GreyStone Aggre-Spec sand classifying and re-blending systems allow material producers to modify a natural sand blend into a high quality industry standard specification. Built for years of dependable, operator-friendly service life, GreyStone classifying tanks and system controls re-blend up to 2 standard spec products at one time. With GreyStone Aggre-Spec systems, producers can Scalp excess water, reject deleterious material, separate sand particles, and reblend up to 2 spec products simultaneously.
