When selling diesel fuel on Alibaba.com to international buyers, understanding specification standards is not optional—it's your license to operate. Two dominant standards govern the global diesel trade: ASTM D975 (United States) and EN590 (European Union). Each has distinct requirements for sulfur content, cetane number, viscosity, and biofuel blending. Southeast Asian buyers increasingly demand compliance with one or both standards depending on their end market.
ASTM D975 vs EN590: Complete Specification Comparison
| Parameter | ASTM D975 (US Standard) | EN590 (EU Standard) | Impact on Export Pricing |
|---|---|---|---|
| Sulfur Content | ≤15ppm (ULSD Grade S15) | ≤10mg/kg | EN590 commands 5-8% premium due to stricter refining |
| Cetane Number | Minimum 40 | Minimum 51 | Higher cetane = better combustion efficiency |
| Biofuel Blend | Up to 5% biodiesel (B5) | Up to 7% FAME (B7) | Affects cold weather performance |
| Flash Point | Minimum 52°C | Minimum 55°C | Safety and transportation compliance |
| Viscosity (40°C) | 1.3-4.1 cSt | 2.0-4.5 cSt | Engine injection system compatibility |
| Density (15°C) | Not specified | 0.820-0.845 kg/l | Energy content per volume |
| Primary Markets | North America, parts of Asia | Europe, Africa, Middle East | Determines your target buyer regions |
The sulfur content difference alone can determine whether your cargo clears customs. Indonesia, Thailand, and Malaysia have adopted Ultra Low Sulfur Diesel (ULSD) standards aligned with ASTM D975, while Singapore's refining hub serves both ASTM and EN590 markets. Vietnam and Philippines are transitioning from 500ppm to 50ppm and eventually 10ppm standards by 2027-2028. For sellers on Alibaba.com, this means you must clearly specify which standard your diesel fuel meets in product listings—buyers filter by certification before initiating contact.
ASTM D975 covers five diesel fuel grades (No. 1-D, No. 2-D, No. 4-D, and two low-temperature grades). The S15 designation (15ppm sulfur) is mandatory for on-road vehicles in the US under EPA regulations. S500 (500ppm) is still permitted for off-road, locomotive, and marine applications but is being phased out [2].

