Power Plant No. 4 Type Fuel Oil ULS from Mexico
Ultra-low sulfur (≤500 ppm) No. 4 fuel oil for backup generators in power plants, with Saybolt viscosity 45-125 sec at 37.8°C and API <25°, per HTS 2710.19.06.05 specs. Provides reliable heavy fuel for peak shaving operations.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Comply with EPA refinery baselines for imported fuels; provide SARA Title III reports
• Test for water/sediment content per ASTM D1796
• Pitfall: Seasonal blending variations affecting consistent classification