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HSChapter 39
U.S. imports of poly(ethylene terephthalate), viscosity 78 ml/g or higher (HS 390761) totaled $166.1M in July 2026, traded with 48 countries.
Importers of Poly(Ethylene Terephthalate), Viscosity 78 mL/g or Higher paid $15.4M in duties in July 2026 — an effective duty rate of 14% on $109.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Poly(Ethylene Terephthalate), Viscosity 78 mL/g or Higher imports of $166.1M in July 2026 ran 42% above the year-to-date monthly average of $117.0M.
Last updated: July 2026 dataHigh-viscosity PET resin—defined by an intrinsic viscosity of 78 mL/g or higher—is the bottle-grade and fiber-grade workhorse of the polyester supply chain, used in beverage containers, food packaging, and textile filaments. The US schedule further subdivides this heading: 3907610010 covers viscosity from 78 to below 88 mL/g, while 3907610050 covers viscosity above 88 mL/g, distinctions that matter for end-use qualification and duty treatment. Mexico is the leading US import source, followed by Taiwan and South Korea. Importers should note that PET from certain origins has historically been subject to antidumping duty orders, making supplier origin verification a critical compliance step.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.3K shipments/mo
The 78 mL/g intrinsic viscosity threshold separates bottle- and fiber-grade PET (3907.61) from lower-viscosity grades used in films and coatings (3907.69). Intrinsic viscosity is typically measured by solution viscometry per ASTM D4603 or equivalent ISO methods. Importers should obtain the supplier's certificate of analysis confirming the IV value, as misclassification between 3907.61 and 3907.69 can affect both duty rates and antidumping order applicability.
Yes. The US has maintained antidumping duty orders on PET resin from several countries over the years. Importers must check current Commerce Department and ITC orders to determine whether their specific origin and product are covered, and should be prepared to post antidumping duty deposits at entry. A licensed customs broker can assist with scope rulings if the product's coverage is uncertain.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3907610010 | Polyethylene Terephthalate Visc Gt=78 Ml/G Lt=88 | $106.5M | 8.95% | 63.79% | $9.5M |
| 3907610050 | Polyethylene Terephthalate Viscsty Gt 88 Ml/G | $59.6M | 9.86% | 70.07% | $5.9M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3907610000 | Polyethylene Terephthalate Viscsty 78 Ml/G or More | $8.6M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Subheading 1 of 11 in heading 3907
Subheading 390761 · $166.1M of $421.1M
ImportsExports
Imports
$166.1MYoY · Pro
Exports
$8.6MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
33.9% enters free of duty; the effective duty rate is 9.27%.