Bunker C Fuel Oil from China
Bunker C is a high-viscosity residual fuel oil from crude oil distillation, meeting HTS 2710.19.11.50 criteria with Saybolt viscosity >125 seconds at 37.8°C and API ≥25°. Primarily used as marine bunker fuel for large ships. Its classification reflects its role as a heavy fuel oil preparation with dominant petroleum content.
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 sulfur content analysis to meet EPA and MARPOL regulations during customs clearance
• Use temperature-controlled storage declarations to prevent viscosity changes during transit
• Confirm no biodiesel blending, as that excludes from this subheading per chapter notes