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SITCSection 5
U.S. imports of low-density polyethylene (ldpe) in primary forms (SITC 57111) totaled $57.6M in April 2026, traded with 42 countries.
Importers of Low-Density Polyethylene (LDPE) in Primary Forms paid $1.6M in duties in April 2026 — an effective duty rate of 15% on $10.1M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataPolyethylene with a specific gravity below 0.94 — the density threshold that distinguishes low-density polyethylene (LDPE) and linear low-density polyethylene (LLDPE) from their high-density counterpart — is a foundational petrochemical resin for flexible packaging, agricultural film, wire and cable insulation, and coatings. The specific gravity specification is the critical classification criterion: importers must confirm density via manufacturer's technical data sheets, as a reading at or above 0.94 shifts the product to the HDPE heading. This resin category has significant Section 301 tariff exposure depending on origin, making supplier geography a key landed-cost variable.
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Specific gravity for polyethylene is typically measured by the manufacturer using ASTM D792 or ISO 1183 test methods and reported on the product's technical data sheet or certificate of analysis. Importers should retain these documents as part of the entry record, as CBP may request them to verify that the declared specific gravity is below 0.94 and the classification is correct.
Yes — both conventional LDPE and linear low-density polyethylene (LLDPE) have specific gravities below 0.94 and are therefore classified together under SITC 57111 when in primary forms. The distinction between LDPE and LLDPE matters commercially (they have different melt-flow and mechanical properties) but does not create a separate SITC classification at this level.
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Monthly import values over time