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HS
Heading 13 of 26 in chapter 39
Heading 3903 · $110.3M of $6.4B
Supplier Network
Get discovered by U.S. importers searching for HS 3903 — Polymers of Styrene, In Primary Forms. Be the first supplier listed.
ImportsExports
Imports
$109.9MYoY · Pro
Exports
$115.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · June 2026
origin
Mexico and Korea, South together supply 64% of it.
customs district
destination
entry
rate provision · imports
54.9% enters free of duty.