Potassium carbonates (HS 283640)
Potassium carbonates (HS 283640) has 1,898 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Potassium carbonates is KORECHEM INC, with 451 shipments, followed by OCI INTERNATIONAL INC and SOLVAY SPECIALTY POLYMERS. The leading supplier is UNID CO LTD, with 980 shipments, followed by ALTAIR CHIMICA SPA and YEE FONG CHEMICAL & INDUSTRIAL CO. Goods originate mainly from REPUBLIC OF KOREA and TAIWAN, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. 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/283640-potassium-carbonates
See all 1,898 shipments of HS 283640 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 Potassium carbonates (HS 283640), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is UNID CO LTD → KORECHEM INC with 448 shipments, followed by UNID CO LTD → OCI INTERNATIONAL INC (170) and UNID CO LTD → SOLVAY SPECIALTY POLYMERS (168).
Top U.S. importers
| Importer | Shipments |
|---|---|
| KORECHEM INC | 451 |
| OCI INTERNATIONAL INC | 170 |
| SOLVAY SPECIALTY POLYMERS | 168 |
| VALUDOR PRODUCTS LLC | 147 |
| FOODTOPIA INC | 114 |
| LESCHACO MEXICANA SA DE CV | 61 |
| THYMLY PRODUCTS INC | 44 |
| BIOWORKS INC | 30 |
| ESSECO USA LLC | 29 |
| LESCHACO MEXICANA S A DE C V | 26 |
Top suppliers
| Supplier | Shipments |
|---|---|
| UNID CO LTD | 980 |
| ALTAIR CHIMICA SPA | 114 |
| YEE FONG CHEMICAL & INDUSTRIAL CO | 103 |
| EVONIK FUNCTIONAL SOLUTIONS GMBH | 84 |
| KUDOS BLENDS LTD | 50 |
| ALTAIR CHEMICAL SRL | 47 |
| ZHEJIANG DAYANG BIOTECH GROUP | 46 |
| KIRSCH PHARMA GMBH | 34 |
| FUKUMI CORP | 32 |
| YEE FONG CHEMICAL & INDUSTRIAL CO LTD | 30 |
Origin countries
| Country | Shipments |
|---|---|
| REPUBLIC OF KOREA | 1,020 |
| TAIWAN | 165 |
| CHINA | 164 |
| ITALY | 164 |
| BELGIUM | 92 |
| GERMANY | 90 |
| UNITED KINGDOM | 54 |
| JAPAN | 42 |
| NETHERLANDS ANTILLES | 27 |
| THAILAND | 20 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 372 |
| OAKLAND, CA | 241 |
| LONG BEACH, CA | 213 |
| LOS ANGELES, CA | 144 |
| SAVANNAH, GA | 137 |
| SEATTLE, WA | 103 |
| CHARLESTON, SC | 98 |
| BALTIMORE, MD | 95 |
| NORFOLK, VA | 83 |
| TACOMA, WA | 81 |
Harmonized System classification
HS code 283640 — Potassium carbonates. 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 2836
Other six-digit codes in HS 2836: Carbonates, with their U.S. import volume.
Frequently asked questions about importing Potassium carbonates
Who imports Potassium carbonates (HS 283640)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Potassium carbonates include KORECHEM INC, OCI INTERNATIONAL INC, SOLVAY SPECIALTY POLYMERS, VALUDOR PRODUCTS LLC, and FOODTOPIA INC.
Who is the largest U.S. importer of Potassium carbonates?
KORECHEM INC is the largest U.S. importer of Potassium carbonates (HS 283640), with 451 bill-of-lading shipment records.
Who are the top suppliers of Potassium carbonates?
Leading suppliers shipping Potassium carbonates (HS 283640) to the U.S. include UNID CO LTD, ALTAIR CHIMICA SPA, YEE FONG CHEMICAL & INDUSTRIAL CO, EVONIK FUNCTIONAL SOLUTIONS GMBH, and KUDOS BLENDS LTD.
How many U.S. shipments of Potassium carbonates are there?
ImportDoor has 1,898 U.S. import shipment records under HS code 283640, spanning Jan 2020 to Aug 2026.
Where is Potassium carbonates imported from?
Potassium carbonates is imported into the U.S. primarily from REPUBLIC OF KOREA, TAIWAN, and CHINA.
Find Potassium carbonates importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 283640, with contact details and container-level shipment records on ImportDoor.
Start for free