Gel blaster ammunition, commonly referred to as “gel balls,” consists primarily of a superabsorbent polymer. This polymer, typically a cross-linked polyacrylamide or sodium polyacrylate, exhibits the capacity to absorb and retain extremely large quantities of water relative to its own mass. Once hydrated, these small, hard pellets transform into soft, squishy orbs suitable for use in gel blaster devices.
The widespread use of this material in gel blaster projectiles stems from its biodegradability and relatively harmless impact properties. When broken upon impact, the hydrated polymer releases its absorbed water, resulting in minimal environmental impact and significantly reduced risk of injury compared to traditional projectiles. The non-toxic nature of the polymer is also a significant factor in its popularity, contributing to a safer recreational activity.