What is this HS code?
HS 3904.40.00.00 is the HTS line for Other vinyl chloride copolymers. 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
Other vinyl chloride copolymers
Data source and update date
Base source: USITC HTS revision feed. Retrieved: 2026-06-01; version: 2026-revision-9.