Silicates, other (HS 283919)
Silicates, other (HS 283919) has 426 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Silicates, other is ZEOLYST INTERNATIONAL, with 140 shipments, followed by ESAB WELDING & CUTTING PRODUCTS and TRELLEBORG PIPE SEALS MILFORD INC. The leading supplier is ZEOLYST CV, with 149 shipments, followed by ZAKLADY CHEMICZNE RUDNIKI S A and PQ SILICAS BV. Goods originate mainly from NETHERLANDS ANTILLES and NETHERLANDS, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. Import volume has held steady 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 Silicates, other (HS 283919), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is ZEOLYST CV → ZEOLYST INTERNATIONAL with 134 shipments, followed by ZAKLADY CHEMICZNE RUDNIKI S A → ESAB WELDING & CUTTING PRODUCTS (50) and PQ SILICAS BV → PQ CORP (17).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ZEOLYST INTERNATIONAL | 140 |
| ESAB WELDING & CUTTING PRODUCTS | 50 |
| TRELLEBORG PIPE SEALS MILFORD INC | 22 |
| REFRATECHNIK NORTH AMERICA INC | 21 |
| PQ CORP | 17 |
Top suppliers
| Supplier | Shipments |
|---|---|
| ZEOLYST CV | 149 |
| ZAKLADY CHEMICZNE RUDNIKI S A | 53 |
| PQ SILICAS BV | 23 |
| TRELLEBORG PIPE SEALS DUISBURG GMBH | 22 |
| REFRATECHNIK IBERICA S A | 17 |
Origin countries
| Country | Shipments |
|---|---|
| NETHERLANDS ANTILLES | 87 |
| NETHERLANDS | 73 |
| BELGIUM | 65 |
| POLAND | 55 |
| CHINA | 23 |
| SPAIN | 22 |
| GERMANY | 16 |
| EGYPT | 16 |
| INDIA | 15 |
| HONG KONG | 11 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 123 |
| BALTIMORE, MD | 62 |
| NORFOLK, VA | 60 |
| NEW ORLEANS, LA | 29 |
| OAKLAND, CA | 28 |
| HOUSTON, TX | 19 |
| MOBILE, AL | 14 |
| CHARLESTON, SC | 13 |
| NEW YORK, NY | 11 |
| CHESTER, PA | 11 |
Harmonized System classification
HS code 283919 — Silicates, other. 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 Silicates, other
Who imports Silicates, other (HS 283919)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Silicates, other include ZEOLYST INTERNATIONAL, ESAB WELDING & CUTTING PRODUCTS, TRELLEBORG PIPE SEALS MILFORD INC, REFRATECHNIK NORTH AMERICA INC, and PQ CORP.
Who is the largest U.S. importer of Silicates, other?
ZEOLYST INTERNATIONAL is the largest U.S. importer of Silicates, other (HS 283919), with 140 bill-of-lading shipment records.
Who are the top suppliers of Silicates, other?
Leading suppliers shipping Silicates, other (HS 283919) to the U.S. include ZEOLYST CV, ZAKLADY CHEMICZNE RUDNIKI S A, PQ SILICAS BV, TRELLEBORG PIPE SEALS DUISBURG GMBH, and REFRATECHNIK IBERICA S A.
How many U.S. shipments of Silicates, other are there?
ImportDoor has 426 U.S. import shipment records under HS code 283919, spanning Jan 2020 to Jul 2026.
Where is Silicates, other imported from?
Silicates, other is imported into the U.S. primarily from NETHERLANDS ANTILLES, NETHERLANDS, and BELGIUM.
Find Silicates, other importers & suppliers
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