Is calcium chloride used for dust control corrosive to vehicles?
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Noticeable vehicle corrosion is not likely to be associated with
dust control applications of calcium chloride. First, the application
rate is relatively low, so there is not much calcium chloride available to
come into contact with passing vehicles. Second, the calcium chloride
tends to remain in the road bed. If it didn't, it wouldn't control dust
very well because it would disappear from the road after a
short while. If it is suspected that a vehicle has come into contact
with calcium chloride, a basic wash of the vehicle will remove this
highly soluble salt.
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