The Federal Highway Administration estimates that corrosion costs the nation's transportation industry and its infrastructure $30 billion each year. Road salt chemicals are to blame. The most destructive chemicals are magnesium chloride and calcium chloride because they cling to the underbody of vehicles and re-crystallize as they slowly dry out. These chemical crystals attract and absorb moisture from the surrounding environment, keeping them in semi-solution for extended periods of time, which multiplies their corrosive nature. The good news is trailer makers and suppliers have solutions.
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