Repulsive Grenades are the throwable version of a Repulsive Explosives.
The grenades, upon detonation, push players away from the detonation site in the same fashion as the repulsive explosive. The Repulsive power of these grenades are quite strong, pushing players away approximately 10 blocks.
Repulsive grenades can be used to jump decently large distances if used properly. This can be accomplished by throwing the grenade and running past it, jumping at the perfect time. If done correctly, you will be launched 11 blocks.