HS

Silicones, In Primary Forms

Name: Heading 3910: Silicones, In Primary Forms
Creator: U.S. Census Bureau
License: https://www.census.gov/about/policies/open-gov/open-data.html

HS 3910Heading4-digit

U.S. imports · July 2026: $52.0M

U.S. exports · July 2026: $113.2M

Balance · July 2026: Sign in free to see the trade balance

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Last updated: July 2026 data

HS

Silicones, In Primary Forms

HS 3910Heading4-digit

U.S. imports · July 2026: $52.0M

U.S. exports · July 2026: $113.2M

Balance · July 2026: Sign in free to see the trade balance

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Last updated: July 2026 data

12-month trend

ImportsExports

Imports

$52.0MYoY · Pro

Exports

$113.2MYoY · Pro

12-mo low · imports

YoY · Pro

$127.2M$0

January 2025February 2026July 2026

Through July 2026. Source: U.S. Census Bureau.

Where it comes from, where it lands, what it pays

Exports · July 2026

Countries

destination

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Districts

customs district

States

origin

Ports

entry

Tariff programs

rate provision · imports

12.4% enters free of duty.

Dutiable - HTS chapter 99 rate (duty reported)78.3%$40.7M
Free under HTS chapter 9911.8%$6.2M
Bonded warehouse or Foreign Trade Zone (duty deferred)5.4%$2.8M
Dutiable - general rate (HTS column 1)value hidden
Dutiable - HTS chapter 99 rate (duty not calculated)value hidden

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Heading 22 of 26 in chapter 39

Share of chapter 39 imports0.82%

Heading 3910 · $52.0M of $6.4B

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Subheadings

1 · ranked by total trade

391000Silicones, In Primary Forms$165.2M

12-month trend

ImportsExports

Imports

$52.0MYoY · Pro

Exports

$113.2MYoY · Pro

12-mo low · imports

YoY · Pro

$127.2M$0

January 2025February 2026July 2026

Through July 2026. Source: U.S. Census Bureau.

Where it comes from, where it lands, what it pays

Exports · July 2026

Countries

destination

Sign in free to see the top 5 →

Districts

customs district

States

origin

Ports

entry

Tariff programs

rate provision · imports

12.4% enters free of duty.

Dutiable - HTS chapter 99 rate (duty reported)78.3%$40.7M
Free under HTS chapter 9911.8%$6.2M
Bonded warehouse or Foreign Trade Zone (duty deferred)5.4%$2.8M
Dutiable - general rate (HTS column 1)value hidden
Dutiable - HTS chapter 99 rate (duty not calculated)value hidden

Sign in free to see the top 5 →