Heading 7903
HTS code 7903 — Zinc dust, powders and flakes
- Chapter
- 79 — Zinc
- Tariff lines
- 3
- General duty
- General duty rate of 3%; 2 lines carry a specific or compound duty
Tariff lines under heading 7903
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 |
|---|---|---|---|
| 7903.10.0000 | Zinc dust (Zinc dust, powders and flakes) | 0.7¢/kg | kg |
| 7903.90.3000 | Powders (Zinc dust, powders and flakes > Other) | 0.5¢/kg | kg |
| 7903.90.6000 | Other (Zinc dust, powders and flakes > Other) | 3% | kg |
Documents required to import under 7903
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 7903?
- HTS heading 7903 covers zinc dust, powders and flakes. It sits in Chapter 79 (zinc) of the US Harmonized Tariff Schedule and contains 3 tariff lines.
- What is the duty rate for HTS 7903?
- General duty rate of 3%; 2 lines carry a specific or compound duty. 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 7903 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.