Importers must obtain an import permit from the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) before bringing explosive materials into the US. Shipments must also comply with DOT hazardous materials regulations governing packaging, labeling, and transport mode, and standard CBP entry procedures apply at the port of entry.

Yes, NAICS 32592 covers both bulk explosive formulations (such as ANFO and emulsion explosives) and accessories including detonators, blasting caps, safety fuses, and detonating cord. However, these product types may be classified under distinct HTS headings, each with its own duty treatment and regulatory requirements.