High-end ballistic inserts are developed to defeat the threat of high-velocity munitions, including brush rifle and machine gun fire. These hard armor plates are designed to be comfortable and give you as much freedom of movement as possible while offering maximum protective coverage.
This ballistic inserts are made of aluminum oxide ceramics, which has high density but low hardness. Because this material has low threshold for factory, the price is comparatively cheap. Sort by the purity, this material could divide into No. 85/90/95/99, the higher the purity, the higher the hardness and the price.