HS 250900

Chalk

U.S. imports of chalk (HS 250900) totaled $79K in April 2026, traded with 8 countries.

Last updated: April 2026 data

Chalk is a soft, fine-grained calcium carbonate mineral used across industries ranging from agriculture (as a soil amendment) to manufacturing (as a filler in paints, plastics, and rubber) and education. The US schedule distinguishes crude chalk (2509001000) from processed chalk (2509002000), with the processing distinction affecting both duty treatment and end-use suitability. China and Taiwan are the leading suppliers to the US market, followed by Canada and Germany.

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Imports

$79K

from 8 countries · YTD: $424K

Exports

$51K

Deficit of $28K (net importer)

Trade balance: deficit of $28K (net importer)

YTD: $424K imported (April 2026)

15 shipments/month

Top Import Sources

View all

1CHINA$60K

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

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Frequently Asked Questions

What is the classification difference between crude and processed chalk under US HTS?

Crude chalk (2509001000) covers chalk in its natural, unprocessed state, while processed chalk (2509002000) encompasses chalk that has been ground, shaped, or otherwise worked beyond simple extraction. Correct classification depends on the degree of processing at the time of export.

What countries account for the largest share of chalk imports into the US?

China is the leading supplier, followed by Taiwan and Canada. Germany and Poland are also among the notable source countries.