ASTM D-6751 / BIS standards for biodiesel |
|
Flash point (closed cup) |
130°C min. (150°C average) |
Water and sediment |
0.050% by vol., max. |
Kinematic viscosity at 40°C |
1.9-6.0 mm2/s |
Ramsbottom carbon residue, % mass |
0.10 |
Sulfated ash |
0.020% by mass, max. |
Sulfur |
0.05% by mass, max. |
Copper strip corrosion |
No. 3 max |
Cetane |
47 min. |
Carbon residue |
0.050% by mass, max. |
Acid number -- mg KOH/g |
0.80 max. |
Free glycerin |
0.020 % mass |
Total glycerine (free glycerine and unconverted glycerides combined) |
0.240% by mass, max. |
Phosphorus content |
0.001 max. % mass |
Distillation |
90% @ 360°C |