UL752 Level 6 Bulletproof Glass
UL752 level 6 bulletproof glass protects against common handgun rounds. It specifically is tested to protect against the 9mm full metal copper jacket with lead core projectile. This standard of bullet resistance is relevant for both vehicle armor and building armor. The UL752 rating system helps understand ballistic protection levels for glass.
Truth In Bulletproof Terminology
The truth is that no product is 100% bulletproof. Each product is bullet resistant up to different levels of threats. Products are designed, tested, and designated into categories of ballistic performance. The Underwriter’s Laboratory (UL) sets forth the UL752 Standard for Bullet-Resisting Equipment.
UL752 Ratings Do Not Allow Spalling
The UL752 specifications do not allow for spalling. Spalling is the deformation and fragmentation of a material such as glass after an impact.
“1.2 As used in these requirements, the term “bullet-resisting” signifies that protection is provided against complete penetration, passage of fragments of projectiles, or spalling (fragmentation) of the protective material to the degree that injury would be caused to a person standing directly behind the bullet-resisting barrier.” – standardscatalog.ul.com
To be certified as UL752 compliant each product must be tested to offer absolute protection. If a product spalls after impact and the shrapnel that could injure occupants of a building or vehicle it will not pass as a UL752 certified product.
UL752 Level 6 Specifications
To pass a UL752 ballistic test, a product must stop 5 shots of 9mm full metal copper jacket with lead core. The projectile for testing is a 124 grain bullet moving between 1,400 and 1,540 feet per second. This means that this level of projection will protect from 9mm handguns and common submachine guns such as the H&K MP5. Level 6 of the UL752 is comparable to the NIJ Rating IIIA which is defined as a 9mm full metal jacket 124 grain projectile traveling at 1,350 to 1,450 feet per second.
There are a total of 11 UL752 rating levels. If your application requires higher than a Level 6 rating please get in touch with us. We offer special threat level bulletproof glass products above the UL752 level 6.
Let us help you choose the right bullet resistant glass for your vehicle or building. We specialize in providing the protection you expect for commercial buildings, guard booths, civilian vehicles, armored transport vehicles and more.
UL752 Ratings Are Not Always Rankings
Ratings,, follow a system of levels that build upon one another. For example level 2 being superior to level 1 and so on. The UL752 system does not always work this way.
For levels 1 to 3 each progressive level is superior to the others. Once a product is rated above these levels the standard varies. Just because something is rated to withstand a level 8 threat it doesn’t mean it meets the standard for level 7 automatically. It is important to evaluate the level of expected threats and install the right type of bulletproof glass product.
Contrary to expectation, the UL752 system isn’t a matter of rankings but rather a way to describe products. This helps you, the consumer, choose the right type of bulletproof glass product for your application.