Paintball Fill and Propellant (PEG-Based Fill, Gelatin Shell, CO2/HPA Propellant, Impact Injury, Eye Safety) — outdoor safety profile

What is this product?

Paintball projectiles consist of a gelatin shell (pharmaceutical-grade bovine or porcine gelatin identical to capsule-grade) filled with a mixture of polyethylene glycol (PEG), sorbitol, water-soluble dye (typically food-grade FD&C colors), and water. The fill is engineered to be non-toxic, washable, and biodegradable — PEG is FDA GRAS and widely used in cosmetics, pharmaceuticals, and food processing. Propellant systems use compressed CO2 (12-gram cartridges or 20-oz tanks) or high-pressure air (HPA, 3000-4500 PSI nitrogen/air). The primary safety concern is not chemical but ballistic: paintballs exit markers at 250-300 feet per second (fps), delivering 10-15 joules of kinetic energy — sufficient to cause severe ocular trauma (hyphema, lens dislocation, vitreous hemorrhage, retinal detachment, globe rupture) if eye protection is absent or fails. The American Academy of Ophthalmology reports paintball as a leading cause of sports-related eye injuries requiring emergency treatment, with 85% of injuries occurring when masks are removed during play. Secondary concerns include CO2 frostbite from high-flow tank discharge, noise exposure from markers (120-130 dB peak), and skin injury from close-range or high-velocity impacts (bruising, skin lacerations from frozen or oil-based paintballs in unsanctioned modifications).

What's in it

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