Marine Heavy Fuel Oil (HFO 380) from China
HFO 380 is a heavy fuel oil for marine engines with viscosity >125 Saybolt seconds at 37.8°C, API <25°, and biodiesel incorporation where petroleum exceeds 70%. It matches HTS 2710.20.0520 for blended residual fuels not elsewhere specified. Used in oceangoing vessels requiring heated storage.
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
• Comply with MARPOL Annex VI sulfur limits with test reports; use ISO 8217 standard specs in entry docs
• Pitfall: Incorrect API declaration from uncalibrated hydrometers leads to audits