The water-soluble coolant line from American Chemical Technologies, Inc. (ACT) includes products ranging from soluble oil to full synthetic chemistry. No matter what the need, our all-purpose fluids can be used to machine aluminum, cast iron, and steel. They are formulated with specialized metal passivation agents to prevent rust and maintain acceptable microbiological activity when charged to a fresh, clean system. ACT coolants are formulated to yield excellent metal interface while maintaining sump longevity through the incorporation of state-of-the-art biocides/fungicides. Included are products designed especially for machining more challenging grades of aluminum.