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/ 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 | ||||