Petrol engines, naturally aspirated and supercharged diesel engines, power generating sets etc, operating under moderate duty conditions.
Always change filter when changing engine oil. Short trips; stop-and-go traffic; excessive dust or dirt-such conditions are very hard for engine oils and may lead to frequent oil changes.
Characteristics | Test Methods | 20W-40 | 20W-50 |
Kinematic Viscosity at 100°C cST | IS : 1448 : P-25 | 14.5-16.5 | 17.5-18.5 |
Viscosity Index, Min. | IS : 1448 : P-56 | 120 | 120 |
Flash Point COC, Min. | IS : 1448: P-69 | 220 | 220 |
TBN gm KOH/gm | IS : 1448 P-86 | 7.5 | 7.5 |