Graphite ball 1.Made by high carbon powder 2.F.C2 range from 50% to 85% 3.Competitive price 4.Customerized size&service Graphite ballGraphite is a kind of crystalline or amorphous carbon,it has the color of iron black and dark grey in natural.It is mainly used for advanced refractory,high temperature and high pressure sealing material,thermal conductive lubricating material such as bricks, ...