... heat conducitivity in some degree.It is suitable for make grinding wheels,cutting wheels,mounted wheels,oil ... stone,abrasive media,and also suitable for surface gringing,lapping or polishing.The abrasive products ... Leather,Rubber,Wood,ceramic,ect.It is also broadly used as high-grade refractory material and metallurgical additive. ... ~75 5.00 4.00 Black carborundum silicon carbide ferroalloy