Union Européenne des Producteurs de Granulats
Europäischer Gesteinsverband - European Aggregates Association

Production and Processes

Aggregates are inert material

Primary aggregates are produced from natural sources extracted from quarries and gravel pits and in some countries from sea-dredged materials (marine aggregates).

Secondary aggregates are recycled aggregates derive from reprocessing materials previously used in construction, including construction, demolition residues and by-products from other industrial processes, like blast or electric furnace slags or china clay residues.

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