HS Code 2507.00 : Kaolin and other kaolinic clays, whether or not calcined
The 6-digit Harmonized System (HS) code for kaolin and other kaolinic clays, whether or not calcined is 2507.00. Under the 2026 United States (USITC HTS), the representative MFN general duty rate is Free [USITC HTS 2026].
Import Duty Rates by Destination
MODULE 5: US IMPORT DUTY & FEE BREAKDOWN (LANDED COST STACK)
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 2507.00
Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 2507.00.
MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
Certificate of Origin (If Claiming FTA)
Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| P | United States-Mexico-Canada Agreement (USMCA) | Free | Must meet USMCA Regional Value Content (RVC) or tariff shift rules. |
| KR | U.S.-Korea Free Trade Agreement (KORUS) | Free | Direct shipment from South Korea with KORUS Certificate of Origin. |
| AU | U.S.-Australia Free Trade Agreement | Free | Wholly obtained or tariff shift rule under US-Australia FTA. |
| A / D | GSP / African Growth & Opportunity Act (AGOA) | Free | 35% local value-add requirement for beneficiary country origin. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: Official CBP CROSS Binding Classification Rulings
No ruling cached for HS 2507.00.
Query the live U.S. Customs and Border Protection e-Rulings database:
Search Live CBP CROSS Database for 2507.00 →US National HTS Tariff Lines (2507.00)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 2507.00.00.00 | Kaolin and other kaolinic clays, whether or not calcined | Free | Free | $2.46/t | t |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|
MODULE 13: Industry Classification & Crosswalk Mesh (NAICS & Schedule B)
Official Primary Sources & Authority References
USITC HTS Chapter 25 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for Kaolin and other kaolinic clays, whether or not calcined.
CBP CROSS Ruling Database (2507.00) ↗
Binding customs classification precedents for Heading 2507.