Harmonized System Code (HS) Lookup & Finder
Your HS codes determine your compliance, your admissibility, and which supply chain advantages you can capture. See how precision classification can protect your finances and unlock greater strategy.
HS Code 3811
Antiknock 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
U.S. Tariff Rates
A+/Only imports from least-developed beneficiary developing countries eligible for GSP under that subheading (duty-free treatment).
Afghanistan, Angola, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Cen African Rep, Chad, Comoros, Congo (DROC), Djibouti, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Lesotho, Liberia, Madagascar, Malawi, Mali, Mauritania, Mozambique, Nepal, Niger, Rwanda, Samoa, Sao Tome & Prin, Senegal, Sierra Leone, Solomon Is, Somalia, South Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Vanuatu, Yemen, Zambia
AU/Australia Special Rate
Australia
BH/Bahrain Special Rate
Bahrain
CL/Chile Special Rate
Chile
CO/Colombia Special Rate
Colombia
D/Africa Growth and Opportunity Act (AGOA) (duty-free treatment)
Angola, Benin, Botswana, Burkina Faso, Cameroon, Cape Verde, Chad, Comoros, Congo (ROC), Cote d`Ivoire, Djibouti, Ethiopia, Gabon, Ghana, Guinea, Guinea-Bissau, Kenya, Lesotho, Liberia, Madagascar, Malawi, Mali, Mauritania, Mauritius, Mozambique, Namibia, Niger, Nigeria, Rwanda, Sao Tome & Prin, Senegal, Seychelles, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Zambia
E/Caribbean Basin Initiative (CBI)
CBERA
IL/Israel Special Rate (duty-free treatment)
Israel
JO/Jordan Special Rate
Jordan
KR/Korea Special Rate
Korea
MA/Morocco Special Rate
Morocco
OM/Oman Special Rate
Oman
P/Dominican Republic- Central America Free Trade Agreement (DR-CAFTA)
CAFTA + Dom. Rep.
PA/Panama Special Rate
Panama
PE/Peru Special Rate
Peru
SG/Singapore Special Rate
Singapore