1
Feb.
11, 2025
The Structure and Materials of Riot Helmets
Riot helmets consist of a shell, lining, and accessories. Common materials include polycarbonate (PC), glass fiber reinforced plastic (GRP), etc. 1. Shell: The shell is the external protective layer of the riot helmet, usually made of polycarbonate (PC), which has high strength, impact resistance, scratch resistance, chemical corrosion resistance, and other characteristics. 2. Inner lining: The in
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2
Feb.
11, 2025
National Key R&D Program: Ballistic Performance of Kevlar Fiber UD Composite Materials
the UD structure was chosen as the fabric reinforcement structure. The sheet target was prepared by stacking Kevlar fiber
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14
Jul.
12, 2024
18
Jun.
14, 2024