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Petroleo Brasileiro S.A. (Petrobras) has confirmed that it is to begin selling RMK-specification 500 centistoke (cSt) intermediate fuel oil (IFO) at the port of Santos from 1st August.

In an email announcement, the company stressed that "ISO 8217:2010 specification for residual marine fuels is guaranteed".

In addition to 500 cSt, Petrobras also sells 380 cSt, 180 cSt and marine gas oil (MGO) at the port of Santos.

Please find below a summary of the characteristics of ISO 8217:2010-specification RMK 500 product.

- Kinematic viscosity, maximum: at 50C: 500 cSt
- Density at 15C, kg/m3, maximum: 1010.0
- CCAI, maximum: 870
- Sulphur, % (m/m), maximum: Statutory requirements: 3.5%
- Flash point, minimum: 60.0C
- Hydrogen sulphide, mg/kg, maximum: 2.00
- Acid number, mg KOH/g, maximum: 2.5
- Total sediment aged, % (m/m), maximum: 0.10
- Carbon residue, % (m/m), maximum: 20.00
- Pour point (upper), winter quality, maximum: 30C
- Pour point (upper), summer quality, maximum: 30C
- Water, % (V/V), maximum: 0.50
- Ash, % (m/m), maximum: 0.150
- Vanadium, mg/kg, maximum: 450
- Sodium, mg/kg, maximum: 100
- Aluminium plus silicon, mg/kg, maximum: 60
- Used lubricating oil (ULO), mg/kg: Fuel shall be free of ULO. Fuel is considered to contain ULO when either:
Calcium and zinc: Calcium > 30 and zinc >15; or
Calcium and phosphorus: Calcium > 30 and phosphprus > 15

Contact details for Petrobras's head office in Rio de Janeiro have been provided below.

Telephone: +55 21 2166 8377
Telephone: +55 21 9 7210 6272
Email: bunker@petrobras.com.br
Website: www.petrobras.com.br

Address:
Av. Henrique Valadares, 28 28 Torre A 10 andar
Rio de Janeiro CEP 20.231-030
Brazil