Sodium metasilicates (HS 283911)
Sodium metasilicates (HS 283911) has 242 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Sodium metasilicates is CHEM ONE, with 36 shipments, followed by AYERS INTERNATIONAL CORP and ATLANTIS CARIBBEAN CHEMICAL CORP. The leading supplier is SILMACO NV, with 148 shipments, followed by N V SILMACO and SILMACO N V. Goods originate mainly from BELGIUM and CHINA, arriving primarily at HOUSTON, TX. Import volume has declined over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/283911-sodium-metasilicates
See all 242 shipments of HS 283911 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Sodium metasilicates (HS 283911), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is SILMACO NV → CHEM ONE with 33 shipments, followed by SILMACO NV → AYERS INTERNATIONAL CORP (32) and N V SILMACO → ATLANTIS CARIBBEAN CHEMICAL CORP (16).
Top U.S. importers
| Importer | Shipments |
|---|---|
| CHEM ONE | 36 |
| AYERS INTERNATIONAL CORP | 33 |
| ATLANTIS CARIBBEAN CHEMICAL CORP | 24 |
| ATLANTIS AMERICAS CORP | 19 |
| COLONIAL CHEMICAL SOLUTIONS | 15 |
| SOLVESA ECUADOR S A | 8 |
| CHEM ONE LTD | 7 |
| COLONIAL CHEMICAL SOLUTIONS INC | 6 |
| K G INTERNATIONAL INC | 6 |
| AKTOPA LLC | 5 |
Top suppliers
| Supplier | Shipments |
|---|---|
| SILMACO NV | 148 |
| N V SILMACO | 16 |
| SILMACO N V | 8 |
| INTERNATIONAL OILS AND CHEMICALS S ADVANCE TOWER 1ST | 5 |
| PQ SILICAS BV | 5 |
| TARGO CHEM FOR CHEMICALS INDUSTRIES FACTORY | 4 |
| GTP SCHAEFER GIESSTECHNISCHE PRODUK | 3 |
| LANAKEN SILMACO | 3 |
| ORA BLUE CHEM P LTD | 3 |
| SHANDONG LONGGANG SILICON TECHNOLOG Y CO LTD | 3 |
Origin countries
| Country | Shipments |
|---|---|
| BELGIUM | 188 |
| CHINA | 28 |
| EGYPT | 8 |
| INDIA | 5 |
| GERMANY | 3 |
| REPUBLIC OF KOREA | 3 |
| NETHERLANDS ANTILLES | 2 |
| SPAIN | 2 |
| POLAND | 2 |
| ITALY | 1 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 74 |
| SAN JUAN, PUERTO RICO | 47 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 27 |
| SAVANNAH, GA | 23 |
| BOSTON, MA | 22 |
| MIAMI, FL | 9 |
| CHARLESTON, SC | 6 |
| LONG BEACH, CA | 6 |
| NORFOLK, VA | 5 |
| SEATTLE, WA | 5 |
Harmonized System classification
HS code 283911 — Sodium metasilicates. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
More products under HS 2839
Other six-digit codes in HS 2839: Silicates, with their U.S. import volume.
| Product (HS code) | Shipments |
|---|---|
| Silicates, other (283919) | 497 |
| Silicates, other (283990) | 366 |
Frequently asked questions about importing Sodium metasilicates
Who imports Sodium metasilicates (HS 283911)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Sodium metasilicates include CHEM ONE, AYERS INTERNATIONAL CORP, ATLANTIS CARIBBEAN CHEMICAL CORP, ATLANTIS AMERICAS CORP, and COLONIAL CHEMICAL SOLUTIONS.
Who is the largest U.S. importer of Sodium metasilicates?
CHEM ONE is the largest U.S. importer of Sodium metasilicates (HS 283911), with 36 bill-of-lading shipment records.
Who are the top suppliers of Sodium metasilicates?
Leading suppliers shipping Sodium metasilicates (HS 283911) to the U.S. include SILMACO NV, N V SILMACO, SILMACO N V, INTERNATIONAL OILS AND CHEMICALS S ADVANCE TOWER 1ST, and PQ SILICAS BV.
How many U.S. shipments of Sodium metasilicates are there?
ImportDoor has 242 U.S. import shipment records under HS code 283911, spanning Jan 2020 to Jul 2026.
Where is Sodium metasilicates imported from?
Sodium metasilicates is imported into the U.S. primarily from BELGIUM, CHINA, and EGYPT.
Find Sodium metasilicates importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 283911, with contact details and container-level shipment records on ImportDoor.
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