Alibaba offers 4,578 bulletproof ceramics products. about 29% of these are other police & military supplies, 9% are bullet proof vest, and 7% are ceramics. a wide variety of bulletproof ceramics options are available to you, such as free samples, paid samples. We are a premier online security products industry directory that delivers the most comprehensive guide to the latest in security products. our ceramic bulletproof plate manufacturers & suppliers, ceramic plate wholesalers and ceramic bulletproof plate offer dependable safety and security products at competitive price. protect your family and home. Tags: ceramic b4c tiles bulletproof tiles boron carbide bulletproof armor tiles carbide boron bulletproof plate boron carbide (b4c) tiles ceramic bulletproof armor plate us $ 15.8 Production show high purity boron carbide price 99% b4c powder boron carbide produc description boron carbide, black powder, is the hardest of the conventional abrasives. its mohs hardness is 9.36, melting point 2350℃, density 2.51g/cm3.