NATIONAL GEARBOX OIL HD SAE 90-140 GL5
National GearBox OIL HD is an extreme-pressure automotive gear lubricant formulated from solvent-refined mineral base oils and containing special Sulphur phosphorous additives to produce a superior gear lubricant with extreme pressure characteristics and thermal stability for automotive applications over a wide range of temperatures.
Benefits
- Excellent protection against wearing and scoring produced by high speed and heavy loads.
- Suitable for a wide variety of applications and service conditions.
- Superior protection against rusting, pitting and corrosion.
- Excellent load carrying capacity and good antifoam properties.
- Compatible with seals and gaskets.
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 | Value | Test Method |
|---|---|---|---|---|
| SAE Grade | – | 90 | 140 | – |
| Specific Gravity @ 15 ˚C | – | 0.9010 | 0.9067 | ASTM-4052 |
| Viscosity @40°C | mm2/s | 209.3 | 394.3 | ASTM D-445 |
| Viscosity @100°C | mm2/s | 18.09 | 27.73 | ASTM D-445 |
| Viscosity Index | – | 98 | 96 | ASTM D-2270 |
| Flash Point, COC | °C | 248 | 270 | ASTM D-92 |
| Pour point | °C | -12 | -12 | ASTM D-97 |
| Color | – | L 3.5 | L 3.5 | ASTM D-1500 |
| Product Code | – | 30442 | 30542 | – |