What are the market price and practical use of bulletproof helmets?
The possible prices used on different occasions will be different or need to be selected according to the quantity and quality of demand.
October 12, 2022
How does a bulletproof vest absorb the impact of bullets?
For pistol bullets, a Kevlar coating can slow the impact. As for the rifle bullet, you need to add a steel plate on top of the Kevlar layer to weaken the impact of the bullet.
