HS Code 3811
Fuel and Oil Additives
HS code 3811 covers anti-knock preparations, oxidation inhibitors, and viscosity improvers added to petrol and mineral oils to enhance performance.
4-digit Section VIFCL Hazmat 3
HS Code 3811 — Fuel and Oil Additives
This code covers chemical preparations added to mineral oils like petrol, diesel, and lubricants. These additives serve to prevent knocking in engines, stop oxidation, improve viscosity, and protect against corrosion.
What's included
- Anti-knock preparations
- Gum inhibitors for gasoline
- Viscosity index improvers
- Anti-corrosive oil additives
- Fuel detergents
What's excluded
- Base lubricants containing >70% oil → use
2710(Oils with majority mineral oil content fall under Chapter 27)
Common examples
- Octane booster for petrol
- Diesel fuel injector cleaner
- Viscosity modifier for motor oil
- Cetane improver for diesel engines
Frequently asked questions
What is the difference between 3811 and 2710?
3811 is for concentrated chemical additives, whereas 2710 is for the finished mineral oils themselves.
Trade & shipping notes
- Typical duty range: 0% - 6.5%
- Documentation: Additives containing specific high-energy components may require export control review.
- Typical shipping mode: FCL
- Top exporters: United States, Singapore, Belgium, France
- Top importers: China, Canada, Germany, United Kingdom
Related HS codes
Key takeaway
Critical for the automotive industry; classification depends on the specific function of the chemical additive.
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