Section 06 Products of the chemical or allied 36 Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations 36 04 Fireworks, signalling flares... and other pyrotechnic articles 36 04 90 Signalling flares or rockets 36 04 90 30 Signalling flares or rockets Commodity Code Description 36 04 90 30 00 Signalling flares or rockets