Harmonized Tariff Schedule of the U.S. › Chapter 25 Salt; sulphur; earths and stone; plastering materials, lime and cement
2506.10.00.10Tariff line
Classification path
Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
2506
Quartz
Sands (other than natural) containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron
2506.10.00.10
Rates of duty
General rate (Column 1)Free
Special—
Column 2Free
Unitt
Printed page 1349
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2506.10.00 is on L3
- AD/CVD: 2 orders in placeConditional—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
- AD/CVD 2 casesConditionalAD 326.15% + CVD 45.32%A570084 / C570085
Confirmed total 37.5% · max 408.97%Full duty breakdown →