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U.S. imports of detonating caps (HS 360340) totaled $3.9M in July 2026, traded with 9 countries.
Importers of Detonating Caps paid $32K in duties in July 2026 — an effective duty rate of 10% on $313K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataDetonating caps — also called blasting caps or detonators in non-electric form — are the primary initiating device for high-explosive charges in mining, construction, and demolition. Entered under 3603400000, they require an ATF federal explosives import permit and must meet DOT hazmat transport standards. Mexico and Spain lead US imports under this heading, with Germany also a significant source, reflecting both geographic proximity and established European explosives industry expertise.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
16 shipments/mo
Subheading 3 of 6 in heading 3603
Subheading 360340 · $3.9M of $23.6M
Detonating caps (3603400000) are initiated by a burning safety fuse or detonating cord rather than an electrical signal, while electric detonators (3603600000) fire via an electric current through a bridge wire. This functional difference determines the HTS subheading and also affects ATF licensing categories and DOT transport classifications.
Imports of detonating caps originating in Mexico may qualify for preferential tariff treatment under USMCA, provided the goods meet the applicable rules-of-origin requirements. Importers should verify origin documentation carefully, as explosives supply chains can involve components sourced from multiple countries. Consult a licensed customs broker to confirm eligibility.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3603400000 | Detonating Caps | $3.9M | 0.83% | 8.13% | $32K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3603400000 | Detonating Caps | $459K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$3.9MYoY · Pro
Exports
$459KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and Peru together supply 96% of it.
customs district
destination
entry
rate provision · imports
91.9% enters free of duty; the effective duty rate is 0.83%.