HS 3603 — Explosive prep.
Harmonized System heading · Chapter 36 Explosives and pyrotechnics
HS Code
4-digit heading
Chapter 36
Chapter 36 Explosives and pyrotechnics
Typical duty
By subheading & market
What HS 3603 covers
Propellants, prepared explosives, pyrotechnic articles, matches and pyrophoric alloys.
Classification notes
Hazard class and end use (match vs firework) determine classification; strict controls apply.
Back to Chapter 36
Frequently asked questions about HS 3603
What is HS 3603?
Explosive prep. is a 4-digit Harmonized System (HS) heading under Chapter 36 (Explosives and pyrotechnics). It groups goods before national 6-digit subheadings.
Which products are classified under HS 3603?
Explosive prep. covers the products described by this heading. To classify a specific good, determine the precise 6-digit HS subheading, since rates and rules apply at the subheading level.
How do I find the import duty for HS 3603 goods?
Identify the 6-digit subheading for your product, then check the MFN rate and any preferential rate for your destination market (e.g. China, the United States, the EU). 169e’s country tariff pages list rates per HS chapter.
What should I watch for when classifying HS 3603 products?
Hazard class and end use (match vs firework) determine classification; strict controls apply.