ISO Specifications

Most common bunker grades and products

  • Intermediate Fuel Oil – 380 CST
  • Intermediate Fuel Oil – 180 CST ISO 8217: 2005 CLASS RME
  • Intermediate Fuel Oil – 120 CST
  • Marine Gas Oil – ISO 8217: 2005 – CLASS DMA
  • Lubricants

Intermediate Fuel Oil – 380 CST

Property Units Quality Spec Test Method
Density at 15°C kg/m3 991 max. ISO 3675 or 12185
Viscosity at 50°C CST 380 max. ISO 3104
Flash point (PMCC) °C 60 min. ISO 2719
Pour point °C 30 min. ISO 3016
Carbon residue % m/m 18 max. ISO 10370
Ash % m/m 0.15 max. ISO 6245
Water % v/v 0.5 max. ISO 3733
Sulphur %m/m 3.5 max. ISO 8754
Vanadium mg/kg 300 ISO 14597
Total sediment, potential %m/m 0.10 ISO 10307-2
Aluminium plus silicon mg/kg 80 ISO 10478
Used Lubricating Oil
-Zinc ppm 15 max. IP 501
-Phosphorus ppm 15 max. IP 501
-Calcium ppm 30 ppm. IP 501

Intermediate Fuel Oil – 180 CST

Property Units Quality Spec Test Method
Density at 15°C kg/m3 991 max. ISO 3675
Viscosity at 50°C CST 180 max. ISO 3104
Flash point (PMCC) °C 60 min. ISO 2719
Pour point °C 30 max. ISO 3016
Carbon residue % m/m 15 max. ISO 10370
Ash % m/m 0.10 max. ISO 6245
Water % v/v 0.5 max. ISO 3733
Sulphur % m/m 3.5 max. ISO 8754
Vanadium mg/kg 200 ISO 14597
Total sediment, potential % m/m 0.10 ISO 10307-2
Aluminium plus silicon mg/kg 80 ISO 10478
Used Lubricating Oil
- Zinc ppm 15 max. IP 501
- Phosphorus ppm 15 max. IP 501
- Calcium ppm 30 ppm. IP 501

Intermediate Fuel Oil – 120 CST

Property Units Data Test Method
Density at 15°C kg/l 0.9770 ISO 3675 OR ISO 12185
Flash Point Pm (CC) °C 75 ISO 2719
Viscosity, Kinematic at 50’C CST 120 ISO 3104
Water % vol 0.50 ISO 3733-99
Total Sediment Potential % m/m 0.07 ISO 10307-2
Pour Point °C 18 ISO 3016
Sulphur Content % m/m 3.50 ISO 8754
Carbon Residue, Conradson % wt 7.86 ISO 10370
Ash %m/m 0.05 ISO 6245
Vanadium mg/kg 70 ISO 14597
Aluminium plus silicon mg/kg 50 ISO 10478
Zinc mg/kg 9 ISO 10478-94
Phosphorus mg/kg 7 ISO 10478-94
Calcium mg/kg 27 ISO 10478-94

Marine Gas Oil – ISO 8217: 2005 – CLASS DMA

Property Units Quality Spec Test Method
Density at 15°C kg/m3 890 max. ISO 3675
Viscosity at 50°C CST 1.5 min/6.00 max. ISO 3104
Flash point (PMCC) °C 60 min. ISO 2719
Pour point °C -6 max. ISO 3016
Sulphur % m/m 0.1 max. ISO 8754
Cetane index 40 min ISO 5156
Carbon residual, 10% v/v distillation bottoms % m/m 0.30 max. ISO 10370
Ash % m/m 0.01 max. ISO 10307-2
Sediment % m/m 0.01 max. ISO 3735
Appearance Clear and bright Visual