HS 284011

Anhydrous Disodium Tetraborate (Refined Borax)

U.S. imports of anhydrous disodium tetraborate (refined borax) (HS 284011) totaled $121K in April 2026, traded with 2 countries.

Last updated: April 2026 data

Anhydrous refined borax — disodium tetraborate in its water-free form — is a foundational boron compound used in glass and fiberglass manufacturing, ceramic glazes, and metallurgical fluxes. Unlike its hydrated counterparts under heading 284019, the anhydrous grade commands distinct handling requirements due to its higher boron concentration and hygroscopic sensitivity. Turkey is the dominant supplier to the US market, reflecting that country's control of a large share of global boron ore reserves, with India and Mexico also contributing to import flows. The entire heading resolves to a single 10-digit tariff line (2840110000), simplifying classification but not eliminating the need to verify origin documentation for duty purposes.

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Exports

$4.3M

Imports: $121K to 2 countries

Surplus of $4.2M (net exporter)

Trade balance: surplus of $4.2M (net exporter)

YTD: $793K imported (April 2026)

3 shipments/month

Top Import Sources

View all

1TURKEY$109K
89.5%
2INDIA$13K
10.5%

View all 2 trading partners

Import Trend (12 months)

Monthly import values over time

Geographic Breakdown

URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.

HS 284420

$450.1M

NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC

HS 284410

$242.8M

ANHYDROUS AMMONIA

HS 281410

$116.5M

ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES

HS 284443

$54.0M

ALUMINUM OXIDE, EXCEPT ARTIFICIAL CORUNDUM, NESOI

HS 281820

$44.6M

SULFURIC ACID; OLEUM

HS 280700

$34.8M

Suppliers

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Frequently Asked Questions

What distinguishes anhydrous refined borax (284011) from other disodium tetraborate forms?

The anhydrous designation means the product contains no water of crystallization, giving it a higher boron oxide content than the decahydrate or pentahydrate forms classified under 284019. This distinction affects both industrial performance and moisture-sensitive storage requirements.

Who are the top supplying countries for anhydrous refined borax entering the US?

Turkey is by far the leading supplier, owing to its dominant position in global boron mineral reserves. India and Mexico are secondary sources, with Switzerland and Canada also appearing among US import origins.