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SITCSection 5
U.S. exports of polyvinyl chloride (pvc), unmixed, in primary forms (SITC 57311) totaled $186.8M in July 2026.
Importers of Polyvinyl Chloride (PVC), Unmixed, in Primary Forms paid $1.2M in duties in July 2026 — an effective duty rate of 14% on $8.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataUnmixed PVC resin — produced without plasticizers, stabilizers, or other compounding additives — represents the base polymer as it exits the polymerization reactor, typically as a fine white powder. This form is the starting point for downstream compounders who add plasticizers and stabilizers to produce flexible or rigid PVC compounds tailored to specific applications such as wire insulation, flooring, or medical tubing. The unmixed designation is a critical classification boundary: any addition of processing aids or stabilizers before export shifts the material to a mixed-PVC heading.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
440 shipments/mo
Basic heading 162 of 465 in section 5
Basic heading 57311 · $21.5M of $28.9B
The resin must be the pure polymer without deliberate addition of plasticizers, stabilizers, fillers, or other compounding ingredients. Trace residuals from the polymerization process (such as residual monomer or water) do not disqualify the material, but any intentional additive package — even a heat stabilizer added for processing — moves the product to the mixed-PVC heading.
Suspension, emulsion, and bulk (mass) polymerization are the three main commercial processes. Suspension PVC is the most widely traded form for rigid applications; emulsion PVC (paste resin) is used for plastisol applications. The polymerization process does not itself change the SITC heading, but it affects particle size and porosity, which are key purchasing specifications that buyers should confirm with suppliers.
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Exports · July 2026
destination
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$21.5MYoY · Pro
Exports
$186.8MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.