No. 4 Fuel Oil (High Sulfur) from Mexico
A medium-weight distillate fuel oil derived from petroleum refining, testing 25 degrees A.P.I. or more with Saybolt Universal viscosity between 45-125 seconds at 37.8°C, containing over 500 ppm sulfur. Classified under HTS 2710.19.11.25 due to its specific gravity, viscosity, and sulfur content meeting the criteria for No. 4-type fuel oils used in industrial heating.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Verify sulfur content via ISO 8754 test to confirm >500 ppm and avoid misclassification to lower sulfur subheadings
• Provide certificate of analysis showing API gravity and Saybolt viscosity to Customs for proper entry
• Ensure compliance with EPA fuel sulfur regulations for end-use to prevent penalties on import