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usga Company


Supplies volcanic ash for use as a concrete additive and absorbent. Includes product list and specifications. Western Pozzolan Corp manufactures Lassenite-SR, a natural siliceous (amophous) mineral made from the layers of diatoms and volcanic tuffs of Northern California's Cascade range, and Absorbs-All, the only product of its kind made from natural pozzolan.
Country: United States