HS Code 400231
Isobutene-isoprene (butyl) rubber (IIR)
| HS code | 400231 |
|---|---|
| Description | Isobutene-isoprene (butyl) rubber (IIR) |
| Chapter | 40 |
| Section | VII — Plastics and rubber |
The first six digits of an HS code are harmonized worldwide. Countries extend it with extra digits and their own duty rates — below are the US HTS (10-digit) equivalents. Always confirm with official customs sources before shipping.
US HTS equivalents (1)
| HTS code | Description | Duty |
|---|---|---|
4002310000 | Isobutene-isoprene (butyl) rubber (IIR) | Free |