Section 06 Products of the chemical or allied 36 Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations 36 03 Safety fuses; detonating fuses; caps; igniters; electric detonators 36 03 00 Semi-fuses; elemented caps; signal tubes 36 03 00 10 Semi-fuses; elemented caps; signal tubes Commodity Code Description 36 03 00 10 00 Semi-fuses; elemented caps; signal tubes