National Perfomax HD4 Series heavy duty oil is developed primarily for high output, naturally aspirated or supercharged diesel engines, operating under moderate conditions. National Perfomax HD4 series are formulated from high VI mineral base oils and chemical additives which provide dispersant, detergent, anti-oxidant, anti-wear, anti-rust properties.
Benefits
- Excellent protection against the effects of High-Sulphur fuels.
- Good control of high temperature deposits.
- Improved resistance to ring sticking, ring and cylinder wear, valve and combustion deposits.
- Long engine life.
Applications
- National Perfomax HD4 is recommended for use in diesel engines in automotive, agricultural and construction equipments, operating in fleet and construction business where relatively moderate Sulphur fuel is used and other severe service factors are considered.
Product Characteristics
| Properties | Units | Value | Value | Test Method |
|---|---|---|---|---|
| SAE Grade | – | 40 | 50 | – |
| Specific Gravity @ 15 ˚C | – | 0.9022 | 0.9034 | ASTM-4052 |
| Viscosity @40°C | mm2/s | 165.4 | 240.8 | ASTM D-445 |
| Viscosity @100°C | mm2/s | 15.71 | 20.4 | ASTM D-445 |
| Viscosity Index | – | 97 | 98 | ASTM D-2270 |
| Flash Point, COC | °C | 258 | 270 | ASTM D-92 |
| Pour Point | °C | -15 | -9 | ASTM D-97 |
| Color | – | L 3.0 | L 3.5 | ASTM D-1500 |
| Sulphated Ash | % wt. | 1.49 | 149 | ASTM D-874 |
| Base Number | mg KOH/g | 11.2 | 11.2 | ASTM D-2869 |
| Product Code | – | 230042 | 240042 | – |
