400231Isobutene-isoprene (butyl) rubber (IIR)
イソブテン－イソプレンゴム（ブチルゴム又はIIR）
HS code 400231 is a Subheading (6-digit) classification number. In Japan's trade statistics (published by Ministry of Finance), it represents import/export items classified as “Isobutene-isoprene (butyl) rubber (IIR)”.
Latest trade statistics
In May 2026, Japan's imports under HS code 400231 (Isobutene-isoprene (butyl) rubber (IIR)) totaled ¥97M (YoY +53.6%), with a volume of 180,108 KG at about ¥536/KG. The top import sources are Singapore (64.5%), United States of America (16.8%), Canada (7.5%). Exports totaled ¥317M (YoY +52.2%), with a volume of 667,913 KG at about ¥475/KG. The top export destinations are People's Republic of China (53.4%), Indonesia (14.9%), South Africa (8.5%).
Top export destinations (2025)
| # | Country | Value | Share | Qty | Unit price |
|---|---|---|---|---|---|
| 1 | People's Republic of China | ¥1B | 53.4% | 4,021,250 KG | ¥369/KG |
| 2 | Indonesia | ¥415M | 14.9% | 891,855 KG | ¥465/KG |
| 3 | South Africa | ¥236M | 8.5% | 522,240 KG | ¥451/KG |
| 4 | Thailand | ¥157M | 5.6% | 430,313 KG | ¥364/KG |
| 5 | Republic of Korea | ¥141M | 5.1% | 309,092 KG | ¥455/KG |
Top import sources (2025)
| # | Country | Value | Share | Qty | Unit price |
|---|---|---|---|---|---|
| 1 | Singapore | ¥557M | 64.5% | 1,319,513 KG | ¥422/KG |
| 2 | United States of America | ¥145M | 16.8% | 225,456 KG | ¥643/KG |
| 3 | Canada | ¥65M | 7.5% | 160,412 KG | ¥404/KG |
| 4 | People's Republic of China | ¥49M | 5.7% | 110,016 KG | ¥449/KG |
| 5 | Russia | ¥48M | 5.5% | 134,280 KG | ¥355/KG |
Related codes
Other codes in the same classification group
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