 1,41 * Coefficient of a filtration of 1,5-3 m/days. * Content of dust-like, clay particles is 3 - 9%
In production of concrete constructions sand construction plays a role of a binding filler for concrete solution.