B4c boron carbide bulletproof body armor plate,boron carbide tiles , find complete details about b4c boron carbide bulletproof body armor plate,boron carbide tiles,boron carbide plate,boron carbide tiles,b4c boron carbide bulletproof body armor plate boron carbide tiles from bullet proof vest supplier or manufacturer-hunan high broad new material co., ltd. Boron carbide, b4c, is an extremely hard ceramic material discovered in 1899. it is the third hardest materials known, after diamond and cubic boron nitride. the mohs hardness of this boron carbide ceramic is about 9.49 and it was applied widely in For the most part, standard sapi plates are designed and manufactured using boron carbide or silicon carbide ceramic plates. these are ballistic-grade and can easily deflect or stop small arms fire. each plate is rigorously tested to ensure that its material is thick enough to save a life, and the material is also light enough to not encumber ... Nanoarmor was formed as a spin-off of specialty chemical company drywired in 2014. that same year, nanoarmor launched the world’s first anti-ballistic deflection technology incorporated into a hard armor application. the rifle plate technology was 3 ounces too heavy for most military and law enforcement clients.