U.S. imports of Styrene-Acrylonitrile (San) Copolymers (HS 3903200000) totaled $9.0M in August 2026, imported from 15 countries.
Importers of Styrene-Acrylonitrile (San) Copolymers paid $932K in duties in August 2026, an average duty rate of 10.79% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Styrene-Acrylonitrile (San) Copolymers imports of $9.0M in August 2026 ran 33% above the year-to-date monthly average of $6.7M.
Last updated: August 2026 dataAverage import price $1.74/kg · 172 import shipments a month
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Statistical number 1 of 1 in subheading 390320
Statistical number 3903200000 · $9.0M of $9.0M
ImportsExports
Imports
$9.0MYoY · free account
Exports
$4.5MYoY · free account
Low of 8 reported months · imports
Low · free accountThrough August 2026 · imports 8 of 12 months reported, exports 8 of 12 months reported. Source: U.S. Census Bureau.
Imports · August 2026
origin
South Korea and Mexico together supply 77% of it. Japan pays 12.9% duty; Mexico 0.0%.
customs district
None recorded for this period.
destination
Census publishes state breakdowns to the 6-digit level only. See HS 390320 for those.
entry
Census publishes port breakdowns to the 6-digit level only. See HS 390320 for those.
rate provision · imports
None recorded for this period.