Speed of melting
Link to this table

Pavement Temp. ºF One Pound of dry Salt (NaCl) melts Melt Times
30 46.3 lbs. of ice 5 min
25 14.4 lbs. of ice 10 min.
20 8.6 lbs. of ice 20 min
15 6.3 lbs. of ice 1 hour
10 4.9 lbs. of ice Dry salt is ineffective and will blow away before it melts anything
5 4.1 lbs. of ice
0 3.7 lbs. of ice
-6 3.2 lbs. of ice

This page was last edited on 16 April 2020, at 14:59.