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HSChapter 28
U.S. imports of borates, not elsewhere specified or included (HS 284020) totaled $2.2M in April 2026, traded with 11 countries.
Importers of Borates, Not Elsewhere Specified or Included paid $322K in duties in April 2026 — an effective duty rate of 15% on $2.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Borates, Not Elsewhere Specified or Included imports of $2.2M in April 2026 ran 55% above the year-to-date monthly average of $1.4M.
Last updated: April 2026 dataBorates not covered by more specific headings serve a wide range of industrial end uses, including flame retardants, specialty glass, and wood preservation treatments. India leads US import supply for this residual borate category, followed by Italy and Turkey. All entries fall under a single tariff line (2840200000), so correct classification depends on confirming the compound is not a disodium tetraborate or peroxoborate, which carry their own dedicated headings.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A borate is classified here only after ruling out more specific provisions — disodium tetraborate (284011/284019) and peroxoborates (284030) each have their own headings. Compounds such as calcium borate, zinc borate, or mixed metal borates that do not fit those specific descriptions default to 2840200000.
Importers should verify current Section 301 exposure for shipments originating from China, as boron compounds from that origin have been reviewed under Section 301 lists. Consulting a licensed customs broker is advisable to confirm the applicable duty treatment at time of entry.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2840200000 | OTHER BORATES, NESOI | $2.2M | 15.23% | $322K |
OTHER BORATES, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2840200000 | BORATES, NESOI | $3.3M |
BORATES, NESOI
1.1M kg
URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.
HS 284420
NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC
HS 284410
ANHYDROUS AMMONIA
HS 281410
ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES
HS 284443
SILICON, UNDER 99.99% (BY WEIGHT) SILICON
HS 280469
PHOSPHORIC ACID AND POLYPHOSPHORIC ACIDS
HS 280920
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $126K | $2.9M | +$2.8M |
| Tennessee | $584K | $136K | -$448K |
| Pennsylvania | $657K | $15K | -$643K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $65K | $2.0M | +$2.0M |
| NEWARK, NJ | $1.0M | -- | -$1.0M |
| HOUSTON, TX | $572K | $13K | -$559K |