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Diesel Fuels

D6 Diesel (Residual Fuel Oil)

Heavy residual fuel for marine and industrial applications.

Custodian notice. Eurabelt Fuels Ltd does NOT own or supply this product. We verify buyers and sellers and introduce verified parties to one another; the parties transact. Specifications shown are industry standards; actual product details depend on the seller.

Product overview

D6 Fuel Oil, also known as Residual Fuel Oil or Bunker C, is a heavy viscous fuel produced from the residuum of crude oil refining. It is primarily used in large marine vessels and industrial boilers where fuel cost is prioritized over ease of handling.

D6 Diesel Fuels

Technical specifications

The following specifications represent typical industry standards for D6 Diesel (Residual Fuel Oil). Actual specifications may vary by producer and should be confirmed with the seller.

Technical specifications of D6 Diesel (Residual Fuel Oil)
ParameterSpecification
Density @ 15°C920-1010 kg/m³
Flash PointMin. 60°C
Pour PointMax. 30°C
Viscosity @ 50°C180-700 mm²/s
Sulfur Content1.0-4.0% mass
VanadiumMax. 450 mg/kg
Ash ContentMax. 0.15% mass
Water ContentMax. 0.5% vol
Carbon ResidueMax. 22% mass
Aluminum + SiliconMax. 80 mg/kg
Industry‑standard reference information · Eurabelt Fuels Ltd · Custodian of the Eurabelt verification system

Industry standards & certifications

This product is typically produced in accordance with the following international standards:

  • ISO 8217 RMG/RMKMarine Residual Fuel Standards
  • ASTM D396 No. 6US Fuel Oil Standard

Common applications

  • Large marine vessels (before IMO 2020)
  • Power generation plants
  • Industrial boilers
  • Cement kilns
  • Steel manufacturing
  • Large heating systems

Packaging & delivery options

Verified sellers in our network typically offer the following delivery methods:

  • Bulk vessel (heated cargo)
  • Bunker barge
  • Shore tank storage (heated)
  • Pipeline (heated)