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Rovas Diesel 10W-40 B4

Semi-synthetic motor oil for passenger cars

Rovas Diesel 10W-40 B4 is a high-performance motor oil for diesel engines of passenger cars and vans. The product matches the design features of up-to-date diesel engines (high combustion chamber pressure and heat release, fuel-lean operation, short period of carburation and fuel combustion). Suitable for engines with or without turbochargers. Meets the requirements of modern direct injection systems.

  • Very good low-temperature properties
  • Cold start wear protection
  • Very high thermal stability and oxidation resistance
  • Excellent resistance against foaming
  • Good detergency and dispersancy level
  • High viscosity index
  • ACEA B4
  • API CF
  • VW 505.00
  • MB 229.1/229.3
  • Renault RN 0700
Properties Unit Method Value
SAE viscosity class SAE J3000 10W-40
Density at 15°C kg/l ASTM D4052 0.869
Kinematic viscosity at 40°C mm²/s ASTM D7042 92.3
Kinematic viscosity at 100°C mm²/s ASTM D7042 13.9
Viscosity index ASTM D2270 149
Viscosity CCS at -25°C, max. cP ASTM D5293 7,000
Flash point COC °C ASTM D92 224
Pour point °C ASTM D97 -35
Total base number mg KOH/g ASTM D2896 10.5
Sulphated ash %(w) ASTM D874 1.33