Property

Raw castor oil results

Purified/ commercial castor oil results

Standard SANS specification limits

Reference

Test method

AAD Raw castor oil

AAD Refined/ commercial castor oil

Kinematic viscosity (cSt) @ 50˚C

1.98

2.98

1.9 - 6

[28]

ASTM D445

0.003

0.03

Ash (g)

0.003

0.005

-

-

ASTM D874

-

-

Flash point ˚C

114

116

130 max

[5]

ASTM D93

0.70

0.40

Sulphur (ppm)

0.64

0.65

10 max

[4]

ASTM D5453

0.36

0.35

Density kg/m³ at 25˚C

920

960

860 - 900

[28]

ASTM D1298/4052

0.01

0.032

Water content % vol. at 25˚C

0.05

0.04

0.05 max

[5] [28]

ASTM D2709

0.00

0.20

Calorific Value kJ/kg

44121

44121

44000

[28]

0.003

0.003