Quartz sand – SiO2 (silicon dioxide). It is he mineral, almost does not contain impurities, only a few percent can be foreign inclusions.
Quartz sand belongs to substances that are resistant to chemical and mechanical influences, as well as perfectly tolerate atmospheric influences and high temperatures.
Quartz sand belongs to the materials of a wide range of applications and is used in construction, as well as for the production of: glass, earthenware, casting molds, etc.