CMA – Calcium Magnesium Acetate CMA is granulated calcium magnesium acetate, a patented chemical formulation from dolomitic lime and acetic acid. It was first identified as a low corrosion, environmental alternative to road salt by the U.S. Federal Highway Administration in the late 1970’s.  It was then tested and commercially developed. Today, CMA is used … Continue reading CMA – Calcium Magnesium Acetate