... gravity 2.2~2.3, volumetric weight 1.5~1.8 and with high melting point. Fixed carbon: 80- ... It is also excellent lubrication and plasticity. 3.With stable chemical properties and corrosions resistance of acid ... , pressing die and high temp metallurgy, and with the function to prevent scale from buildup in ... . 4.In addition, graphite can prevent rusts on metal chimney, building roof, bridge and pipeline. ...