Ship & Customs · HS Chapter 45
HS codes, chapter 45.
The 3 four-digit headings of Harmonized System chapter 45, 4501 to 4504, as published in the US Harmonized Tariff Schedule. Each heading opens the free lookup with its ten-digit statistical lines, the Schedule B export numbers that share its first six digits, and the general duty rate on every line.
Catalog snapshot: August 23, 2026. Source: USITC Harmonized Tariff Schedule headings in the RevAddress tariff catalog.
| Heading | Covers |
|---|---|
| 4501 | Natural cork, raw or simply prepared; waste cork; crushed, granulated or ground cork |
| 4503 | Articles of natural cork |
| 4504 | Agglomerated cork (with or without a binding substance) and articles of agglomerated cork |
A four-digit heading is the family; customs forms want the full code. USPS customs forms take the ten-digit HTS number on outbound mail, and export filings take the Schedule B number. Open a heading in the lookupto pick the exact line, or search by what the product is in plain words.
Classifying more than one product?
The lookup is free with no daily cap. A whole catalog is one file: upload it and every SKU comes back with its HS heading, the ten-digit candidates, and the duty path, from $47.
Classify a catalog