There are four types of graphite electrodes : carbon, np, pi grade, hp, and uhp.
1) diameter: 100600mm(4s24s)
2) grade: rp, hp, shp, uhp
3) packing: wooden crates with steel straps
4) characteristic:
A. Superior electric conductivity
B. Superior thermal conductivity
C. Oxidation & corrosion resistance in high temperature
D. Low ash content
E. High bending strength
F. Reasonable price
