Blended No. 4-Type Boiler Fuel Ultra Low S
Blended distillate and residual petroleum oils forming No. 4 fuel with 25+° A.P.I., 45-125 seconds SUS at 37.8°C, ≤500 ppm sulfur for emission compliance. HTS 2710.19.11.15 applies as it meets exact viscosity and sulfur limits for this subheading. Essential for large-scale boiler operations in utilities.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sulfur ≤15 ppm (ultra-low)
Even lower sulfur tiers have dedicated subheading for strictest regs.
If containing biodiesel ≥70% total oils
Biodiesel blends excluded from 2710.19 per notes, shifting to 2710.20.
If sold as waste oil unusable except energy recovery
Contaminated or spent oils reclassified under waste oils in 2710.91.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Submit flash point and pour point data; fuels <38°C may require hazmat declarations
• Use calibrated tanks for import measurement at 15.6°C per US note barrel definition
• Avoid misdeclaration as waste oil (2715); clean certifications prevent EPA scrutiny
Related Products under HTS 2710.19.11.15
Power Plant No. 4 Distillate Fuel Low S
Distillate-heavy No. 4 fuel oil for power generation turbines, with A.P.I. ≥25°, viscosity 45-125 SUS at 37.8°C, sulfur ≤500 ppm. HTS 2710.19.11.15 due to matching subheading for low-sulfur No. 4-type oils. Optimized for peaking plants and backup generators.
No. 4 Fuel Oil Ultra-Low Sulfur
A medium-viscosity distillate fuel oil derived from petroleum refining, testing 25 degrees A.P.I. or more with Saybolt Universal viscosity at 37.8°C between 45 and 125 seconds, containing ≤500 ppm sulfur. Classified under HTS 2710.19.11.15 due to its specifications as a No. 4-type fuel oil for industrial heating and power generation. Used primarily in boilers and large burners where low sulfur reduces emissions.
Industrial No. 4 Heating Oil Low Sulfur
Petroleum-based No. 4 fuel oil for commercial heating systems, with ≥25° A.P.I., 45-125 SUS viscosity at 37.8°C, and sulfur ≤500 ppm. Falls under HTS 2710.19.11.15 as a distillate/residual blended fuel oil not elsewhere specified, excluding biodiesel or waste. Commonly used in manufacturing plants and district heating.
Marine No. 4 Fuel Oil Low Sulfur Compliant
Low-sulfur No. 4 petroleum fuel oil for auxiliary marine engines, ≥25° A.P.I., 45-125 SUS viscosity, ≤500 ppm S to meet harbor regulations. Classified in HTS 2710.19.11.15 for its precise fuel oil parameters excluding biodiesel. Used in inland waterway vessels and port operations.