UL752 bulletproof glass standard

As we all know, it is legal to own guns in the United States, and the status of the United States' military power in the world is obvious to all. So how does the United States define the standard for bulletproof glass? The following is the definition of the relevant grades of the American bulletproof glass standard UL752.Note: The full name of this standard is Underwriters Laboritory. Standard 752. Released on January 27, 1995. Among them, the samples of bulletproof grades 1-5 were tested at -32, 13, 23, 36, 49.4℃, and the samples of bulletproof grades 6-8 were tested at 23℃.From the table, we know that the bulletproof glass UL752 1 grade can withstand 9mm pistols and 9mm×19mm bullets at a distance of 4.6 meters.

How to divide the bulletproof glass grade

Understand the classification standard of UL752 bulletproof level, let's take a look at how China divides the bulletproof level. Due to the different types and strengths of guns in the two countries, the classification of bulletproof levels is also different.

It can be seen from the above table that the American standard's bulletproof grade differentiation will be stricter and more detailed than the national standard. This is determined by combining various factors such as the political and people's livelihood needs of the two countries. In addition to the above grades, the composite glass of our national defense bombs is divided into:
For the definition of bulletproof glass grade A, grade B and bulletproof glass, please click the national standard of bulletproof composite glass

Parameters of F79B-26mm bulletproof glass

F79B grade glass has different thicknesses. Take F79B 26mm bulletproof glass as an example: 8+8+8 specification configuration, the total thickness is 26mm thick, can resist 79 type 7.62mm mini submachine gun \ 51B type 7.62mm pistol bullet (steel core) The shooting is special bulletproof glass for banks, pawn shops, jewelry cabinets and other places.