6-digit WCO subheading · globally harmonized
400231Isobutene-isoprene (butyl) rubber (IIR)
Global tariff comparison
Primary import duty for HS-6 400231 across 12 major trading jurisdictions
China tariff lines
2 national codes
| HS Code | Description | Primary rate |
|---|---|---|
| 4002311000 | 初级形状的异丁烯-异戊二烯橡胶 | 6% |
| 4002319000 | 异丁烯-异戊二烯橡胶板,片,带 | 7.5% |