Blended No. 4 Marine Bunker Fuel from Mexico
A No. 4-type fuel oil blended for marine bunker use, meeting the 45-125 SUS viscosity at 37.8°C and under 25° API per HTS 2710.20.0510 criteria. Contains permitted biodiesel and bituminous mineral oils for ship propulsion in intermediate ports.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide MARPOL Annex VI sulfur content certification; exceeding limits triggers environmental penalties
• Declare exact biodiesel percentage as it affects base oil constituent calculation for 70% threshold
• Use ISO 8217 test methods for viscosity verification to prevent disputes during customs inspection