... refractory material as a antioxidant,boron carbide,boron carbide powder,refractory material Description:Boron Carbide is smelted from boric acid and ... applications.Applications:The main refractory usuage of Boron carbide is to add it into carbonaceous refractory material ... 325mesh, 0-200mesh, 0-100mesh.Key words:Boron carbide, b4c, boron carbide powder, refractory material BORON CARBIDE POWDER