No. 6 Fuel Oil (Biodiesel Blend) from China
No. 6 fuel oil is a high-viscosity residual fuel with Saybolt Universal viscosity >125 seconds at 37.8°C and API gravity under 25 degrees, blended with biodiesel to meet the 70%+ petroleum oil requirement. Classified in HTS 2710.20.0520 for heavy fuel oils used in industrial boilers and power generation. It requires preheating for proper flow.
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 flash point and sulfur content certificates as CBP often requires them for fuel oils; declare exact biodiesel percentage accurately
• Avoid pitfalls by not blending post-import, which could trigger reclassification