3811Anti-knock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils:
アンチノック剤、酸化防止剤、ガム化防止剤、粘度指数向上剤、腐食防止剤その他の調製添加剤（鉱物油（ガソリンを含む。）用又は鉱物油と同じ目的に使用するその他の液体用のものに限る。）
HS code 3811 is a Heading (4-digit) classification number. In Japan's trade statistics (published by Ministry of Finance), it represents import/export items classified as “Anti-knock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils:”. This code has 5 subcategories defined below it.
Latest trade statistics
In May 2026, Japan's imports under HS code 3811 (Anti-knock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils:) totaled ¥5B (YoY -3.3%), with a volume of 7,501,089 KG at about ¥641/KG. The top import sources are Singapore (41.2%), United States of America (27.2%), Germany (7.8%). Exports totaled ¥3B (YoY +8.6%), with a volume of 2,733,692 KG at about ¥1,042/KG. The top export destinations are People's Republic of China (23.4%), United States of America (15.6%), Singapore (8.1%).
Top export destinations (2025)
| # | Country | Value | Share | Qty | Unit price |
|---|---|---|---|---|---|
| 1 | People's Republic of China | ¥8B | 23.4% | 9,692,535 KG | ¥812/KG |
| 2 | United States of America | ¥5B | 15.6% | 6,254,538 KG | ¥837/KG |
| 3 | Singapore | ¥3B | 8.1% | 4,224,225 KG | ¥644/KG |
| 4 | Thailand | ¥2B | 7.4% | 3,458,001 KG | ¥722/KG |
| 5 | Republic of Korea | ¥2B | 7.4% | 3,020,347 KG | ¥824/KG |
Top import sources (2025)
| # | Country | Value | Share | Qty | Unit price |
|---|---|---|---|---|---|
| 1 | Singapore | ¥25B | 41.2% | 50,973,250 KG | ¥495/KG |
| 2 | United States of America | ¥17B | 27.2% | 16,637,155 KG | ¥1,001/KG |
| 3 | Germany | ¥5B | 7.8% | 6,365,555 KG | ¥749/KG |
| 4 | People's Republic of China | ¥4B | 7.1% | 8,600,532 KG | ¥509/KG |
| 5 | France | ¥3B | 4.9% | 3,345,905 KG | ¥896/KG |
Subcategories5items
Related codes
Other codes in the same classification group
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