Tandom · Duty calculator
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
HTS 4504.10.20.00 is the U.S. Harmonized Tariff Schedule classification for Insulation, coated or not coated, of compressed cork. It's a 10-digit statistical line in Chapter 45: Cork and articles of cork, Section IX: Wood and Articles of Wood; Wood Charcoal; Cork and Articles of Cork; Manufactures of Straw, of Esparto or of Other Plaiting Materials; Basketware and Wickerwork, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
New to HTS codes? Read our guide on how HTS classification works →
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification of agglomerated cork underlayment from Portugal
The tariff classification of cork products from Portugal
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 4504.10.20.00 is the U.S. Harmonized Tariff Schedule classification for Insulation, coated or not coated, of compressed cork. It belongs to Chapter 45 of the HTSUS.
The general (Column 1) duty rate for HTS 4504.10.20.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 4504.10.20.00 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
No active AD/CVD orders currently flag HTS 4504.10.20.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
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