Page 628 - The Central Motor Vehicles Rules, 1989

600 THE CENTRAL MOTOR VEHICLE RULES, 1989 ANNEXURE IV-C
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[ANNEXURE IV-C
[Refer Rule 115(10)] ANNEXURE IV-C
REFERENCE FUEL PETROL
ASTM Method

Minimum Maximum
Research Octane Number 95.0 D2699
Motor Octane Number 85.0 D2700
Denisty at 15˚C (kg/1) 0.748 0.762 D1298

Reid Vapour pressure 0.56 bar 0.64 bar D323
Distillation
Initial boiling point 24˚C 40˚C D86
10% vol. point 42˚C 58˚C
50% vol. point 90˚C 110˚C
90% vol. point 155˚C 180˚C
Final boiling point 190˚C 215˚C

Residue 2% D86
Hydrocarbon Analysis
Olefins 20% vol. D1319
Aromatics (including 45% vol. (*)
max. 5% Vol.; D36063/D2267
benzene)*
Saturates balance D1319
Oxidation Stability 480 minutes D525
Existent Gum 4mg/100 ml D381
Sulphur Content 0.04% mass D1266/D2622/
D2785
Copper Corrosion at 50˚C D130
Lead Content 0.005 g/ltr D3237
Phosphorous Content 0.0013 g/ltr D3231