Tariff Monitor
U.S. Imports of Glass fiber and reinforcements From United Kingdom
In 2025, U.S. importers brought in $39.9M of glass fiber and reinforcements from United Kingdom; USITC reported an effective calculated-duty rate of 11.47% for that flow. That makes United Kingdom the 6th-largest named source of this family, at 2.8% of tracked glass fiber and reinforcements imports. The family-wide effective calculated-duty rate is 12.2%, so United Kingdom's observed rate is 0.7 points less than average. Freight and insurance add 4.22% on top of customs value. Tracked-family figures are a floor on total bilateral trade, from USITC DataWeb data.
The current reading
- Import value: $39.9M of glass fiber and reinforcements from United Kingdom in 2025, customs value.
- Observed effective calculated-duty rate: 11.47%, reported Calculated Duties ÷ covered customs value, 0.7 points below the 12.2% family average.
- Share of the family: 2.8%, #6 named source of glass fiber and reinforcements.
- Reported freight and insurance: 4.22% of customs value, shown alongside the effective calculated-duty rate.
- 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 United Kingdom? In 2025, USITC reported an effective calculated-duty rate of 11.47% for glass fiber and reinforcements imported from United Kingdom, calculated as reported Calculated Duties divided by covered customs value. It reflects the observed entry mix but does not identify the legal cause of the rate or determine an entry-specific duty.
- How much glass fiber and reinforcements does the U.S. import from United Kingdom? The U.S. imported $39.9M of glass fiber and reinforcements from United Kingdom in 2025, 2.8% of the tracked glass fiber and reinforcements it imports, ranking United Kingdom the 6th-largest named source. The chart above traces the retained reported years; a year with no retained source row is unknown, not zero.
- What does freight add on glass fiber and reinforcements from United Kingdom? Cost, insurance, and freight ran 4.22% of customs value on glass fiber and reinforcements from United Kingdom in 2025. That is an additional import burden alongside the reported effective calculated-duty rate; a country-specific invoice price is still required for a comparable landed unit cost.
About this data
- Reference statistics derived from USITC published data. Not a customs ruling. MFN-Free and Special-rate fields describe statutory line coverage only; final entry liability requires origin, date, eligibility, exclusions and other transaction facts. Calculated Duties are statistical estimates, not a cash-collections ledger. Confirm classification, origin, program eligibility, and final entry liability with a licensed customs broker.
Last reviewed 2026-08-31.