Index Meaning РТ ТС-1 Def Stan 91-91 JetA-1 (ASTM D 1655) JetA-1 (ASTM D 7566) Density, kg/m3: at t 20 °С at t 15 °С <775 — <775 — — 775—840 — 775—840 — 775—840 Distllation temperature: —start boiling point °С unnorm. unnorm. — — — — 10 % recovered, t °С 175 175 205 205 205 —50 % recovered, t °С 225 225 report report report —90 % recovered, t °С 270 270 report report report —98 % recovered, t °С — final boiling point °С 280 280 — 300 — 300 — 300 Kinematic viscosity, mm2/sec, — at t20 °С — at t -20 °С — at t - 40 °С < 1.25 < 16 < 1.5 < 16 — < 8 —   — < 8 —   — < 8 — Net heat of combustion, MJ/kg > 43 100 > 43 120 > 42 800 > 42 800 > 42 800 Smoke point, mm, or Smoke point, mm and naphtalenes, % 25 1.5 (mas) 25 3 (mas) 25 19 3 (vol.) 25 18 3 (vol.) 25 18 3 (vol.) Acidity, total mg KOH/g < 0.7 < 0.7 < 0.015 < 0.1 < 0.1 Iodine number, g of iodine per 100 g of fuel, < 0.5 < 3.5 ­ — — Flash point, °C > 30 > 28 > 38 > 38 > 38 Freezing point, °C < – 55 < – 55 < – 47 < – 47 < – 47 Thermal stability (static conditions): — amount of sediment, mg per 100 sm3  of fuel, — critical temperature, °С, not less <6 115 <18 115 — — 14 — 14 — Thermal Stability, JFTOT (dynamic conditions): Test Temperature Tube Rating Visual Pressure Differential — — — — — —   > 260 < 3 <25   > 260 < 3 <25   > 260 < 3 <25 Aromatics, % < 22 (mas.) < 22 (mas.) < 25 (vol.) < 25 (vol.) < 25 (vol.) Existent gum, mg/100 mL < 4 < 5 < 7 < 7 < 7 Sulfur, total mass % < 0.1 < 0.25 < 0.3 < 0.3 < 0.3 Sulfur, mercaptan,mass % < 0.001 < 0.003 < 0.003 < 0.003 < 0.003 Hydrogen sulfide content Absence Absence — — — Copper strip, 2 h at 100°C Stand Stand No1 No1 No1 Ash content, %, not more 0,003 0,003 — — — Interaction with water, separation surface, points < 1 < 1   < 1 < 1 Specific electrical conductivity at t 20 °С, pS / m 600 600 50 – 600 50 – 600 50 – 600 Content of mechanical impurities and water Absence Absence Absence Absence Absence Content of water soluble alkali compounds Absence Absence — — — Content of water soluble acids and alkalis Absence Absence — — — Content of naphthenic acid soaps Absence Absence — — — Lubricity: Wear Scar Diameter 0.95 0.95 0.85 0.85 0.85 High temperature corrosion:  sample mass loss, g/m2 under t20, °С, — for copper — for bronze brand ВБ23НЦ 3.0 2.5 15 2.5 — — — — — — Luminometric number, not less 50 50 — — —

Table 1: Comparative characteristics of quality requirements to jet fuel grades established by Ukrainian and international standards.