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HSChapter 39
U.S. imports of non-cellular, non-reinforced unsaturated polyester plates, sheets & film, nesoi (HS 3920632000) totaled $294K in June 2026, traded with 13 countries.
Importers of Non-Cellular, Non-Reinforced Unsaturated Polyester Plates, Sheets & Film, NESOI paid $83K in duties in June 2026 — an effective duty rate of 32% on $260K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Unsaturated polyester (UPR) plates, sheets, and film in non-cellular, non-reinforced, non-laminated form are thermosetting plastic substrates used in corrosion-resistant panels, electrical insulation, and specialty fabrication. The NESOI designation at this 10-digit level means the goods do not fit more specific polyester sheet provisions, making precise material characterization — particularly confirming the resin is unsaturated rather than saturated (PET/PBT) — essential for correct classification. These materials differ from glass-fiber-reinforced polyester composites, which classify elsewhere, and from cellular (foam) polyester sheets. Importers sourcing these substrates for industrial or construction applications should document the resin chemistry to support classification and any applicable antidumping review.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
HTS 3920632000 covers non-reinforced, non-cellular unsaturated polyester sheets — meaning no glass fiber, carbon fiber, or other reinforcing material is embedded. Fiber-reinforced polyester composites classify under different headings (typically heading 3921 or chapter 70 for glass-fiber products). The presence or absence of reinforcement is the key classification criterion.
Unsaturated polyesters (UPR) are thermosetting resins that cure irreversibly, distinguishing them from saturated polyesters like PET or PBT, which are thermoplastic. This chemical distinction is determinative for HTS classification: saturated polyester sheets fall under different 10-digit lines within heading 3920, so resin chemistry documentation is essential for accurate entry.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CHINA | $201K | -- | -$201K |
| POLAND | $54K | -- | -$54K |
| CANADA | $33K | -- | -$33K |
| UNITED KINGDOM | $4K | -- | -$4K |
| LUXEMBOURG | $442 | -- | -$442 |
No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.