- National GearBox OIL MP Series are high-quality gear lubricants blended from solvent-refined mineral base oils and selected chemical additives. Due to their high gear stability they provide excellent protection for gears and can be used a wide range of temperatures. They also provide protection against foaming of oil, and wear and rusting of gears.
Benefits
- Formulated for automotive high-speed gears.
- Excellent lubrication without channeling at low temperatures.
- Suitable for heavy-duty service in truck and bus gears operating at high temperatures.
- Provide good protection against corrosion.
Applications
- Recommended for the type of service characteristics of gears, particularly hypoid, in passenger cars and other automotive equipment operated under high-speed/shock-load, high-speed/low torque, and low-speed/high-torque conditions.
Product Characteristics
| Properties | Units | Value | Test Method | Column 5 |
|---|---|---|---|---|
| SAE Grade | – | 90 | – | – |
| Specific Gravity @ 15 ˚C | – | 0.8971 | 0.9046 | ASTM-4052 |
| Viscosity @40°C | mm2/s | 203.9 | 412.3 | ASTM D-445 |
| Viscosity @100°C | mm2/s | 17.96 | 28.63 | ASTM D-445 |
| Viscosity Index | – | 96 | 97 | ASTM D-2270 |
| Flash Point, COC | °C | 246 | 270 | ASTM D-92 |
| Pour Point | °C | -12 | -12 | ASTM D-97 |
| Color | – | L 2.5 | 3.0 | ASTM D-1500 |
| Product Code | – | 30142 | 30942 | – |
