Biodiesel standard and test way
item | standard | Test way | |
S500 | S50 | ||
Density (20°C) / (kg/m³) | 820--900 | GB/T 2540 | |
Kinematic viscosity (40°C)/(mm²/s) | 1.9-6.0 | GB/T 265 | |
Flash point(closed cup)/°C ≥ | 130 | GB/T 261 | |
Titre C(melting point) /°C | Actual measure | SH/T 0248 | |
Sulphur content(mass fraction)/% | 0.05 | 0.005 | SH/T 0689 |
10% Carbon residue (mass fraction)% ≤ | 0.3 | GB/T 17144 | |
Ash content (mass fraction) ≤ | 0.020 | GB/T 2433 | |
Moisture (mass fraction) ≤ | 0.1 | SH/T 0246 | |
mechanical impurity | NO | GB/T 511 | |
corrosiveness to copper-copper strip(50°C, 3h)/grade ≤ | 1 | GB/T 5096 | |
Cetane number ≥ | 49 | GB/T 386 | |
Oxidation stability(110°C)/hour ≥ | 5.0 | EN 14112 | |
Acid value/(mgKOH/g) ≤ | 0.8 | GB/T 264 | |
free glycerol content(mass fraction) % ≤ | 0.020 | ASTM D 6584 | |
total glycerin content(mass fraction) % ≤ | 0.240 | ASTM D 6584 | |
90% recovered temperature ≤ | 360 | GB/T6536 |