Graphite rod 1 F.C 99 %min Ash 0.2% max 2 Volatile 0.1% max 3 Resistivity 6-12 4 Sweet, patient and professional service Specification 1 Graphite rod 2 F.C 99 %min Ash 0.2% max 3 Volatile 0.1% max 4 Resistivity 6-12 5 Sweet, patient and professional service UsageIt is manufactured by fine grain petroleum coke. Its grain size, depending on different production processes, deeply affects the ...