3603.60.00.00
Electric detonators
Classification path
- Safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators
- Electric detonators
Rates of duty
- General (MFN)
- 0.2%
- Column 2Cuba, North Korea, Russia, Belarus
- 0.3%
- Unit of quantity
- No.
Trade agreement rates
Related lines in heading 3603
About heading 3603
Safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators
Heading 3603 covers the initiating and ignition hardware used with explosives and pyrotechnics: safety fuses, detonating cords, percussion and detonating caps, igniters and electric detonators. It is split by function, with the fuse and cord lines at one rate, percussion caps slightly higher, and the cap, igniter and detonator lines at a low rate. All six lines are declarable at the 10-digit level.
Full guide to heading 3603Products in this heading
- Safety fuse for blasting, on a reel
- Detonating cord (Primacord type) for connecting charges
- Percussion caps for firearms ammunition or cap guns
- Detonating caps used with commercial blasting explosives
- Non-electric igniters for fireworks or pyrotechnic displays
- Electric detonators (blasting caps with lead wires)
- Igniter assemblies sold as replacement parts
Frequently asked questions
What is the HTS code for safety fuse?
Safety fuses are classified under 3603.10.00.00, with a general (MFN) rate of 3%.
What is the duty on electric detonators?
Electric detonators fall under 3603.60.00.00 and carry a general (MFN) rate of 0.2%.
How do I classify percussion caps versus detonating caps?
Percussion caps that are struck by a firing pin go in 3603.30.00.00 at a general (MFN) rate of 4.2%, while caps set off by shock or heat go in 3603.40.00.00 at 0.2%.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.