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HSChapter 38
U.S. imports of nonrefractory mortars and concretes (HS 382450) totaled $6.5M in July 2026, traded with 27 countries.
Importers of Nonrefractory Mortars and Concretes paid $78K in duties in July 2026 — an effective duty rate of 11% on $707K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataReady-to-use and dry-mix nonrefractory mortars and concretes — formulations that do not withstand high-temperature service — are traded under this heading, covering products from standard masonry mortars to specialty repair concretes. The US schedule distinguishes wet formulations (3824500010) from all other forms (3824500050), a split that reflects differences in packaging, shelf life, and transport logistics. Canada and Mexico are the dominant suppliers, driven by cross-border construction project demand and the economics of shipping heavy, low-value-density materials over short distances.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
753 shipments/mo
Wet mortars and concretes (3824500010) are pre-mixed with water and ready for immediate application, while the NESOI line (3824500050) covers dry-blend powders, bagged mixes, and other non-wet forms. The physical state at the time of importation — not the intended end use — determines which 10-digit line applies.
Nonrefractory mortars and concretes are heavy and relatively low in value per unit weight, making long-haul ocean freight economically impractical for most grades. Cross-border truck shipments from Canada and Mexico keep landed costs competitive, so supply geography for this heading is heavily shaped by transport economics rather than raw material availability.
Subheading 4 of 17 in heading 3824
Subheading 382450 · $6.5M of $558.2M
ImportsExports
Imports
$6.5MYoY · Pro
Exports
$6.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and Mexico together supply 87% of it.
customs district
destination
entry
rate provision · imports
89.1% enters free of duty; the effective duty rate is 1.20%.
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 |
|---|---|---|---|---|---|
| 3824500050 | Nonrefactory Mortars and Conretes Except Wet | $6.7M | 1.20% | 10.47% | $81K |
| 3824500010 | Wet Nonrefractory Mortars and Concretes | $185K | 8.88% | 88.80% | $16K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3824500050 | Nonrefactory Mortars and Conretes Except Wet | $7.2M |
| 3824500010 | Wet Nonrefractory Mortars and Concretes | $636K |
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.
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