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SITCSection 5
U.S. imports of vinyl chloride–vinyl acetate copolymers, primary forms (SITC 57391) totaled $4.3M in July 2026, traded with 10 countries.
Importers of Vinyl Chloride–Vinyl Acetate Copolymers, Primary Forms paid $596K in duties in July 2026 — an effective duty rate of 14% on $4.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Vinyl Chloride–Vinyl Acetate Copolymers, Primary Forms imports of $4.3M in July 2026 ran 11% above the year-to-date monthly average of $3.9M.
Last updated: July 2026 dataVinyl chloride–vinyl acetate (VC/VAc) copolymers are widely used in coatings, adhesives, and flooring binders, where the vinyl acetate content modifies solubility and adhesion relative to homopolymer PVC. The ratio of vinyl chloride to vinyl acetate monomer units is the critical specification that determines both end-use suitability and correct tariff classification. Suppliers in Asia, particularly China, are significant sources, making Section 301 tariff exposure a routine cost consideration for US compounders and formulators.
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142 shipments/mo
Basic heading 325 of 465 in section 5
Basic heading 57391 · $4.3M of $28.9B
Customs classification typically requires the weight percentage of each monomer unit. The vinyl acetate content in particular can shift classification between vinyl chloride copolymer headings and other polymer categories, so a technical data sheet or certificate of analysis should accompany the entry.
VC/VAc copolymers are primary inputs for solvent-based coatings, heat-seal lacquers, vinyl flooring adhesives, and magnetic tape binders. Their balance of chemical resistance and adhesion makes them preferred over straight PVC in formulations requiring solubility in ketone or ester solvents.
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Imports · July 2026
origin
Germany and Thailand together supply 65% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$4.3MYoY · Pro
Exports
$1.0MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.