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HSChapter 36
U.S. imports of detonating caps (HS 360340) totaled $2.3M in April 2026, traded with 8 countries.
Importers of Detonating Caps paid $32K in duties in April 2026 — an effective duty rate of 10% on $314K in dutiable value, based on actual customs collections rather than the published tariff schedule. Detonating Caps imports of $2.3M in April 2026 ran 29% below the year-to-date monthly average of $3.3M.
Last updated: April 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.
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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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 3603400000 | DETONATING CAPS | $2.3M | 10.18% | $32K |
DETONATING CAPS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3603400000 | DETONATING CAPS | $5.4M |
DETONATING CAPS
7.7M no
| State | Imports | Exports | Balance |
|---|---|---|---|
| North Carolina | $2.3M | $4.0M | +$1.7M |
| Texas | $42K | $853K | +$811K |
| Utah | -- | $341K | +$341K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| WILMINGTON, NC | -- | $4.1M | +$4.1M |
| LAREDO, TX | $2.0M | -- | -$2.0M |
| GALVESTON, TX | -- | $326K | +$326K |