Technology

There are two popular test standards for ballistic and stab body armor vest. These two specific standards for ballistic threats, stab threats, and blunt trauma are published by National Institute of Justice (USA) and PSDB (UK).

That body armor vests can stop bullets as well as resist any threatening stab is a huge misconception. If any ballistic vest user holds this false concepts, unquestionably his life will be in danger.
According to an analysis on ballistic / stab standard done by NIJ and PSDB standard, it shows that stab threat is more serious than gunfire power. Many of sharp attacks on law enforcement agencies and badly wounded attacked by knifes and sharpen point instruments in recent years, though many of them wore ballistic soft vest, they were still seriously injured because a variety of weapons.
As people perhaps know, the famous fiber manufactures, like Kevlar supplied by Du Pont, Twaron supplied by Teijin Akzon, Dyneema supplied by DSM, Spectra and Goldflex supplied by Honeywell, do not provide useful and effective fabrics to make stab vest. Most of them aim for producing ballistic vest. Therefore, if we insist on adopting the above outstanding ballistic fabrics to make stab vest, the consumption of fabrics in making stab vests will be much more than that of making ballistic soft ones. In the end, the finished products will be quite heavy and uncomfortable to wear.

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