| Viscosity | Shortform | Grade |
| 80W-90 | GAOJI GL-4 | GL-4 |
| 85W-90 | GAOJI GL-4 | GL-4 |
COPTON GL-4
High-grade gear oil
Gear oil
Gear series
RECOMMENDED APPLICATIONS
Outstanding extreme pressure and anti-wear properties prevent gear scoring, seizure and sintering, minimizing gear wear.
Good shear stability maintains a stable oil film for quiet, smooth gear operation.
Superior oxidation, corrosion and rust resistance extends service life and maintenance intervals.
Effectively protects against wear under low speed & high torque and scratches during high-speed operation.
PRODUCT FEATURES
Suitable for manual transmissions and other equipment operating in lower ambient temperature conditions or requiring GL-4 80W-90 viscosity gear oil. (80W-90)
Suitable for manual transmissions and other equipment operating in a wider range of ambient temperature conditions or requiring GL-4 85W-90 viscosity gear oil. (85W-90)
TYPICAL DATA
| Item | SAE | Testing method | |||
| High-grade gear oil GL-4 | 80W-90 | 85W-90 | |||
| Density @ 20 °C （kg/L） | 872.2 | 874.4 | SH/T 0604 | ||
| Flash point | 232 | 234 | GB/T 3536 | ||
| Kinematic viscosity @ 40 °C（mm?/s） | / | / | GB/T 265 | ||
| Kinematic viscosity @ 100 °C | 15.46 | 16.66 | GB/T 265 | ||
| Viscosity Index | / | / | GB/T 1995 | ||
| Pour point | -26 | -27 | GB/T 3535 | ||
PACKING SPECIFICATIONS
4Lor packing according to customer needs.
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