Aviation Turbine Fuel (ATF).

Sl. No. Characteristics Unit Method No. Requirement
Minimum Maximum
i) a) Visual Appearance Visual Clear, Bright and visually free from solid matter and un dissolved water at ambient fuel temperature.
  b) Colour ASTM D 156
/D6045
Report

 

  c) Particulate Contamination, at point
of manufacture
mg/l IP 423/
ASTM D 5452
1.0
 d) Particulate at point of manufacture.
Cumulative channel particle counts 1)      ≥ 4   µm (c)2)      ≥ 6   µm (c)3)      ≥ 14 µm (c)4)      ≥ 21 µm (c)

5)      ≥ 25 µm (c)

6)     ≥ 30 µm (c)

 

 

 

 

IP 565/ IP 577

 

 

Channel count/
ISO Code
Report

Report

Report

Report

Report

Report

ii) COMPOSITION
a. Acidity, Total mg KOH/gm IS 1448[P:113]/

ASTM D 3242/

IP 354

0.015
b. Aromatics % v/v IS 1448[P: 23]/

ASTM D 1319/

ISO 3837

25.0
c. Sulphur, total %  m/m IS 1448[P: 34]/

ASTM D4294/

ASTM D2622/

ASTM D5453/

ISO 8754

0.10
d. Sulphur, Mercaptans

 

or

% m/m IS 1448[P: 109]/

ASTM D 3227/

IP 342

0.0020
e. Doctor test IS 1448[P: 19]/

ASTM D4952/

IP 30

Negative

 

f. Refining component at the point of

manufacture,

1.Hydro processed component,

2.Severely hydro processed

component

 

 

% by vol

 

% by vol

 

 

Report

 

Report

iii)

 

 

 

 

 

 

 

 

 

 

 

VOLATILITY IS 1448[P:18]/

ASTM D86/

ISO 3405

 

 

 

 

 

 

 

Distillation

Initial boiling point

°C Report
10 % recovery by vol at °C 205.0
50 % recovery by vol at °C Report
90% recovery by vol at °C Report
End point °C 300.0
Residue % v/ v 1.5
Loss % v/ v 1.5
b. Flash point (PMCC) °C IS 1448[P: 21]/

ASTM D93/

IP 34/IP 523

61.0
c. Density at 15 °C. Kg/M3 IS 1448[P: 16]/

ASTM D4052/

ASTM D1298/

IP 365/IP 160

0.788 0.845
iv) FLUDITY
a. Freezing point

 

 

 

°C IS 1448[P: 11]/

ASTM D7153/

ASTM D2386/

IP 528

Minus 46
b. Kinematic viscosity

at – 20°C,

 

mm2/s IS 1448[P: 25]/

ASTM D445/

IP 71/ISO 3104

8.800
v) COMBUSTION

 

a). Specific energy,

 

MJ/kg

 

IS 1448[P: 6]

ASTM   D3338/

ASTM   D4809/

IP12/IP 355

42.60

 

 

 

 

 

 

 

 

 

 

 

 

 

3.0

b).Smoke point

or

mm IS 1448[P:31]

(Note 7)/IP 598

ASTM D 1322

ISO3014(manual)

25.0
c).Smoke point  and

 

 

 

Naphthalenes

 

mm

 

 

 

% v/v

IS 1448[P:31] (Note 7)/ IP 598

ASTM D 1322

ISO3014(manual)

 

IS 1448[P:118]/

ASTM D 1840

19.0

 

 

 

 

vi) CORROSION
a. Copper strip corrosion for 2 hrs at 100°C IS 1448[P: 15]/

ASTM D130

Not worse than No.1
b. Silver corrosion, 4 hrs at 50°C IP 227/99 Zero
vii) THERMAL STABILITY

JFTOT at control temp 260°C

  IS 1448[P:97]/

ASTM D3241/

IP 323

 

 

 

a.    Filter pressure differential

 

mm Hg 25
b.    Tube rating Visual Less than 3 No PEACOCK

or Abnormal colour deposits.

viii)

 

 

 

 

 

 

CONTAMINANTS
a). Existent gum

 

mg/100 ml IS 1448[P: 29]

/IP 540

7
b).Microseparometer rating at the  point of manufacture and before addition of LIA, Rating, IS 1448[P: 142]

(Note 12) /

ASTM D3948

85
c).Lubricity Wear scar diameter mm 0.65