Description
Castrol CRB Multi 20W-50 CF-4: Ensuring a Longer, Cleaner Engine Life
Description
Castrol CRB Multi 20W-50 CF-4 is a multi-purpose, heavy-duty diesel engine oil. Designed for use in naturally aspirated or turbocharged diesel engines, it is suitable for a wide range of diesel fuel qualities.
Advantages
During engine operation, combustion by-products can form deposits and cause the engine oil to thicken. Castrol CRB Multi 20W-50 CF-4 addresses these issues in two primary ways:
- Cleaning Additives: These help to disperse dirt and soot that can accumulate inside the engine, reducing deposit formation.
- Anti-Oxidant Additives: These prevent chemical reactions that can cause the engine oil to thicken.
Castrol CRB Multi 20W-50 CF-4 effectively controls piston deposits and maintains engine oil viscosity, helping to ensure a longer, cleaner engine life.
Typical Characteristics
| Name | Method | Units | CRB Multi 20W-50 CF-4 |
|---|---|---|---|
| Density @ 15°C | ASTM D4052 | g/ml | 0.88 |
| Kinematic Viscosity @ 100°C | ASTM D445 | mm²/s | 18.5 |
| Cold Cranking Viscosity @ -15°C (20W) | ASTM D5293 | mPa.s (cP) | < 9500 |
| Kinematic Viscosity @ 40°C | ASTM D445 | mm²/s | 165-126 |
| Viscosity Index | ASTM D2270 | None | 126 |
| Sulfated Ash | ASTM D874 | % wt | 1 |
| Total Base Number, TBN | ASTM D2896 | mg KOH/g | 7.5 |
| Pour Point | ASTM D97 | °C | -33 |
| Flash Point, PMCC | ASTM D93 | °C | 205 |
