U.S. exports of Polymers of Vinyl Esters N.E.S. & Other Vinyl Polymers in Primary Forms (SITC 57592) totaled $68.3M in August 2026.
Importers of Polymers of Vinyl Esters N.E.S. & Other Vinyl Polymers in Primary Forms paid $2.1M in duties in August 2026, an average duty rate of 10.89% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataBeyond polyvinyl acetate, a range of vinyl ester polymers — including those based on vinyl propionate, vinyl laurate, and other long-chain vinyl esters — along with miscellaneous vinyl polymers such as polyvinyl formal and polyvinyl butyral (PVB), are captured in this residual category. Polyvinyl butyral is commercially significant as the interlayer resin in laminated safety glass for automotive and architectural applications, making this heading relevant to both the glass and transportation industries. Classification into this NES category requires confirming that the polymer is not more specifically provided for under vinyl acetate, vinyl chloride, or styrene headings. Importers of PVB film or resin should be aware of potential Section 301 tariff applicability on Chinese-origin goods.
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342 import shipments a month
Automotive glazing manufacturers and architectural glass processors are the dominant end-users of PVB resin and film, where it functions as the adhesive interlayer in laminated safety glass. Electronics and photovoltaic module manufacturers also use PVB as an encapsulant, making this a cross-sector industrial input.
The importer should provide a technical data sheet identifying the monomer composition, degree of polymerization, and any copolymer ratios. If the dominant monomer is not vinyl acetate, vinyl chloride, or styrene, and the product is not polyvinyl alcohol, the NES heading is typically appropriate — but a binding ruling from CBP can provide certainty for high-volume shipments.
Basic heading 86 of 465 in section 5
Basic heading 57592 · $68.3M of $26.2B
Exports · August 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.
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Imports
$19.5MYoY · free account
Exports
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12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $242.4M of Polymers of Vinyl Esters N.E.S. & Other Vinyl Polymers in Primary Forms and exported $742.3M.
Through August 2026. Source: U.S. Census Bureau.