G-Force hockey ball containing liquid to prevent it from bouncing. Ideal for use in cold conditions due to its softness.
|
Hardness |
Soft |
Semi-hard |
Hard |
Extra hard |
|
Temperature oC |
less than -1 |
-1 to 15 |
15 to 25 |
more than 25 |
|
Temperature oF |
less than 30 |
-30 to 60 |
60 to 75 |
more than 75 |
