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  • Appendix to Low Sulfur Fuel Oil Futures Contract of the Shanghai International Energy Exchange


I. Delivery Unit
The delivery unit of low sulfur fuel oil futures contract is 10 metric tons. The delivery quantity shall be integral multiple(s) of the delivery unit.
II. Quality Standards
Low sulfur marine fuel oil to be delivered shall meet the quality standards for low sulfur marine fuel oil set by the Shanghai International Energy Exchange (the “Exchange”). “Low sulfur marine fuel oil” refers to homogeneous hydrocarbon mixtures extracted from petroleum, with certain amount of additives permitted for performance and characteristics gains. Low sulfur marine fuel oil shall not contain any inorganic acid and used lubricating oil, nor any substance that may cause abnormal operations of ships, nor any artificially added additive or chemical waste that may endanger ship safety, adversely affect machine’s performance, or be harmful or increase air pollutions.
Specific rates of premium and discount will be separately prescribed and announced by the Exchange.
Quality Standards of Low Sulfur Fuel Oil of the Shanghai International Energy Exchange

Test Method
Kinematic viscosity (50 °C, mm2/s)
380.0 max
100.00 min
Density (15 °C, kg/m3)
991.0 max
930.0 min
ASTM D1298
Calculated Carbon Aromaticity Index (CCAI)
870 max
ISO 8217:2017(E)
Sulfur content (m/m, %)
0.50 max
ASTM D4294
Flash point (closed cup) (°C)
60.0 min
Hydrogen sulfide (mg/kg)
2.00 max
IP 570
Acid value (mg KOH/g)
2.5 max
Total sediment (thermal aging test) (m/m, %)
0.10 max
ASTM D4870
Carbon residue (m/m, %)
18.00 max
ASTM D4530
Pour point (°C)
30 max
Moisture (V/V, %)
0.50 max
Ash content (m/m, %)
0.100 max
Vanadium (mg/kg)
350 max
IP 501
Sodium (mg/kg)
100 max
IP 501
Aluminum + Silicon (mg/kg)
60 max
IP 501
Net calorific value (cal/g)
9,500 min
Used lubricating oil (ULO) (mg/kg)
Calcium and Zinc
Calcium and phosphorus
Fuel oil should be free of ULO, which is deemed to be present if any of the following conditions is met:
Ca > 30 and Zn > 15
Ca > 30 and P > 15
IP 501
Compatibility (level)
No higher than spot No. 2
ASTM D4740
Cleanness (level)
No higher than spot No. 2
ASTM D4740
Styrene (mg/kg)
20 max
GB/T 6041
Phenol (mg/kg)
10 max
GB/T 6041

III. Designated Delivery Storage Facilities
Designated Delivery Storage Facilities will be separately announced by the Exchange.

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