Petroleum Coke Specification

Property Unit Guaranteed Limits Typical Characteristics
As Received 
Total Moisture % 10.0, max 4 to 8, max
Air Dried Basis 
Ash % 1.0, max 0.6 – 0.8
Volatile Matter % 8 min. 9 – 11
Fixed Carbon % 87 Approx 86
Gross Calorific Value kcal / kg 8200, min 8300 – 8500
Sulphur % Grade-A 7.0 max 6.5 – 7.0
Grade-B 7.5 max 7.0 – 7.5
Grade-C 8.5 max 7.5 – 8.5
HGI   35, min 40 – 50
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