https://www.diamondcrystalsalt.com/blog/at-what-temperature-does-salt-melt-ice

Jan 8, 2017 ... Commercially available ice melt materials include salt (sodium ... for use at temperatures above 15 degrees Fahrenheit (-9.4 degrees Celsius). ... that happens to you and all you have is salt to melt ice, what can you do? ... For instance, magnesium chloride work down to temperatures of -20 to -25 degrees.

https://www.wisn.com/article/temperatures-too-cold-for-salt-to-melt-ice-snow-1/6313263

Jan 14, 2013 ... Temperatures too cold for salt to melt ice, snow ... concentrated salt and water solution can work when temperatures go below 32 degrees.

https://science.howstuffworks.com/nature/climate-weather/atmospheric/road-salt.htm

Jan 24, 2019 ... Road salt is used to melt ice in the winter. ... A 10-percent salt solution freezes at 20 degrees Fahrenheit (-6 Celsius), and a 20-percent ... and will help reduce the amount of road salt trucks will need to spread to de-ice later.

https://www.ahs.com/home-matters/quick-tips/how-to-make-ice-melts-without-rock-salt

Table salt for ice melts. Table salt. Instead of rock salt, you can sprinkle a thin layer ... It has a freezing temperature of about -20 degrees Fahrenheit, which slows ...

https://www.cleanlink.com/hs/article/Ice-Melt-Dos-and-Donts--5191

Sep 1, 2006 ... Product packaging will also warn against using ice melt on a roof, and that rock salt spread on a parking lot will eventually find its ... For example, solid sodium chloride absorbs heat and is effective down to about 20 degrees.

https://www.hunker.com/13419195/what-type-of-salt-melts-ice-the-fastest

Rock salt has been a staple in the ice-melting industry for a long time and is still ... and will not melt ice when temperatures are below 20 degrees Fahrenheit.

https://www.doityourself.com/stry/using-salt-to-melt-ice

Adding salt to ice will lead to a lower melting/freezing point of water. ... that contains 10 percent sodium chloride will freeze at about 6 degrees C or 20 degrees F. ... In addition, salt may accumulate on the surfaces it is applied and will lead to a ...

http://www.rochdale.gov.uk/parking-roads-and-transport/gritting-and-winter-service/Pages/salt-myths-facts.aspx

Myth: Spreading salt on to ice or snow will melt and remove it quickly without any ... However it is only once the temperature gets below -40 degrees centigrade that the air ... are sent from both stations to the Met Office every 10 or 20 minutes.

https://www.chicagotribune.com/news/ct-xpm-2001-11-08-0111080209-story.html

Nov 8, 2001 ... However, as the temperature falls below 10-15(degrees), salt loses its melting power ... Chemicals exist that melt snow and ice at temperatures well below ... with temperatures in the 20s or lower 30s, untreated salt does an effective job. ... His weather forecasts can be seen Monday through Friday on WGN ...

https://phys.org/news/2019-02-salt-doesnt-ice-winter-streets.html

Feb 1, 2019 ... The degree of freezing point depression depends on how salty the ... Salt that's dumped on top of ice relies on the sun or the friction of car ... over it to initially melt the ice to a slush that can mix with the salt and ... 20 shares.