Biodiesel: ASTM International Specifications (B100)

The ASTM International Specifications for Biodiesel (D6751) states that the only form of biodiesel which can be legally resold for commercial operations must meet these specifications:

Property Test Method Limits Units
Flash point (closed cup) D 93 93 min C
Alcohol Control
One of the following must be met
1. Methanol content EN 14110 0.2 max % volume
2. Flash Point D 93 130 min C
Water and sediment D 2709 0.050 max Units% volume
Kinematic viscosity, 40C D 445 1.96.0 mm2/s
Sulfated ash D 874 0.020 max % mass
Sulfur D 5453 0.0015 max % mass
Copper strip corrosion D 130 No. 3 max N/A
Cetane number D 613 47 min N/A
*Cloud point D 2500 Report to customer* C
Carbon residue D 4530 0.050 max % mass
Acid number D 664 0.50 max mg KOH/g
Free glycerin D 6584 0.020 % mass
Total glycerin D 6584 0.240 % mass
Phosphorus content D 4951 0.001 max 0.001 max
Distillation temperature, atmospheric equiv. temp, 90% recovered
Sodium and Potassium Metals, combined EN 14538 5 max ppm
Calcium and Magnesium Metals, combined EN 14538 5 max ppm
Oxidative Stability EN 14112 3 min Hrs

*Cloud point varies depending on feedstock. Contact World Energy for the exact product specifications.