Boron carbide engineering ceramics are always used as neutron absorbing materials and nuclear engineering ceramic materials in the nuclear industry, bulletproof plates in the military industry, sandblast nozzles and sealing rings in the airplane or tanks armor plate industry. Sep 04, 2017u00a0u00b7 boron carbide b4c bulletproof ceramic plate , find complete details about boron carbide b4c bulletproof ceramic plate,bulletproof ceramic plates,bulletproof steel plate,ceramic plates from other metals & metal products supplier or manufacturer-hunan high broad new material co., ltd. Boron carbide is a hard boron-carbon ceramic material used in tank armor, bulletproof vests, engine sabotage powders, neutron absorber, cutting tools and dies and in brake linings of vehicles. it acts as an antioxidant additives in magnesia-carbon bricks. Using boron carbide ceramics gives it an incredibly low weight of 9.26 ftu2013 and it is among the lightest, and subsequently most expensive, level iv plates in the world. made for the toughest tasks, this plate delivers the very best ballistic protection for the most demanding missions.