Colloidal precious metals, other compounds (HS 284390)
Colloidal precious metals, other compounds (HS 284390) has 136 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Colloidal precious metals, other compounds is BACARDI USA, with 29 shipments, followed by VERSUM MATERIALS US LLC and MICHELIN NORTH AMERICA INC. The leading supplier is MARTINI & ROSSI SPA, with 44 shipments, followed by TAEKWANG FINE CHEMICAL CO LTD and VERSUM MATERIALS ADM KOREA INC. Goods originate mainly from REPUBLIC OF KOREA and ITALY, arriving primarily at SAVANNAH, GA. Import volume has risen 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/284390-colloidal-precious-metals-other-compounds
See all 136 shipments of HS 284390 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 Colloidal precious metals, other compounds (HS 284390), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is MARTINI & ROSSI SPA → BACARDI USA with 29 shipments, followed by TAEKWANG FINE CHEMICAL CO LTD → MICHELIN NORTH AMERICA INC (26) and VERSUM MATERIALS ADM KOREA INC → VERSUM MATERIALS US LLC (18).
Top U.S. importers
| Importer | Shipments |
|---|---|
| BACARDI USA | 29 |
| VERSUM MATERIALS US LLC | 27 |
| MICHELIN NORTH AMERICA INC | 26 |
| BACARDI USA INC | 14 |
| EMD MILLIPORE CORP | 3 |
| AEB BIOCHEMICAL USA | 2 |
| ATOTECH USA INC | 2 |
| PANASONIC CENTROAMERICANA S A | 2 |
| PAPCHEM INTERNATIONAL LLC | 2 |
| ACETO US L L C | 1 |
Top suppliers
| Supplier | Shipments |
|---|---|
| MARTINI & ROSSI SPA | 44 |
| TAEKWANG FINE CHEMICAL CO LTD | 26 |
| VERSUM MATERIALS ADM KOREA INC | 18 |
| VERSUM MATERIALS KOREA INC | 10 |
| EAST WEST FREIGHT LLC | 3 |
| MERCK KGAA | 3 |
| ATOTECH DEUTSCHLAND GMBH | 2 |
| EUROCONTAL S A | 2 |
| FACI ECHEM LTD | 2 |
| MASS DYECHEM PRIVATE LIMITED | 2 |
Origin countries
| Country | Shipments |
|---|---|
| REPUBLIC OF KOREA | 56 |
| ITALY | 46 |
| GERMANY | 5 |
| CHINA | 4 |
| SPAIN | 4 |
| INDIA | 4 |
| NORWAY | 4 |
| UNITED KINGDOM | 3 |
| BELGIUM | 2 |
| MEXICO | 2 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| SAVANNAH, GA | 44 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 27 |
| LONG BEACH, CA | 17 |
| CHARLESTON, SC | 16 |
| LOS ANGELES, CA | 12 |
| HOUSTON, TX | 8 |
| NEW YORK, NY | 2 |
| OAKLAND, CA | 2 |
| PHILADELPHIA, PA | 1 |
| CHESTER, PA | 1 |
Harmonized System classification
HS code 284390 — Colloidal precious metals, other compounds. 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 2843
Other six-digit codes in HS 2843: Colloidal precious metals, with their U.S. import volume.
| Product (HS code) | Shipments |
|---|---|
| Colloidal precious metals, gold compounds (284330) | 7,043 |
| Silver compounds, silver nitrate (284321) | 6,669 |
Frequently asked questions about importing Colloidal precious metals, other compounds
Who imports Colloidal precious metals, other compounds (HS 284390)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Colloidal precious metals, other compounds include BACARDI USA, VERSUM MATERIALS US LLC, MICHELIN NORTH AMERICA INC, BACARDI USA INC, and EMD MILLIPORE CORP.
Who is the largest U.S. importer of Colloidal precious metals, other compounds?
BACARDI USA is the largest U.S. importer of Colloidal precious metals, other compounds (HS 284390), with 29 bill-of-lading shipment records.
Who are the top suppliers of Colloidal precious metals, other compounds?
Leading suppliers shipping Colloidal precious metals, other compounds (HS 284390) to the U.S. include MARTINI & ROSSI SPA, TAEKWANG FINE CHEMICAL CO LTD, VERSUM MATERIALS ADM KOREA INC, VERSUM MATERIALS KOREA INC, and EAST WEST FREIGHT LLC.
How many U.S. shipments of Colloidal precious metals, other compounds are there?
ImportDoor has 136 U.S. import shipment records under HS code 284390, spanning Jan 2020 to Aug 2026.
Where is Colloidal precious metals, other compounds imported from?
Colloidal precious metals, other compounds is imported into the U.S. primarily from REPUBLIC OF KOREA, ITALY, and GERMANY.
Find Colloidal precious metals, other compounds importers & suppliers
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