sand Spain

After more than 40 years of experience, Aizkibel S.A. specialises in the extraction, crushing and classification of limestone for the manufacture of concrete, mortar, asphalt and gravel in different varieties and granulometries.

... chemical molding process relies on the ability to form molds made of hardened sand using chemical binders. These molds are used solely for pouring a single piece, after which they are destroyed. Carousel Molding: The carousel molding process involves creating individual molds for each piece using sand with a bentonite clay binder. Demolding is much simpler, making the process more amenable to automation.