Eco No. 4 Boiler Fuel Oil ULS
Ultra-low sulfur (≤500 ppm) No. 4 boiler fuel with biodiesel, viscosity 45-125 SUS, ≥25° API, for stationary combustion. HTS 2710.20.10.15 due to sulfur limit and biodiesel in ≥70% petroleum base.
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Alternative Classifications
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Import Tips & Compliance
• Use accredited labs for sulfur (ASTM D5453); discrepancies void low-sulfur status
• Declare barrel volumes at 15.6°C per US note for accurate duty calculation
Related Products under HTS 2710.20.10.15
No. 4 Low-Sulfur Marine Fuel Oil
A No. 4-type distillate fuel oil with Saybolt Universal viscosity between 45-125 seconds at 37.8°C, testing 25° API or more, and containing ≤500 ppm sulfur, designed for marine bunker use. It falls under HTS 2710.20.10.15 due to its specific viscosity, gravity, biodiesel content (≥70% petroleum oils), and low sulfur specification for environmental compliance.
Low-Sulfur No. 4 Generator Fuel Oil
No. 4 diesel blend with biodiesel for backup generators, ≤500 ppm sulfur, ≥25° API, 45-125 SUS viscosity. Meets HTS 2710.20.10.15 criteria for low-sulfur, biodiesel-containing residual/distillate fuel oils.
B20 No. 4 Low-Sulfur Fuel Oil Blend
20% biodiesel (B20) blended No. 4 fuel oil with ≤500 ppm sulfur, 25°+ API gravity, and 45-125 SUS at 37.8°C for industrial burners. Classified in 2710.20.10.15 for biodiesel fuel oils meeting exact physical specs.
No. 4 Ultra-Low Sulfur Industrial Fuel Oil
Industrial-grade No. 4 fuel oil blended with biodiesel, featuring ≤500 ppm sulfur, 25°+ API gravity, and 45-125 SUS viscosity at 37.8°C for use in boilers and heavy machinery. Classified under 2710.20.10.15 for its low-sulfur profile, specific physical properties, and predominant petroleum oil composition.
Biodiesel-Blended No. 4 Heating Fuel Oil
A low-sulfur (≤500 ppm) No. 4 heating oil with biodiesel, 25°+ API, and viscosity 45-125 SUS at 37.8°C, used in commercial heating systems. HTS 2710.20.10.15 applies due to its fuel oil specs, biodiesel inclusion, and sulfur limit per subheading requirements.