Page 651 - The Central Motor Vehicles Rules, 1989

ANNEXURE IV-V THE CENTRAL MOTOR VEHICLES RULES, 1989 623

ANNEXURE IV-V
[Refer rule 115(19)] ANNEXURE IV-V
SPECIFICATION OF COMMERCIAL DIESEL FUEL
Characteristics Unit Requirements
Ash, max % mass 0.01

Carbon Residue (Ramsbottom) on 10% residue, max % mass 0.3 without
additives
Cetane number (CN), min 51
Cetane Index (CI), min 46

Distillation:
95% vol. recovery at ˚C, max ˚C 360
Flash point:
(a) Abel, min ˚C 35
Kinematic Viscosity @ 40˚C cst 2.0-4.5
Density @15˚C, max kg/m 3 845

Total Sulphur, max. mg/kg 10
Water content, max mg/kg 200
Cold filter Plugging point (CFPP)
(a) Summer, max ˚C 18
(b) Winter, max ˚C 6
Total contaminations, max mg/kg 24
Oxidation stability, max g/m 3 25

Polycyclic Aromatic Hydrocarbon (PAH), max % mass 8
Lubricity, corrected wear scar diameter @ 60˚C, max mm (microns) 460
Copper strip corrosion for 3 hrs @ 50˚C rating Class - 1
FAME content max. % v/v 7.0
Note :
1. Test methods and other provisions/details along with the requirements as given
above shall be issued by Bureau of Indian Standards.
2. The Cetane number (CN), (min) shall be permitted up to 48 in North Eastern
States till 01.04.2023.