What is this HS code?
HS 2507.00.00.00 is the HTS line for Kaolin and other kaolinic clays, whether or not calcined. The base duty comes from the USITC HTS source field; final filing still depends on product specs, origin, special programs, Chapter 99, and broker review.
Description
Kaolin and other kaolinic clays, whether or not calcined
Data source and update date
Base source: USITC HTS revision feed. Retrieved: 2026-06-01; version: 2026-revision-9.