L-HV low-temperature hydraulic oil L-HV10/15/22/32/46/68
Low-Temperature Hydraulic Oil
L-HV10 / 15 / 22 / 32 / 46 / 68
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Features low volatility and excellent thermal oxidation stability, easy to vacuum and maintain cleanliness, suitable for heat treatment of high-demand materials.
Short distillation range, extremely low saturated vapor pressure, strong anti-vaporization capacity, low volatility, easy vacuum pumping. Good brightness, easy to clean, low oil carry-over loss. Excellent thermal oxidation stability and long service life. Suitable for quenching bearing steel, tool and die steel, medium-sized aerospace structures, and other steels.
| SH0564-93 | |||
|---|---|---|---|
|
Grade Item |
No.1 | No.2 | Test Method |
| Kinematic Viscosity (40°C), mm²/s, not more than | 40 | 90 | GB/T265 |
| Flash Point (Open Cup), °C, not lower than | 170 | 210 | GB/T267 |
| Water Content | None | None | GB/T260 |
| Pour Point, °C, not lower than | -5 | -5 | GB/T510 |
| Brightness Grade, not more than | 1 | 1 | Special Method |
| Cooling Performance: | |||
| Characteristic Temperature, not lower than | 600 | 585 | SH/T0220 |
| Cooling Time 800→400°C, s, not more than | 5.5 | 7.5 | |