U.S. exports of Silicones in Primary Forms (HS 3910000000) totaled $120.5M in August 2026.
Importers of Silicones in Primary Forms paid $7.1M in duties in August 2026, an average duty rate of 12.95% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Silicones in Primary Forms imports of $59.2M in August 2026 ran 17% above the year-to-date monthly average of $50.6M.
Last updated: August 2026 dataAverage import price $5.90/kg · 2.9K import shipments a month
Statistical number 1 of 1 in subheading 391000
Statistical number 3910000000 · $120.5M of $120.5M
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Exports · August 2026
destination
customs district
None recorded for this period.
origin
Census publishes state breakdowns to the 6-digit level only. See HS 391000 for those.
entry
Census publishes port breakdowns to the 6-digit level only. See HS 391000 for those.
rate provision · imports
None recorded for this period.
ImportsExports
Imports
$59.2MYoY · free account
Exports
$120.5MYoY · free account
Low of 8 reported months · imports
Low · free accountThrough August 2026 · imports 8 of 12 months reported, exports 8 of 12 months reported. Source: U.S. Census Bureau.