Table 1 Characteristics of engine oil Castrol EDGE 5W40 C31.

From: Experimental testing of irradiated engine oil using an e-beam

Attribute

Method

Unit

Value

Density @ 15 °C, relative

ASTM D4052

g/ml

0.851

Kinematic viscosity, 100 °C

ASTM D445

mm2/s

13.2

Kinematic viscosity, 40 °C

ASTM D445

mm2/s

77

Viscosity index

ASTM D2270

176

Pour point

ASTM D97

°C

−39

Flash point, PMCC

ASTM D93

°C

197

Sulphated ash

ASTM D874

% wt

0.69