Lead Azide Initiating Explosive from Japan
Lead azide is a primary high explosive used in detonators and primers for initiating secondary explosives. It falls under HTS 3602.00.00 as a prepared explosive, other than propellants, due to its extreme sensitivity to friction and impact.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Requires Class 1.1A labeling; test for azide content to prevent misclassification
• Federal explosives license mandatory; state end-use to mining or R&D
• Store and transport under nitrogen to prevent decomposition during customs