D6 Residual Fuel Oil · Power Generation & Marine Bunker
D6 (Virgin Fuel Oil / Residual Fuel) — a heavy refined petroleum product widely used in power generation, industrial boilers, and marine bunkering. Supplied per ASTM D396 (Grade No. 6) and ISO 8217 RMG/RMK specifications.
| Parameter | Specification | Test Method / Standard |
|---|---|---|
| API Gravity @ 60°F | 10–16 °API | ASTM D287 |
| Sulfur Content | ≤ 2.5 % m/m max (HSFO) | ASTM D4294 |
| Sulfur Content (LSFO) | ≤ 0.50 % m/m max (IMO 2020) | ISO 8217:2017 |
| Kinematic Viscosity @ 50°C | 100–380 mm²/s | ASTM D445 |
| Viscosity (Saybolt Furol @ 122°F) | 300–750 SFS (approx) | ASTM D88 |
| Flash Point | ≥ 60 °C min | ASTM D93 |
| Pour Point | ≤ 27 (summer) / ≤ 15 (winter) °C max | ASTM D97 |
| Density @ 15°C | 960–1010 kg/m³ | ASTM D4052 |
| Ash Content | ≤ 0.15 % m/m max | ASTM D482 |
| Carbon Residue (MCR) | ≤ 15 % m/m max | ASTM D4530 |
| Water Content | ≤ 0.50 % v/v max | ASTM D95 |
| Vanadium | ≤ 350 mg/kg max | ASTM D5185 |
| Net Heat of Combustion | ≥ 40.0 MJ/kg min | ASTM D4868 |
| Aluminium + Silicon | ≤ 80 mg/kg max | ISO 10478 |
FOB refinery or US Gulf Coast terminal — buyer arranges AFRA-class tanker
CIF discharge port — seller covers all freight/insurance to buyer's terminal
Direct delivery to vessel at approved bunkering ports (Rotterdam, Singapore, Fujairah)
Annual supply agreements with monthly liftings on REBCO or WTI pricing basis
Submit a Letter of Intent (LOI) or talk to Lizzy, our trade specialist, for a formal quote and supply terms.
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