Germany supplies 74.3% of U.S. imports of Unworked Glass Tubes — Low Thermal Expansion (≤5×10⁻⁶/K), across 10 countries (year to date through September 2026).
HHI 5,756 of 10,000 · HHI above 1,800. The sum of each country’s squared percentage share; one country with everything scores 10,000.
10 countries supplying this product to the U.S.
| Rank# | Country | Value | Share | YoY | Duty |
|---|---|---|---|---|---|
| 1 | Germany | $552K | 84.2% | +11.6% | 10.0% |
| 2 | Czech Republic | $62K | 9.4% | +56.2% | 10.0% |
| 3 | Brazil | $37K | 5.6% | -27.3% | 43.5% |
| 4 | Thailand | $5K | 0.8% | -- | 18.5% |
| 5 | India | -- | 0.0% | -- | -- |
| 6 | Canada | -- | 0.0% | -70.1% | -- |
| 7 | China | -- | 0.0% | -28.9% | -- |
| 8 | United Kingdom | -- | 0.0% | +76.6% | -- |
| 9 | France | -- | 0.0% | -- | -- |
| 10 | Italy | -- | 0.0% | +324.7% | -- |
Duty is the duty Census calculated on this month's imports for consumption from each country, as a share of their customs value. It applies the rates in force, additional duties such as Section 301, 232 and IEEPA included and claimed trade-agreement preferences netted out, so it is an observed rate rather than a statutory one. It is an estimate, not duty collected: antidumping and countervailing duties, fees and later refunds are not in it. YoY compares year-to-date value with the same months last year.