UL 752 is the standard for bullet-resistant glazing. RIVER PEOPLE PLEXIGLASS (RP) explains what each level means and how much polycarbonate thickness you need.
UL 752 Levels
- Level 1: 4 shots, 9mm handgun – ~8mm PC
- Level 2: 4 shots, .357 Magnum – ~12mm PC
- Level 3: 4 shots, .44 Magnum – ~15mm PC
- Level 4: 1 shot, .30-06 rifle – ~20mm PC
- Level 5: 1 shot, 7.62mm rifle – ~25mm PC
- Level 6: 5 shots, .357 Magnum – ~30mm PC
- Level 7: 5 shots, 5.56mm rifle – ~40mm PC
- Level 8: 5 shots, 7.62mm NATO – ~50mm PC
Typical Applications
- Banks, post offices: Level 1-3
- Jewelry stores, cash rooms: Level 3-4
- Armored vehicles, embassies: Level 5-8
Thicknesses are approximate; final design depends on framing, backing and threat model. Contact us for ballistic design support.