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HSChapter 68
U.S. imports of other articles of cement, concrete, or artificial stone, nesoi (including agglomerated quartz slabs) (HS 681099) totaled $179.7M in July 2026, traded with 63 countries.
Importers of Other Articles of Cement, Concrete, or Artificial Stone, NESOI (Including Agglomerated Quartz Slabs) paid $15.9M in duties in July 2026 — an effective duty rate of 12% on $128.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAgglomerated quartz slabs for countertops are the commercially dominant product in this heading, with the US schedule providing dedicated lines for large-format slabs (6810990020) and countertop-grade slabs (6810990040) alongside a general NESOI line (6810990080). Vietnam and India lead US imports — a supply pattern shaped in part by antidumping and countervailing duty orders that have historically targeted quartz surface products from China, redirecting sourcing to Southeast Asia and South Asia. Importers should conduct scope analysis on any active trade-remedy orders before committing to a supplier.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
10.0K shipments/mo
Line 6810990020 applies to rectangular agglomerated quartz slabs measuring 3 meters or more in length and 1.25 meters or more in width — dimensions associated with jumbo-format slabs used in fabrication shops. Line 6810990040 covers countertop-grade slabs that do not meet those dimensional thresholds. Importers should document slab dimensions on the commercial invoice and packing list to support the correct 10-digit classification and avoid CBP examination.
Antidumping and countervailing duty orders on quartz surface products from China significantly increased the landed cost of Chinese-origin slabs, prompting US importers and distributors to shift sourcing to Vietnam, India, and other countries not covered by those orders. Importers should verify that current orders do not extend to their specific supplier country and product specification, as scope rulings and circumvention investigations can affect non-Chinese origins as well. Consulting a licensed customs broker before establishing a new supply relationship is strongly advisable.
Subheading 1 of 4 in heading 6810
Subheading 681099 · $179.7M of $198.6M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 6810990020 | Agg Quartz Slabs,Rect,3m or Mr Leng,1.25m or Mr Wd | $94.5M | 8.32% | 81.39% | $7.9M |
| 6810990080 | Articles of Cement/Concrete/Artificial Stone NESOI | $61.8M | 9.69% | 51.02% | $6.0M |
| 6810990040 | Agglomerated Quartz Slabs for Countertops, NESOI | $23.4M | 8.93% | 86.39% | $2.1M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6810990000 | Articles of Cement/Concrete/Artificial Stone NESOI | $9.2M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$179.7MYoY · Pro
Exports
$9.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
28.4% enters free of duty; the effective duty rate is 8.87%.