3m™ lightweight body armor plates integrate hot pressed boron carbide and silicon carbide ceramic to produce rugged, multi-hit armor solutions. when high protection levels in lightweight designs are required, 3m™ lightweight body armor plates offer a versatile solution that can be designed to meet specific customer requirements. Alibaba offers 1,014 armor boron carbide plate products. about 1% of these are tool parts, 1% are moulds. a wide variety of armor boron carbide plate options are available to you, such as power tool parts, hand tool parts. Made of combination of polyethylene and boron carbide , they are meant to be worn in conjunction with a level 3a vest. only 2.5 kg / 5.5 lb, level iv buy level iv polyethylene and boron carbide plate (2.5 kg) israel-catalog Through careful manufacturing, boron carbide can be used to create the hardest and lightest parts known to be manufactured. boron carbide is: 44% lighter than titanium; 4.5x harder than rha steel; this unique combination led to the rapid adoption of boron carbide for high-end armor systems — allowing them to be lighter and more effective.