Section 05 Mineral products 27 Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes 27 13 Petroleum coke, bitumen and other residues of petroleum oils 27 13 11 Petroleum coke, not calcined 27 13 11 00 Petroleum coke, not calcined Commodity Code Description 27 13 11 00 00 Petroleum coke, not calcined