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Crude Oil

PropertyCrude OilFuel Oil
AppearanceDark liquid, varies from light to heavyDark liquid, generally black or dark brown
Density0.8 - 1.0 g/cm³ (varies with type)0.9 - 1.0 g/cm³
Viscosity1 - 1000 cP (varies with type and temperature)10 - 500 cP
Flash PointVaries widely, typically 30 - 100°CTypically 60 - 90°C
Pour PointVaries widely, typically -10 to 20°CTypically -15 to 20°C
Sulfur Content0.1% - 5% (varies with source)0.5% - 2%