BS 2869 C1 Grade Fuel Oil Specifications | 123 Oil

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C1 Grade Fuel Oil Specifications


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C1 grade fuel oil or C1 kerosene is a clean-burning oil with a high smoke point and extremely low sulphur content, making it suitable for horticulture applications to produce carbon dioxide and heat. It can also be used as a home heating oil as it produces no acidic gases on combustion.

The table below provides a detailed overview of the chemical and physical specifications of C1-grade fuel oil.

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

AppearanceClear & bright, pale yellow, free from visible sediments
Char value(1)mg/kg103
Copper corrosion (2 hrs at 100°C)Class11
Density at 15°Ckg/m³ 0.820.775
Distillation recovery
at 200°C% (v/v)1560
at 240°C% (v/v)50
Final boiling point°C280
Flashpoint (PMCC)°C43
Gross calorific value(2)J/g46,500
Kinematic viscosity at 40°Cmm²/s21.1
Net calorific value(2)J/g43,000
Smoke pointmm34
Sulphur% (m/m)0.04<0.04
Water contentmg/kg200<100

Download C1 Grade Fuel Oil Specifications in PDF here.

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