Commercial Boiler No. 4 Fuel Oil (>500 ppm S) from China
Distillate fuel oil formulated for multi-burner commercial boilers, with precise 50-100 SUS viscosity, 27 API gravity, and sulfur content over 500 ppm. Precisely matches HTS 2710.19.11.25 for No. 4-type residual fuels in heating applications.
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
• Provide burner compatibility data; mismatched fuels risk reclassification disputes
• Sulfur content must be lab-certified; discrepancies trigger CBP audits
• Use heated storage declarations for viscosity stability during transit