U.S. exports of Ethylene-Propylene-Diene Rubber (EPDM) in Primary Forms (SITC 23217) totaled $57.6M in August 2026.
Importers of Ethylene-Propylene-Diene Rubber (EPDM) in Primary Forms paid $1.0M in duties in August 2026, an average duty rate of 12.37% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataEPDM's fully saturated backbone — achieved by incorporating a nonconjugated diene termonomer — gives it outstanding resistance to ozone, UV radiation, steam, and polar fluids, setting it apart from diene-based elastomers like SBR or NR. Automotive weatherstripping, roofing membranes, and wire and cable insulation are its dominant end-use segments, and the specific diene type (ENB, DCPD, or HD) along with ethylene content are key specifications that determine cure rate and compound compatibility. Certain EPDM imports have been subject to antidumping proceedings, so origin verification and mill-level documentation are important compliance steps for US buyers.
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171 import shipments a month
ENB (ethylidene norbornene)-based EPDM cures significantly faster than DCPD-based grades and is preferred for most automotive and industrial applications requiring high cure rates. DCPD grades are used in specific wire and cable applications. The diene type should be specified in the purchase contract and confirmed on the certificate of analysis, as substituting one for the other can cause processing and performance failures.
Yes, antidumping duty orders have been applied to EPDM from certain countries. Importers should check the current status of any applicable orders with CBP before sourcing, obtain detailed mill certificates confirming the country of origin of production, and consider requesting a scope ruling if there is any ambiguity about whether a specific grade falls within an order's scope.
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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.
ImportsExports
Imports
$8.4MYoY · free account
Exports
$57.6MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $101.3M of Ethylene-Propylene-Diene Rubber (EPDM) in Primary Forms and exported $638.5M.
Through August 2026. Source: U.S. Census Bureau.
Basic heading 25 of 239 in section 2
Basic heading 23217 · $57.6M of $7.8B