What is HTS code 7603?

HTS heading 7603 covers aluminum powders and flakes. It sits in Chapter 76 (aluminum) of the US Harmonized Tariff Schedule and contains 2 tariff lines.

What is the duty rate for HTS 7603?

General duty rates from 3.9% to 5%. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.

How many digits does a full HTS code have?

US import entries require the full 10-digit HTS code. Heading 7603 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Heading 7603

HTS code 7603 — Aluminum powders and flakes

Chapter: 76 — Aluminum
Tariff lines: 2
General duty: General duty rates from 3.9% to 5%

Tariff lines under heading 7603

Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.

HTS code	Description	General rate	Unit
7603.10.0000	Powders of non-lamellar structure (Aluminum powders and flakes)	5%	kg
7603.20.0000	Powders of lamellar structure; flakes (Aluminum powders and flakes)	3.9%	kg

Documents required to import under 7603

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

Commercial InvoiceRequired
Packing ListRequired
Bill of Lading / Airway BillRequired
CBP Entry Summary (7501)Required
Prepared and filed by your customs broker
CBP Entry / Release (3461)Required
Prepared and filed by your customs broker
Customs Bond (CBP 301)Conditional
Required for formal entries — generally shipments valued over $2,500
Single-entry or continuous bond, obtained through your broker or a surety
Importer Security Filing (ISF "10+2")Conditional
Required for ocean freight only
Filed electronically at least 24 hours before loading at the foreign port
Importer ID Input Record (CBP 5106)Conditional
Required to establish or update your importer-of-record number with CBP
One-time setup for a new importer; not filed per shipment
Entry Manifest (CBP 7533)Conditional
Alternative to the 3461 for informal, low-value, or contiguous-country entries

Common questions

What is HTS code 7603?: HTS heading 7603 covers aluminum powders and flakes. It sits in Chapter 76 (aluminum) of the US Harmonized Tariff Schedule and contains 2 tariff lines.
What is the duty rate for HTS 7603?: General duty rates from 3.9% to 5%. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
How many digits does a full HTS code have?: US import entries require the full 10-digit HTS code. Heading 7603 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Tariff lines under heading 7603

Documents required to import under 7603

Common questions

Related headings in Chapter 76