No. 6 Fuel Oil (Biodiesel Blend) from Canada
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 — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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