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U.S. exports of disodium tetraborate (hydrated borax), except anhydrous (HS 284019) totaled $42.9M in July 2026.
Importers of Disodium Tetraborate (Hydrated Borax), Except Anhydrous paid $383K in duties in July 2026 — an effective duty rate of 3.5% on $10.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Disodium Tetraborate (Hydrated Borax), Except Anhydrous imports of $10.8M in July 2026 ran 111% above the year-to-date monthly average of $5.2M.
Last updated: July 2026 dataHydrated forms of disodium tetraborate — commonly known as borax — are a foundational boron source for glass fiber, ceramics, and agricultural micronutrient applications. Turkey dominates global supply of this mineral, reflecting its vast borate ore reserves, with Guatemala and Italy also among the leading US import sources. Classified under a single 10-digit line (2840190000), the heading excludes anhydrous disodium tetraborate, making the hydration state the critical classification distinction at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
38 shipments/mo
The key is water of crystallization: hydrated forms (e.g., borax decahydrate and pentahydrate) fall under 284019, while the anhydrous form is classified separately. Importers should confirm the product's water content via the supplier's certificate of analysis before filing entry.
Turkey holds some of the world's largest commercially exploitable borate ore deposits, giving Turkish producers a significant cost and volume advantage. This concentration means US buyers in glass fiber and ceramics industries closely monitor Turkish export policy and logistics disruptions.
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Subheading 1 of 4 in heading 2840
Subheading 284019 · $10.8M of $12.5M
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 |
|---|---|---|---|---|---|
| 2840190000 | Disodium Tetraborate, Exc Anhydrous, NESOI | $10.8M | 3.53% | 99.83% | $383K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2840190000 | Disodium Tetraborate, Except Anhydrous | $42.9M |
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.
ImportsExports
Imports
$10.8MYoY · Pro
Exports
$42.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
China and Indonesia together take 74% of it.
customs district
origin
entry
rate provision · imports
0.2% enters free of duty; the effective duty rate is 3.53%.