| Level | Threat Level | Caliber/Type | | --- | --- | --- | | I | 9mm, .357 Magnum | Handgun | | II | .357 Magnum, .44 Magnum | Handgun | | III | 5.56mm, 7.62mm | Rifle | | IV | .30-06, .30-06 AP | Rifle | | V | 7.62mm x 39mm, 5.56mm x 45mm | Rifle | | VI | .357 SIG, .44 Magnum | Handgun | | VII | 5.56mm, 7.62mm | Rifle | | VIII | .50 BMG | Large Caliber Rifle |
The is the North American benchmark for testing and certifying the ballistic performance of building materials, such as windows, doors, and wall panels. ul 752 standard pdf new
To understand the PDF, you must first understand the rating levels. The "new" UL 752 standard maintains a hierarchy of 8 primary levels (Level 1 through Level 8), plus specific ratings for shotgun and handgun threats. | Level | Threat Level | Caliber/Type |
UL 752, officially titled the "Standard for Bullet-Resisting Equipment", is a crucial document developed by Underwriters Laboratories (UL), a global safety science organization. It establishes the performance requirements for materials, devices, and fixtures used to create barriers that protect against armed attacks, including those from robbers, holdups, or snipers. While its primary focus is on equipment like security doors and transaction windows, it is also the benchmark for evaluating the bullet resistance of building components such as walls and security glazing. UL 752, officially titled the "Standard for Bullet-Resisting