Section 05 MINERAL PRODUCTS 27 Mineral Fuel, Mineral Oils And Products Of Their Distillation;Bituminous Substances; Mineral Waxes 27 15 BITUMINOUS MIXTURES BASED ON NATURAL ASPHALT, BITUMEN...(EG. CUT-BACKS) Commodity Code Description 27 15 00 Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum b