Aluminum powders and flakes — HTS 7603
Aluminum powders and flakes
Chapter 76 › Heading 7603
2026 HTS Rev 19 Synced Rules verified Operational
Written to help non-specialists understand this page. Rates, dates, and legal facts come from the official records above and on the linked source.
HTS heading 7603 is a four-digit product category for aluminum powders and flakes. It groups aluminum in finely divided forms rather than ordinary solid sheets, bars, wire, or other larger shapes. The heading covers the product family; it does not by itself provide the complete classification needed for entry or customs paperwork.
To reach a specific eight-digit HTSUS code, first confirm that the product belongs in heading 7603, then follow the subheading structure based on the product’s physical type and characteristics. The distinction may depend on whether the material is a powder or flake and on technical features such as its particle form or structure. The final statistical digits identify the particular tariff description used by the United States, so read the complete current HTSUS wording rather than relying only on the heading title.
What to check
- Obtain the supplier’s technical data sheet and describe the product’s physical form, particle size, and manufacturing method.
- Confirm whether the material is classified as powder, flake, or another aluminum form under the HTSUS terminology.
- Compare the product with the relevant subheading notes, statistical suffix descriptions, and any applicable legal notes.
- Check whether coatings, binders, additives, or mixtures change the classification from a straightforward aluminum product.
- Ask a customs broker or obtain a formal ruling when the product’s form or composition could fit more than one provision.
HTS heading 7603 summary
Aluminum powders and flakes is a 4-digit product category containing 2 published product-code lines in this snapshot. A heading does not carry one universal duty rate; classification must be narrowed to the line matching the product facts.
How to find your code in this category
A heading is a product category. To get the exact duty, narrow from this 4-digit heading to a sub-category (usually by material), then open the 8-digit code that matches your product.
Open any code in the tables below to see its exact duty rate, a duty calculator (enter your shipment value → estimated duty and landed cost), the rate-change history chart, and the country-by-country breakdown (including Section 301/232 add-on duties).
Why you have to click in: a single category can contain products with very different duties. The rate depends on the specific product — its material and construction — and on the country of origin, and those only get pinned down at the 8-digit code level. That is why this page points you to codes instead of showing one rate for the whole category.
Product codes & duty rates
👇 Each row is a specific product code — click a blue code to open its full page with exact duty rates by country, the rate-history chart, and a duty calculator. 👉
| Code | Description | General (MFN) | Special | Column 2 |
|---|---|---|---|---|
| 7603.10.00.00 👉 | Powders of non-lamellar structure | 5% | Free | 45% |
| 7603.20.00.00 👉 | Powders of lamellar structure; flakes | 3.9% | Free | 11% |
"Special" shows the free-trade-agreement rate; open a code to see exactly which countries qualify.
Common questions
What products fall under HTS heading 7603?
Aluminum powders and flakes. To classify a specific item you must pick the matching sub-category and 8-digit code above; the right choice usually depends on the material and construction of the product.
How do I choose the right code within this category?
Start from the sub-categories (typically divided by material—for example cotton versus man-made fibers), then open the active 8- or 10-digit code that matches the product. When unsure, a licensed customs broker or a CBP binding ruling can confirm the classification.
Reference information only, not customs, legal, or classification advice. Confirm the current code and rate against the official HTS before you import.