Skip to main content

Loading...

USTradeSignals

Free-to-read U.S. trade data, plus a human-reviewed supplier-and-buyer directory. Sourced from the Census Bureau and BEA.

Updated monthly

Explore

Products
Countries
U.S. states
Ports
Industries
Trends
Statistics
Fast-growing imports

Directory

Browse directory
List your company
How verification works
House rules

Read

Monthly data drops
Insights blog
Glossary
How-to guides
Methodology

About

About
Pricing
Sitemap
Privacy
Terms

Top trading partners

China
Mexico
Canada
Japan
Germany
South Korea
United Kingdom
India
Vietnam
Taiwan

Top imports by product

Computer processing units
Crude oil
Computer parts
Networking equipment
Passenger cars
Pharmaceuticals
Immunological products
Laptops & portable PCs
Solid-state drives
Smartphones

Census release alerts

We email when each monthly Census release lands. No marketing, no upsells.

Email address

© 2026 USTradeSignals by Fovea.One. Not affiliated with the U.S. government.

Source data: U.S. Census Bureau Schedule B / HTS, BEA International Services. Provided for informational purposes; may differ from official sources.

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Isobutene-Isoprene (Butyl) Rubber (IIR) (HS 400231) — U.S. Imports

Explore Products Countries Trade Directory Tools

Home Explore Products Directory Search

Home
Products
HS
Chapter 40
Isobutene-Isoprene (Butyl) Rubber (IIR)

HSChapter 40

Isobutene-Isoprene (Butyl) Rubber (IIR)

$1.4MU.S. imports · April 2026HS 400231

Overview Imports Exports Companies

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading table data...

Loading...

40›4002›400231

Countries

View all

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading table data...

States

View all

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading table data...

Ports

View all

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading table data...

Districts

View all

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading table data...

Trends

View all

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading table data...

Tariffs

View all

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading...

Loading table data...

Top import sources

1
CANADA$1.2M
2
INDIA$90K
3
TAIWAN$72K
4
THAILAND$44K
5
JAPAN$32K

By States

1
Ohio$584K
2
Georgia$359K
3
South Carolina$221K
4
Kentucky$95K
5
Pennsylvania$82K

By Ports

1
PORT HURON, MI$1.2M
2
NORFOLK-NEWPORT NEWS, VA$90K
3
TACOMA, WA$72K
4
LONG BEACH, CA$44K
5
NEWARK, NJ$34K

By Districts

1
DETROIT, MI$1.2M
2
NORFOLK, VA$90K
3
CLEVELAND, OH$76K
4
SEATTLE, WA$73K
5
DALLAS-FORT WORTH, TX$4K

Import trend

Latest: $1.4M · April 2026 · 24 months

Tariffs & duties

Effective rate: 0.0%
Duties collected: $3K
Duty-free share: 0%
FTA share: 0%