Macadam of Slag Imports to the U.S., 2026 — $1.3M from 1 Countries

HS 251720

Macadam of Slag, Dross or Similar Industrial Waste

U.S. imports of macadam of slag, dross or similar industrial waste (HS 251720) totaled $1.3M in April 2026, traded with 1 country.

Last updated: April 2026 data

Slag macadam is a recycled-material road-building product derived from industrial byproducts — blast furnace slag, dross, and similar waste — and may incorporate conventional aggregate from heading 251710. Its single tariff line (2517200000) reflects a narrow, well-defined product scope that distinguishes it from virgin-stone aggregates and tarred macadam. Canada dominates US supply, with India and Sweden as secondary sources. Buyers should confirm that the slag or dross origin documentation aligns with the industrial process claimed, as misidentification of the base material can trigger reclassification.

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Imports

$1.3M

from 1 country · YTD: $3.2M

Exports

$197K

Deficit of $1.1M (net importer)

Trade balance: deficit of $1.1M (net importer)

YTD: $3.2M imported (April 2026)

2 shipments/month

Top Import Sources

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1CANADA$1.3M
100.0%

View all 1 trading partners

Import Trend (12 months)

Monthly import values over time

Geographic Breakdown

SALT INCL TBL/DENTRD, PURE SODM CHLOR ETC; SEA WTR

HS 250100

$73.0M

PORTLAND CEMENT EXCEPT WHITE PORTLAND CEMENT

HS 252329

$64.5M

SULFUR OF ALL KINDS, NOT SUBLIMED,PRECIP,COLLOIDAL

HS 250300

$35.6M

NATURAL BARIUM SULFATE (BARYTES)

HS 251110

$26.0M

FLUORSPAR OV 97% OF CALCIUM FLUORD BY WGHT

HS 252922

$18.4M

UNGRND NAT CAL PHSPH, ALUM CAL PHOS A PHOS CHALK

HS 251010

$14.0M

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Frequently Asked Questions

What makes slag macadam distinct from ordinary crushed-stone aggregates for customs classification?

Slag macadam must be composed primarily of slag, dross, or similar industrial waste rather than quarried stone. If the product is predominantly natural stone with only incidental slag content, it would more likely classify under heading 251710 instead.

What countries supply most US imports of slag and industrial-waste macadam?

Canada is the leading supplier by a significant margin, with India and Sweden also among the recorded sources. The limited supplier base reflects the geographic concentration of steel and smelting industries that generate the necessary byproducts.

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Import Trend (12 months)

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Import Trend (12 months)

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