BS 2869 A2 Grade Fuel Oil Specifications | 123 Oil

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A2 Grade Fuel Oil Specifications

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A2-grade fuel oil is the highest-grade fuel being used for agricultural and off-road vehicles. Our red diesel meets the specifications of BS 2869 A2-grade fuel oils. It can be used in untaxed vehicles and commercial and domestic machinery. You can learn more about our red diesel by reading our red diesel FAQs.

The specifications of A2 grade oils as per BS 2869 standard are given in the table below.

You can learn more about these standards in our fuel specification guide.

ParameterUnitMinimumMaximumTypical
AppearanceClear & bright, cherry red, free from visible sediments
Ash content% (m/m)0.01<0.01
Carbon% (m/m)87
Carbon residue(Ramsbottom on 10% residue)% (m/m)0.30.1
Cetane number4548
Cold filter plugging point(1) Summer°C-4-8
Cold filter plugging point(1) Winter°C-12-14
Copper corrosion(3 hrs at 50°C)Class11a
Density at 15°Ckg/m³0.820.86
Distillation recovery at 250°C% (v/v)6542
Distillation recovery at 350°C% (v/v)8592
Fatty acid methyl ester (FAME)% (v/v)7<0.1
Flashpoint (PMCC)°C56>62
Gross specific energy (MJ/kg)MJ/kg45.4
Gross specific energy (MJ/litre)MJ/litre38.8
Hydrogen% (m/m)12.75
Kinematic viscosity at 40°Cmm²/s1.55.53
Lubricity (HFRR)µm460<460
Mean specific heat capacity over 0 – 100°CKJ/kg °C2.05
Nitrogen% (m/m)0.01 – 0.05
Oxidation stability 0.0 – 7.0% FAMEg/m³25
Oxidation stability 2.0 – 7.0% FAMEh20
Particulate contentmg/kg24<10
Strong acid numbermg KOH/gNilnil
Sulphur content% (m/m)0.002<0.098
Volume correction factorper °C0.00081
Water contentmg/kg200<100

 

Download A2 Grade Fuel Oil Specifications in PDF here.

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