Potassium formate has the characteristics of high solubility, less acidic (less corrosive), is more effective deicer at colder temperatures, and is biodegradable. It is understood that 70% potassium formate degrades to water carbon dioxide within 28 days, make it less persistent than chloride brines. In fact, its biodegradability is more rapid than that of glycol-based solutions and the environmental load is relatively small. In addition, potassium formate is less corrosive than chloride brine deicers such as rock salt, calcium chloride, or magnesium chloride. Chloride brine deicers corrode the steel on bridges and automobiles.
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