HTS heading · chapter 38
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
Analysis
Heading 3811 of the Harmonized Tariff Schedule covers 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…. It divides into 5 six-digit subheadings and 6 eight-digit tariff lines, with 6 ten-digit statistical suffixes below them.
The spread of 6.5 percentage points between the cheapest and dearest lines makes misclassification expensive here. The highest rate, 6.5%, applies to 3811.19.00 (antiknock preparations: other) and 3811.21.00 (containing petroleum oils or oils obtained from…).
2 of its 6 lines with a percentage rate are duty-free at the general rate (33%) and 4 are dutiable, from duty-free up to 6.5%. The median line pays 6.5%.
Its median rate of 6.5% sits at the 86th percentile of the headings in chapter 38.
The largest subheadings are 3811.11 (based on lead compounds, 2 lines), 3811.19 (unnamed, 1 line), 3811.21 (unnamed, 1 line) and 3811.29 (unnamed, 1 line).
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 3811.11.10 | Based on tetraethyl lead or on a mixture of tetraethyl lead and tetramethyl lead | Free |
| 3811.11.50 | Based on lead compounds: other | Free |
| 3811.19.00 | Antiknock preparations: other | 6.5% |
| 3811.21.00 | Containing petroleum oils or oils obtained from bituminous minerals | 6.5% |
| 3811.29.00 | Additives for lubricating oils: other | 6.5% |
| 3811.90.00 | 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: other | 6.5% |