U.S. imports of Worked Glass (Other Than Safety Glass or Mirrors), Unframed and Unfitted (SITC 66491) totaled $20.5M in August 2026, imported from 37 countries.
Importers of Worked Glass (Other Than Safety Glass or Mirrors), Unframed and Unfitted paid $2.8M in duties in August 2026, an average duty rate of 13.49% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Worked Glass (Other Than Safety Glass or Mirrors), Unframed and Unfitted imports of $20.5M in August 2026 ran 17% above the year-to-date monthly average of $17.5M.
Last updated: August 2026 dataEdge-worked, bent, engraved, drilled, or otherwise processed glass that has not been made into safety glass or mirrors—and is not framed or fitted with other materials—occupies this heading, covering products such as shaped architectural panels, beveled glass panes, and decorative etched glass. The critical classification boundary is that the glass must be worked beyond simple cutting but must not yet be incorporated into a composite article; fitting with frames or other materials moves the product to a different heading. Precision processing tolerances and surface treatments are the specification details most relevant to buyers in the architectural and interior-design trades.
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507 import shipments a month
Once the glass is framed, fitted with metal hardware, or combined with other materials into a composite article, it typically moves out of this heading. The key boundary is whether the glass remains an unassembled, unfitted worked blank versus a finished or semi-finished composite product.
Curved or bent architectural glass that has been thermally or mechanically formed but is not laminated safety glass and is not yet framed or fitted generally falls within this heading. If the bending process also produces a tempered or laminated safety product, classification under the safety glass heading would take precedence.
Basic heading 237 of 766 in section 6
Basic heading 66491 · $20.5M of $27.0B
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Imports · August 2026
origin
Singapore and China together supply 43% of it. China pays 42.4% duty; Canada <0.1%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$20.5MYoY · free account
Exports
$3.1MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $207.6M of Worked Glass (Other Than Safety Glass or Mirrors), Unframed and Unfitted and exported $31.5M.
Through August 2026. Source: U.S. Census Bureau.