Section 05 MINERAL PRODUCTS 27 Mineral fuels, mineral oils and products of their distillation; bitumi nous subs 27 13 Petroleum coke, petroleum bitumen and other residues of petroleum oils or of oil 27 13 11 27 13 11 00 Commodity Code Description 27 13 11 00 00 -- Not calcined 27 13 12 00 00 -- Calcined 27 13 20 00 00 - Petroleum bitumen 27 13 90 00 00 - Other residues of petroleum oils or of oils obtained from bituminous minerals