Screening in Yekaterinburg

The production of crushed stone is based on crushing rocks (gravel, boulders). In the process, "sand" is formed – stones with a fraction less than 5 mm. According to GOST 8267-93, such material is considered waste, but it is allowed to be used in construction. Such screening, according to the privacy policy, is regulated by GOST 31424-2010 and is delivered to the consumer both in bags and in bulk with delivery.

What is the screening of crushed stone and how does it differ from the usual ...