Unwashed Asphalt Stone
Also known as fine aggregate, concrete sand, manufactured sand, ManSand, asphalt material and washed asphalt chips, Pattison produces these products in our state-of-the-art, jaw/cone crushing plant featuring compression crushing technology. It is is designed to increase fractured faces.
Unwashed Asphalt Stone Certifications
Pattison high quality Ordovician Dolomitic Limestone is used in Department of Transportation interstates and highways, hot mix asphalt roads, chip overlays, ultra thin overlays, microsurfacing, and chip seal roads.
Exceptional Quality Source Material
This material requires specific physical properties. Pattison’s quarries feature a variety of ledges that yield materials that meet our customer’s specific needs. Pattison’s UNWASHED ASPHALT STONE is produced from selected ledges of high quality rock which are durable and contain minimal deleterious material. As a result, Pattison’s UNWASHED ASPHALT STONE outperforms materials from non-Ordovician limestone quarries on freeze thaw, abrasion, specific gravity and absorption tests.
Unwashed Asphalt Stone Production
Pattison UNWASHED ASPHALT STONE is of exceptional quality and are approved by the Departments of Transportation in Iowa, Missouri, and Minnesota They are the optimal choice aggregate for asphalt and concrete material projects.
Because Pattison uses a direct to rail transfer system, these products move quickly from production to rail with minimal handling. This reduces product degradation and handling costs. Here is what Wikipedia has to say