U.S. exports of Boron Oxides & Boric Acids (SITC 52235) totaled $15.3M in August 2026.
Importers of Boron Oxides & Boric Acids paid $362K in duties in August 2026, an average duty rate of 12.91% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Boron Oxides & Boric Acids imports of $2.8M in August 2026 ran 42% below the year-to-date monthly average of $4.8M.
Last updated: August 2026 dataBoron trioxide (B₂O₃) and boric acid (H₃BO₃) are versatile inorganic compounds serving as key inputs in glass and fiberglass manufacturing, ceramic glazes, flame retardants, and wood preservatives. Turkey dominates global boron mineral production and is a leading source of boric acid traded into the US market, giving origin concentration a notable supply-chain dimension for buyers. Boric acid used in pesticide formulations is regulated by the EPA under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), requiring registration review for certain end-use products. EPA TSCA certification is required for industrial-grade imports.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
30 import shipments a month
Boric acid imported as a finished pesticide product or pesticide active ingredient intended for direct sale or use as a pest control agent requires EPA FIFRA registration and may need an EPA-issued import notice. Boric acid imported purely as an industrial chemical or glass-manufacturing input is subject only to TSCA certification, not FIFRA.
Boron trioxide (B₂O₃) is anhydrous and highly hygroscopic, requiring sealed, moisture-resistant packaging and careful storage, while boric acid (H₃BO₃) is the hydrated form and more stable under ambient conditions. For glass and ceramic applications, B₂O₃ content percentage and particle size distribution are the primary quality specifications buyers negotiate with suppliers.
Basic heading 208 of 465 in section 5
Basic heading 52235 · $15.3M of $26.2B
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Exports · August 2026
destination
China and South Korea together take 62% of it.
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$2.8MYoY · free account
Exports
$15.3MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $51.8M of Boron Oxides & Boric Acids and exported $210.2M.
Through August 2026. Source: U.S. Census Bureau.