Isobutene-isoprene (butyl) rubber (IIR), other (HS 400239)
Isobutene-isoprene (butyl) rubber (IIR), other (HS 400239) has 1,744 U.S. import bill-of-lading shipment records between Jan 2020 and Jun 2026. The largest U.S. importer of Isobutene-isoprene (butyl) rubber (IIR), other is GILLYBOO CORP, with 355 shipments, followed by ARLANXEO USA LLC and EXXONMOBIL PRODUCT SOLUTIONS CO. The leading supplier is ZHEJIANG HULONG INDUSTRIAL&TRADE CO, with 359 shipments, followed by ARLANXEO SINGAPORE PTE LTD and EXXONMOBIL CHEMICAL LIMITED. Goods originate mainly from CHINA and INDIA, arriving primarily at LOS ANGELES, CA. 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 June 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Isobutene-isoprene (butyl) rubber (IIR), other (HS 400239), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is ZHEJIANG HULONG INDUSTRIAL&TRADE CO → GILLYBOO CORP with 352 shipments, followed by ARLANXEO SINGAPORE PTE LTD → ARLANXEO USA LLC (93) and EXXONMOBIL CHEMICAL LIMITED → EXXONMOBIL PRODUCT SOLUTIONS CO (54).
Top U.S. importers
| Importer | Shipments |
|---|---|
| GILLYBOO CORP | 355 |
| ARLANXEO USA LLC | 98 |
| EXXONMOBIL PRODUCT SOLUTIONS CO | 59 |
| LIVING SPACES FURNITURE LLC | 57 |
| VUORI INC | 52 |
Top suppliers
| Supplier | Shipments |
|---|---|
| ZHEJIANG HULONG INDUSTRIAL&TRADE CO | 359 |
| ARLANXEO SINGAPORE PTE LTD | 135 |
| EXXONMOBIL CHEMICAL LIMITED | 54 |
| NINGBO GOODBABY CHILD PRODUCTS CO LTD | 51 |
| ARLANXEO CANADA INC | 50 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 843 |
| INDIA | 136 |
| CANADA | 131 |
| VIET NAM | 131 |
| BELGIUM | 120 |
| UNITED KINGDOM | 63 |
| TURKEY | 53 |
| REPUBLIC OF KOREA | 51 |
| THAILAND | 37 |
| PHILIPPINES | 28 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 588 |
| LONG BEACH, CA | 249 |
| TACOMA, WA | 180 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 153 |
| HOUSTON, TX | 152 |
| NORFOLK, VA | 102 |
| NEW ORLEANS, LA | 88 |
| SEATTLE, WA | 67 |
| MIAMI, FL | 40 |
| NEW YORK, NY | 33 |
Harmonized System classification
HS code 400239 — Isobutene-isoprene (butyl) rubber (IIR), 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.
Frequently asked questions about importing Isobutene-isoprene (butyl) rubber (IIR), other
Who imports Isobutene-isoprene (butyl) rubber (IIR), other (HS 400239)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Isobutene-isoprene (butyl) rubber (IIR), other include GILLYBOO CORP, ARLANXEO USA LLC, EXXONMOBIL PRODUCT SOLUTIONS CO, LIVING SPACES FURNITURE LLC, and VUORI INC.
Who is the largest U.S. importer of Isobutene-isoprene (butyl) rubber (IIR), other?
GILLYBOO CORP is the largest U.S. importer of Isobutene-isoprene (butyl) rubber (IIR), other (HS 400239), with 355 bill-of-lading shipment records.
Who are the top suppliers of Isobutene-isoprene (butyl) rubber (IIR), other?
Leading suppliers shipping Isobutene-isoprene (butyl) rubber (IIR), other (HS 400239) to the U.S. include ZHEJIANG HULONG INDUSTRIAL&TRADE CO, ARLANXEO SINGAPORE PTE LTD, EXXONMOBIL CHEMICAL LIMITED, NINGBO GOODBABY CHILD PRODUCTS CO LTD, and ARLANXEO CANADA INC.
How many U.S. shipments of Isobutene-isoprene (butyl) rubber (IIR), other are there?
ImportDoor has 1,744 U.S. import shipment records under HS code 400239, spanning Jan 2020 to Jun 2026.
Where is Isobutene-isoprene (butyl) rubber (IIR), other imported from?
Isobutene-isoprene (butyl) rubber (IIR), other is imported into the U.S. primarily from CHINA, INDIA, and CANADA.
Find Isobutene-isoprene (butyl) rubber (IIR), other importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 400239, with contact details and container-level shipment records on ImportDoor.
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