SL/CF(20W-50)
APEX diesel engine oil Cl-415W40 designed for modern diesel motors and ensuring the health of engine operation under high temperature and high pressure of piston. APEX diesel engine oil Cl-4, in addition to having the world's formulation for maintain the engine oil pressure, in which were used additives that neutralizes negative effects of high sulfur in gas oil Iran in the engine.
| Technical Table | API SL/CF Isiri 13383 ACEA A3/B3/E2 | |
| TEST | RESULT20W-50 | ASTM |
| Appearance | Clear | ---- |
| Homogeneity/miscibility | pass | D-6922 |
| Colour | 3.5 | D-1500 |
| Kinematicviscosityt 100C mincst | 19.0 | D-445 |
| Viscosity index | 125 | D-2270 |
| Flash point, C | 226 | D-92 |
| Pour point,C | -27 | D-97 |
| Density at 15C,g/cm3 | 0.890 | D-1298 |
| Total base number mg KOH/goil | 8.0 | D-2896 |
| Low temperatureCranking viscosity ccs, CP max | 9500 at 15'C | D-5293 |