At What Temp Does Road Salt Stop Working - Web in the highway deicing world the practical working temperature of salt is generally considered to be above 15 0 f or even 20. Web take a look at the chart above, you can see that at a temperature of 30 degrees, one pound of salt will melt 46. Web the effective temperature of road salt is over 15 or 20 degrees fahrenheit.
Web the effective temperature of road salt is over 15 or 20 degrees fahrenheit. Web take a look at the chart above, you can see that at a temperature of 30 degrees, one pound of salt will melt 46. Web in the highway deicing world the practical working temperature of salt is generally considered to be above 15 0 f or even 20.