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HSChapter 25
U.S. imports of quicklime (HS 252210) totaled $4.8M in May 2026, traded with 15 countries.
Importers of Quicklime paid $24K in duties in May 2026 — an effective duty rate of 10% on $239K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: May 2026 dataProduced by calcining limestone at high temperatures, quicklime (calcium oxide) is a primary industrial alkali used in steelmaking, water treatment, flue-gas desulfurization, and chemical manufacturing. Canada and Mexico dominate US import supply, with the United Kingdom, Spain, and Austria also contributing volumes. Because quicklime reacts vigorously with moisture, shipments require careful packaging documentation and hazardous-material handling declarations at entry. The single 10-digit tariff line 2522100000 covers all imported quicklime regardless of purity or particle size.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
No — all quicklime, regardless of purity level or granulation (lump, pebble, or ground), falls under the single tariff line 2522100000. Grade distinctions matter commercially but do not create separate HTS classifications at the 10-digit level.
Quicklime is classified as a hazardous material due to its reactivity with water and potential to generate heat. Importers should ensure compliance with DOT hazmat regulations for transport and provide appropriate safety data sheets (SDS) with the entry documentation.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $3.0M | $4.1M | +$1.1M |
| MEXICO | $1.6M | $119K | -$1.5M |
| INDIA | $68K | -- | -$68K |
| FRANCE | $58K | -- | -$58K |
| UNITED KINGDOM | $42K | -- | -$42K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2522100000 | QUICKLIME | $4.8M | 0.37% | 5.44% | $18K |
QUICKLIME
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2522100000 | QUICKLIME | $4.2M |
QUICKLIME
20.0M kg
PORTLAND CEMENT EXCEPT WHITE PORTLAND CEMENT
HS 252329
SALT INCL TBL/DENTRD, PURE SODM CHLOR ETC; SEA WTR
HS 250100
SULFUR OF ALL KINDS, NOT SUBLIMED,PRECIP,COLLOIDAL
HS 250300
NATURAL BARIUM SULFATE (BARYTES)
HS 251110
MINERAL SUBSTANCES NESOI
HS 253090
UNGRND NAT CAL PHSPH, ALUM CAL PHOS A PHOS CHALK
HS 251010
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SWEETGRASS, MT | -- | $2.0M | +$2.0M |
| CHAMPLAIN-ROUSES POINT, NY | $975K | -- | -$975K |
| EL PASO, TX | $792K | -- | -$792K |