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SITCSection 6
U.S. imports of articles of unhardened noncellular vulcanized rubber, nes (SITC 62999) totaled $419.6M in April 2026, traded with 108 countries.
Importers of Articles of Unhardened Noncellular Vulcanized Rubber, NES paid $41.1M in duties in April 2026 — an effective duty rate of 15% on $276.1M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataSolid (noncellular) vulcanized rubber articles not elsewhere specified serve as a catch-all for a wide range of engineered rubber components — from mechanical seals and vibration dampeners to conveyor belt accessories — used across industrial, automotive, and infrastructure sectors. Classification here requires confirming the rubber is vulcanized but not hardened into ebonite, and that no more specific heading applies. The NES designation means customs examiners may scrutinize whether a more precise tariff provision exists before accepting this classification.
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Importers should obtain a material composition certificate confirming vulcanization and the absence of cellular structure, and then systematically rule out more specific headings (e.g., rubber tubing, belting, gaskets with dedicated codes). A binding ruling request to CBP can provide certainty when the classification is genuinely ambiguous.
For purely industrial rubber articles, no mandatory admissibility agency review applies. However, if the article contacts food or is used in a medical device context, FDA oversight may be triggered based on end use rather than the rubber's vulcanization state.
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Monthly import values over time