Residual Boiler Fuel Oil IFO
IFO-grade residual fuel for boilers, viscosity >125 seconds Saybolt at 37.8°C, <25° API, biodiesel-blended with petroleum >70%. HTS 2710.20.0520 for such heavy fuel oils in industrial heating. High BTU value for cement/steel production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-biodiesel boiler fuels
Straight-run residuals without biodiesel use parallel non-biodiesel codes.
If petrolatum-added
Additives like petrolatum shift to petroleum jelly/wax headings.
Not sure which classification is right?
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Import Tips & Compliance
• Certify compliance with ASTM D396 fuel standards; track chain of custody for blends
• Common issue: Incomplete refinery origin docs trigger valuation disputes
Related Products under HTS 2710.20.05.20
Bunker C Heavy Fuel Oil
Bunker C is a heavy residual fuel oil with high viscosity exceeding 125 Saybolt Universal seconds at 37.8°C, derived from petroleum refining residues. It falls under HTS 2710.20.0520 as a distillate and residual fuel oil testing under 25 degrees A.P.I., containing biodiesel blends where petroleum oils exceed 70% by weight. Primarily used for marine propulsion in large ships.
No. 6 Fuel Oil (Biodiesel Blend)
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.
Marine Heavy Fuel Oil (HFO 380)
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.
Industrial Boiler Heavy Fuel Oil
This heavy fuel oil for large industrial boilers has Saybolt viscosity over 125 seconds at 37.8°C, under 25° API, with biodiesel making petroleum oils >70% of composition. HTS 2710.20.0520 covers such residual blends for stationary combustion. It provides high energy density for manufacturing plants.
Power Plant Residual Fuel Oil (B20 Blend)
A B20 biodiesel blend (20% biodiesel, 80% petroleum residual) with viscosity >125 SUS at 37.8°C and <25° API, used in utility power plants. It qualifies for HTS 2710.20.0520 as petroleum-dominant heavy fuel oil preparation. Designed for efficient combustion in large turbines.
IFO 180 Heavy Marine Fuel
IFO 180 (Intermediate Fuel Oil) is a blended heavy fuel with >125 Saybolt viscosity at 37.8°C, <25° API, incorporating biodiesel while maintaining >70% petroleum base. HTS 2710.20.0520 applies to this marine-grade residual for auxiliary engines. Meets global bunkering standards.