Section 06 Products of the chemical or allied 36 Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations 36 04 Fireworks, signalling flares, rain rockets, fog signals and other pyrotechnic articles 36 04 90 - - - Rain rockets Commodity Code Description 36 04 90 10 - - - Rain rockets 36 04 90 20 - - - Warning and distress signals 36 04 90 90 - - - Other