Gravel in Chelyabinsk

Gravel of fraction 5-20 is a natural non-metallic building material regulated by Gost 8269.0-97, consisting of gravel without the inclusion of foreign contaminants in it. This type of product is produced from the raw materials of a sand-gravel mixture with a gravel content in the sand by weight from 30% to 50%, as a result of its enrichment. The technological process of enriching (sorting) the feedstock, namely the sand-gravel mixture, is carried out using processing equipment. At this stage, clay and pulverized particles are washed out of the feedstock, granulometric fractions of sand and foreign contaminants are removed, and gravel is divided into fractions.

As a result of production and technological processes, this non-metallic building material has the following physical and mechanical properties: ...