U.S. imports of silicates & commercial alkali metal silicates (nesoi) (HS 283990) totaled $1.4M in April 2026, traded with 17 countries.
Last updated: April 2026 dataPotassium silicate (2839901000) and other non-sodium alkali metal silicates (2839905000) serve as key inputs in detergents, adhesives, refractory cements, and specialty coatings. Imports under this heading are subject to Section 301 tariffs when sourced from China, making origin diversification a practical concern for procurement teams. Mexico and Canada are the leading suppliers, with Japan and Portugal also contributing meaningfully to US import volumes. Classification hinges on the specific alkali metal cation and whether the product qualifies as a commercial-grade silicate solution or a defined chemical compound.
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The heading splits into two 10-digit lines: 2839901000 covers potassium silicates specifically, while 2839905000 captures all other silicates and commercial alkali metal silicates not elsewhere specified. Correct classification depends on identifying the alkali metal cation and the product's commercial form.
Mexico and Canada lead US supply under this heading, followed by Japan and Portugal. China is also a supplier, though imports from China may be subject to Section 301 tariffs, which affects sourcing decisions.
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Exports
$4.2M
Imports
$1.4M
from 17 countries ยท YTD: $5.5M
Surplus of $2.8M (net exporter)
Trade balance: surplus of $2.8M (net exporter)
YTD: $5.5M imported (April 2026)
37 shipments/month
Monthly import values over time
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
ALUMINUM OXIDE, EXCEPT ARTIFICIAL CORUNDUM, NESOI
HS 281820
SULFURIC ACID; OLEUM
HS 280700
Top U.S. entry points for this product, ranked by latest-month import value.