Industrial No. 4 Boiler Fuel (Sulfur >500 ppm) from China
Heavy distillate/residual blend for industrial boilers, featuring Saybolt viscosity 45-125 seconds at 37.8°C, API <25°, and sulfur >500 ppm. Precisely matches HTS 2710.19.06.15 for high-sulfur No. 4-type fuel oils used in stationary combustion.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Lab-test per ASTM D88 for viscosity and D4294 for sulfur prior to shipment; obtain end-user certifications for non-road use exemptions; file via ACE with detailed fuel specs to prevent audits