Fixed carbon: >98.5%
Ash: <0.5%
Volatile Matter: <0.5%
Sulfur: ≤0.5%
Moisture: ≤0.5%
True Speciific Gravity:≥2.12
Calcined Needle Coke is a high quality material for manufacturing high power and ultra-high power electrodes. Graphite electrodes made of Calcined Petroleum Needle Coke have the advantages of strong thermal shock resistance, high mechanical strength, good oxidation performance, low electrode consumption and large allowable current density.