Prepared additives for cements, mortars or concretes (HS 382440)
Prepared additives for cements, mortars or concretes (HS 382440) has 2,429 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Prepared additives for cements, mortars or concretes is CHEMISTAR AMERICA INC, with 260 shipments, followed by CEMEX INC and CHRYSO INC. The leading supplier is CHEMISTAR CO LTD, with 500 shipments, followed by ECONEX CO LTD and MAPEI SPA. Goods originate mainly from REPUBLIC OF KOREA and ITALY, 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 July 2026
Shipments over time (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 245 shipments, followed by CHEMISTAR CO LTD → CEMEX INC (148) and CHEMISTAR AMERICA INC → ADJUVANTS EUCLID CANADA INC (89).
Top U.S. importers
| Importer | Shipments |
|---|---|
| CHEMISTAR AMERICA INC | 260 |
| CEMEX INC | 148 |
| CHRYSO INC | 141 |
| ADJUVANTS EUCLID CANADA INC | 96 |
| SOCOMATRA | 87 |
Top suppliers
| Supplier | Shipments |
|---|---|
| CHEMISTAR CO LTD | 500 |
| ECONEX CO LTD | 127 |
| MAPEI SPA | 110 |
| CE | 94 |
| CHEMISTAR AMERICA INC | 92 |
Origin countries
| Country | Shipments |
|---|---|
| REPUBLIC OF KOREA | 763 |
| ITALY | 239 |
| FRANCE | 228 |
| CANADA | 225 |
| GERMANY | 171 |
| CHINA | 107 |
| BELGIUM | 100 |
| NETHERLANDS | 95 |
| SPAIN | 87 |
| NETHERLANDS ANTILLES | 79 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| HOUSTON, TX | 517 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 403 |
| LONG BEACH, CA | 208 |
| NEW YORK, NY | 159 |
| SAN JUAN, PUERTO RICO | 148 |
| LOS ANGELES, CA | 125 |
| NORFOLK, VA | 121 |
| MIAMI, FL | 116 |
| CHARLESTON, SC | 98 |
| SEATTLE, WA | 86 |
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.
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 260 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 2,429 U.S. import shipment records under HS code 382440, spanning Jan 2020 to Jul 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, ITALY, and FRANCE.
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.
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