This video explains the significant price variations in Level 4 armor plates by detailing the impact of different materials used in their construction. It highlights that the ceramic strike face can be made from materials like aluminum oxide, silica, or boron carbide, with boron carbide being the hardest and allowing for thinner, higher-performing plates at a greater cost. Similarly, the backing material, commonly pressed Kevlar, can also be fiberglass, Kevlar, or UHMWPE, each with distinct performance characteristics and price points, with variations even within UHMWPE affecting affordability and performance.
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