Prepared additives for cements, mortars or concretes (HS 382440)
Prepared additives for cements, mortars or concretes (HS 382440) has 2,889 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Prepared additives for cements, mortars or concretes is CHEMISTAR AMERICA INC, with 279 shipments, followed by CEMEX INC and CHRYSO INC. The leading supplier is CHEMISTAR CO LTD, with 565 shipments, followed by ECONEX CO LTD and MAPEI SPA. Goods originate mainly from REPUBLIC OF KOREA and CANADA, 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/382440-prepared-additives-for-cements-mortars-or-concretes
See all 2,889 shipments of HS 382440 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 Prepared additives for cements, mortars or concretes (HS 382440), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is CHEMISTAR CO LTD → CHEMISTAR AMERICA INC with 264 shipments, followed by CHEMISTAR CO LTD → CEMEX INC (180) and ECONEX CO LTD → CHRYSO INC (95).
Top U.S. importers
| Importer | Shipments |
|---|---|
| CHEMISTAR AMERICA INC | 279 |
| CEMEX INC | 180 |
| CHRYSO INC | 175 |
| ADJUVANTS EUCLID CANADA INC | 103 |
| SOCOMATRA | 96 |
| CEMEX ADMIX USA LLC | 88 |
| SIKA CORP | 85 |
| GTC MANUFACTURING INC | 84 |
| MAPEI DE MEXICO SA DE CV | 63 |
| CE | 55 |
Top suppliers
| Supplier | Shipments |
|---|---|
| CHEMISTAR CO LTD | 565 |
| ECONEX CO LTD | 157 |
| MAPEI SPA | 136 |
| CE | 104 |
| CHEMISTAR AMERICA INC | 98 |
| ALPHA TRANSIT | 83 |
| HS CO LTD | 71 |
| BASF CONSTRUCTION ADDITIVES GMBH | 69 |
| CHRYSO SAS | 69 |
| SIKA MBCC PANAMA S A | 54 |
Origin countries
| Country | Shipments |
|---|---|
| REPUBLIC OF KOREA | 865 |
| CANADA | 318 |
| ITALY | 289 |
| FRANCE | 255 |
| GERMANY | 198 |
| CHINA | 137 |
| NETHERLANDS | 117 |
| BELGIUM | 114 |
| SPAIN | 96 |
| NETHERLANDS ANTILLES | 89 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 626 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 530 |
| LONG BEACH, CA | 232 |
| NEW YORK, NY | 182 |
| SAN JUAN, PUERTO RICO | 176 |
| LOS ANGELES, CA | 149 |
| MIAMI, FL | 137 |
| NORFOLK, VA | 134 |
| CHARLESTON, SC | 108 |
| SEATTLE, WA | 100 |
Harmonized System classification
HS code 382440 — Prepared additives for cements, mortars or concretes. 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 3824
Other six-digit codes in HS 3824: Prepared binders for foundry molds or cores, with their U.S. import volume.
Frequently asked questions about importing Prepared additives for cements, mortars or concretes
Who imports Prepared additives for cements, mortars or concretes (HS 382440)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Prepared additives for cements, mortars or concretes include CHEMISTAR AMERICA INC, CEMEX INC, CHRYSO INC, ADJUVANTS EUCLID CANADA INC, and SOCOMATRA.
Who is the largest U.S. importer of Prepared additives for cements, mortars or concretes?
CHEMISTAR AMERICA INC is the largest U.S. importer of Prepared additives for cements, mortars or concretes (HS 382440), with 279 bill-of-lading shipment records.
Who are the top suppliers of Prepared additives for cements, mortars or concretes?
Leading suppliers shipping Prepared additives for cements, mortars or concretes (HS 382440) to the U.S. include CHEMISTAR CO LTD, ECONEX CO LTD, MAPEI SPA, CE, and CHEMISTAR AMERICA INC.
How many U.S. shipments of Prepared additives for cements, mortars or concretes are there?
ImportDoor has 2,889 U.S. import shipment records under HS code 382440, spanning Jan 2020 to Aug 2026.
Where is Prepared additives for cements, mortars or concretes imported from?
Prepared additives for cements, mortars or concretes is imported into the U.S. primarily from REPUBLIC OF KOREA, CANADA, and ITALY.
Find Prepared additives for cements, mortars or concretes importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 382440, with contact details and container-level shipment records on ImportDoor.
Start for free