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Fuel Oils

Mazut M100

Russian-origin heavy fuel oil for power generation and marine use.

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

Mazut M100 is a heavy, low-quality fuel oil used in power generation and large industrial boilers. Produced primarily in Russia and former Soviet states, it is derived from the residuum of crude oil distillation. The "M100" designation refers to the viscosity specification under the Russian GOST standard.

M100 Fuel Oils

Technical specifications

The following specifications represent typical industry standards for Mazut M100. Actual specifications may vary by producer and should be confirmed with the seller.

Technical specifications of Mazut M100
ParameterSpecification
Density @ 20°C920-1015 kg/m³
Flash PointMin. 90°C
Pour PointMax. 25°C
Viscosity @ 80°CMax. 118 mm²/s
Viscosity @ 100°CMax. 50 mm²/s
Sulfur Content0.5-3.5% mass
Ash ContentMax. 0.14% mass
Water ContentMax. 1.0% mass
Mechanical ImpuritiesMax. 0.5%
VanadiumMax. 400 ppm
Heat of CombustionMin. 39.9 MJ/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:

  • GOST 10585-99Russian State Standard for Fuel Oil
  • GOST 10585-2013Updated Russian Fuel Oil Standard
  • ISO 8217 RMGMarine Fuel Equivalent

Common applications

  • Power generation plants
  • Industrial boilers
  • Marine bunker fuel
  • District heating systems
  • Cement production
  • Metallurgical applications

Packaging & delivery options

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

  • Bulk vessel (heated)
  • Rail tank cars (heated)
  • Pipeline (heated)
  • Shore tank storage (heated)