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Compared to water, oil, oil emulsions and other road dust control agents, liquid calcium chloride (CaCl2) outlasts and outperforms.

The natural hygroscopic and deliquescent properties of calcium chloride allow it to retain moisture for extended periods of time and significantly reduce road dust.
Calcium chloride is one of the most environmentally friendly dust control agents on the market, receiving the lowest toxicity rating among dust abatement products.
In addition, the chemical reaction between CaCl2 ions and clay particles in the soil structure increases road stability.

Calcium Chloride – Dust Control And Base Stabilization