Refined Petroleum Product Specifications

A) Specifications for Premium Motor Spirit (PMS) – Gasoline
S/No Characteristics Requirements
1 Appearance Clear and Bright
2 Color Ox blood red
3 Free Water Nil
4 Suspended Matter Nil
5 Specific Gravity at 15/15 oC 0.720 – 0.780
6 Distillate Evaporated at:
(a)70 oC, % (v/v), max
(b)125 oC, % (v/v), max
(c)180 oC, % (v/v), max
10
50
90
7 End Boiling Point, oC (max) 210
8 Residue, % (v/v), max 2
9 Copper Corrosion, 3h at 50 oC (max) Class 1b
10 Sulphur Content, % (m/m) 0.10
11 Existent Gum (solvent-washed), mg/100mL, max 4
12 Oxidation Stability, oC (min) 360
13 Reid Vapor Pressure, kPa (max) 62.0 (9psi)
14 Lead Content, max 5ppm
15 Benzene, %m/m (max) 2.0
16 RON, min 90

B) Specification for Diesel Fuel (AGO)
S/No Characteristics Requirements
1 Appearance Clear and Bright
2 Color, ASTM (max) 3.0
3 Specific Gravity at 15/15 oC 0.820-0.870
4 Acidity (inorganic acid) Nil
5 Total Acid Number mgKOH/g (max) 0.50
6 Distillation:
a) Percent recovery at 357 oC (v/v) (min)
b) Final boiling point, oC (max)
90
385
7 Flash Point, oC (min) 66
8 Kinematic Viscosity at 37.8 oC (cSt) 1.6 – 5.6
9 Cloud Point, oC (max) 4.4
10 Conradson Carbon – Residue on 10% residue, % wt (max) 0.15
11 Ash, % wt, (max) 0.01
12 Copper Strip Corrosion, 3h at 100 oC Not worse than No 1
13 Sediment, % wt. (max) 0.01
14 Total Sulphur, % vol. (max) 0.3
15 Water Content, % vol. (max) 0.05
16 Diesel Index (mm) 47

C) Specification for Kerosene (DPK)
S/No Characteristics Requirements
1 Appearance Clear and Bright
2 Color (Saybolt), (min) +20
3 Specific Gravity at 15oC 0.775 – 0.825
4 Total Acidity, mgKOH/g, (max) 0.01
5 Distillation:
(a)Percent recovery at 200 oC, % vol., (min)
(b)Final boiling point, oC, (max)
20
300
6 Burning Quality:
(a)Clean char (on oil consumed), mg/kg (max)
(b)Bloom on glass chimney
15
Not darker than grey
7 Flash Point (Abel), oC (min) 45
8 Copper Corrosion, 2hr at 100, (max) 1b
9 Smoke Point, mm, (min) 22
10 Sulphur Content, % wt., (max) 0.14