It is one of the hardest material in the world So it is used as material for producing bullet-proof products widely It is one of the hardest material in the world  So it is used as material for producing bullet-proof products widely Boron Carbide : Character3...

Boron carbide is a kind of abrasive materials which is used in refractory industry Boron carbide is a kind of abrasive materials which is used in refractory industry OriginLiaoning ChinaStatePowderMaterialBoron Carbide powderSiO21 % max.Al2O30MgO0CaO0Refractoriness 1770 --...