What tariff does the U.S. charge on glass fiber and reinforcements from Canada?

In 2025, glass fiber and reinforcements imported from Canada paid an effective tariff rate of 0.89%, calculated as duties collected divided by customs value, which captures Section 301/232 overlays and program use that statutory rates miss.

How much glass fiber and reinforcements does the U.S. import from Canada?

The U.S. imported $243.2M of glass fiber and reinforcements from Canada in 2025, 17.2% of the tracked glass fiber and reinforcements it imports, ranking Canada the 2nd-largest named source. The chart above traces the full history.

What does freight add on glass fiber and reinforcements from Canada?

Cost, insurance, and freight ran 1.79% of customs value on glass fiber and reinforcements from Canada in 2025. That stacks on the duty, so the landed cost runs higher than the effective rate alone implies.

Tariff Monitor

U.S. Imports of Glass fiber and reinforcements From Canada

In 2025, U.S. importers brought in $243.2M of glass fiber and reinforcements from Canada, paying an effective tariff rate of 0.89%. That makes Canada the 2nd-largest named source of this family, at 17.2% of tracked glass fiber and reinforcements imports. The family-wide effective rate is 12.2%, so Canada's goods pay 11.3 points less than average. Freight and insurance add 1.79% on top of customs value. Tracked-family figures are a floor on total bilateral trade, from USITC DataWeb data.

The current reading

Import value: $243.2M of glass fiber and reinforcements from Canada in 2025, customs value.
Effective tariff rate: 0.89%, calculated duties ÷ customs value, 11.3 points below the 12.2% family average.
Share of the family: 17.2%, #2 named source of glass fiber and reinforcements.
Freight and insurance: 1.79% of customs value, on top of the duty.
History depth: 3 years of annual named-source boards.

Frequently asked questions

What tariff does the U.S. charge on glass fiber and reinforcements from Canada? In 2025, glass fiber and reinforcements imported from Canada paid an effective tariff rate of 0.89%, calculated as duties collected divided by customs value, which captures Section 301/232 overlays and program use that statutory rates miss.
How much glass fiber and reinforcements does the U.S. import from Canada? The U.S. imported $243.2M of glass fiber and reinforcements from Canada in 2025, 17.2% of the tracked glass fiber and reinforcements it imports, ranking Canada the 2nd-largest named source. The chart above traces the full history.
What does freight add on glass fiber and reinforcements from Canada? Cost, insurance, and freight ran 1.79% of customs value on glass fiber and reinforcements from Canada in 2025. That stacks on the duty, so the landed cost runs higher than the effective rate alone implies.

About this data

Reference statistics derived from USITC published data. Not a customs ruling; verify rates with a licensed customs broker before relying on them.

Last reviewed 2026-05-12.