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 |