SPECIFICATION OF AVIATION FUEL JET A-1
|
PARAMETER |
SPECIFICATION |
STD. METHOD |
TYPICAL QUALITY |
|
APPEARANCE |
|
|
|
|
Visual Appearance |
Clear & Bright, free from Solid matter & undissolved water at ambient temperature. |
|
Clear & Bright |
|
Colour |
Report |
ASTM D 156 Or ASTM D 6045 |
25 |
|
Particulate Contamination, at point of manufacture, mg/l |
1.0 Max |
IP 423 / ASTM D 5452 |
0.80 |
|
Particulate, at point of manufacture |
|
|
|
|
> 4 µµ(c ) |
Report |
IP 564 or IP 565 |
2500 |
|
> 6 µµ(c ) |
Report |
|
950 |
|
> 14 µµ(c ) |
Report |
|
99 |
|
> 21 µµ(c ) |
Report |
|
22 |
|
> 25 µµ(c ) |
Report |
|
15 |
|
> 30 µµ(c ) |
Report |
|
10 |
|
|
|
|
|
|
COMPOSITION |
|
|
|
|
Total Acidity, mg KOH/ gm |
0.015 Max. |
ASTM D 3242 |
0.009 |
|
|
|
|
|
|
AROMATIC HYDROCARBON TYPES |
|
|
|
|
Aromatics % v/v, |
25 Max. |
IP 156 / ASTM D 1319 |
18.5 |
|
Or |
|
|
|
|
Total Aromatics, %v/v |
26.5 Max |
IP 436 /ASTM D 6379 |
18.5 |
|
Sulphur, Total % m/m, |
0.3 Max. |
ASTM D 4294 |
0.25 |
|
Sulphur, Mercaptan % m/m, |
0.003 Max. |
ASTM D 3227 |
0.0020 |
|
Or Doctor Test |
Doctor Negative |
IP 30 |
|
|
|
|
|
|
|
REFINING COMPONEN, AT THE POINT OF MANUFACTURE. |
|
|
|
|
Hydro processed component, % v/v |
Report |
|
- |
|
Severely Hydro processed component, % v/v |
Report |
|
35 |
|
|
|
|
|
|
VOLATILITY |
|
|
|
|
Distillation - IBP deg. C, |
- |
ASTM D 86 |
155 |
|
Fuel recovered 10% by volume at °C |
205 Max. |
- |
171 |
|
Fuel recovered 50% by volume at °C |
Report |
|
195 |
|
Fuel recovered 90% by volume at °C |
Report |
|
233 |
|
Final Boiling Point °C, |
300 Max. |
- |
254 |
|
Residue % volume , |
1.5 Max. |
- |
1.0 |
|
Loss% volume, |
1.5 Max. |
- |
1.0 |
|
Flash Point deg. C. |
38 Min. |
IP 170 |
42 |
|
Density @ 15 Deg.C kg/m3 |
Min 775.0 Max 840.0 |
IP 365/ ASTM D 4052 |
799 |
|
|
|
|
|
|
FLUIDITY |
- |
- |
- |
|
Freezing point , °C, |
Minus 47 Max. |
IP 16/ ASTM D 2386 |
Minus 52 |
|
Kin. Viscosity at minus 20°C, mm2/s |
8.00 Max. |
IP 71/ASTM D 445 |
4.10 |
|
|
|
|
|
|
COMBUSTION |
|
|
|
|
Smoke point, mm OR Smoke Point |
25 Min. 19 Min. |
ASTM D 1322/IP 57 ASTM D 1322/IP 57 |
24 |
|
And Naphthalene, % vol. |
3 Max |
ASTM 1840 |
2.3 |
|
Specific energy MJ/kg, Min |
42.8 |
Annex C |
43.27 |
|
|
|
|
|
|
CORROSION |
|
|
|
|
Cu strip for 2 hrs @ 100 deg. C |
Not worse than No:1 |
ASTM D 130 |
No.1 |
|
|
|
|
|
|
THERMAL STABILITY, JFTOT |
|
|
|
|
Thermal Stability-JFTOT |
|
IP 323 / ASTM D 3241 |
|
|
Test Temperature,°C |
Min 260 |
|
|
|
Tube Rating, visual |
Less than 3 (No peacock) or AbnormalColour Deposit |
|
Zero, No peacock |
|
Pressure Difference, mmHg |
25 Max. |
|
|
|
|
|
|
|
|
CONTAMINANTS |
|
|
|
|
Existent gum, mg/100ml |
7 Max. |
IP 131 / ASTM D 381 |
2.1 |
|
or |
|
|
|
|
Existent gum with Air , mg/100ml |
7 Max. |
IP 131 / ASTM D 381 |
2.1 |
|
|
|
|
|
|
WATER REACTION CHARACTERISTICS |
1b Max. |
ASTM D 1094 {Method A} |
1b |
|
Micro Separator rating at point of Manufacture |
|
ASTM D 3948 |
95 |
|
MSEP without SDA OR |
85 Min. |
|
|
|
MSEP without SDA |
70 Min |
|
90 |
|
|
|
|
|
|
CONDUCTIVITY |
|
|
|
|
Electrical Conductivity PS/m |
50 Min 600 Max |
IP 274/ ASTM D 2624 |
75 @ 30°C |
|
Wear Scar Diameter, mm |
0.85 max |
ASTM D 5001 |
0.63 |
