Heat Transfer Oil L-QB280/QB300/QC310/QC320/QD330/QD340/QD350
Thermal Oil
L-QB280 / QB300 / QC310 / QC320 / QD330 / QD340 / QD350
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Features excellent low-temperature fluidity and high-temperature stability, with outstanding oxidation and shear resistance. Suitable for hydraulic systems with high precision and severe operating conditions.
Excellent low-temperature fluidity, low-temperature stability, high-temperature oxidation resistance and shear stability, non-corrosive to hydraulic components. Long service life, unaffected by ambient temperature. Suitable as a transmission working fluid for high-precision hydraulic systems, such as CNC machine tools, acetamide circulation pumps, high-pressure ethylene transfer pumps, ship cranes, deck machinery, excavators, windlasses, large cranes, radar vehicles, railway and electrical switchgear, high-voltage switch hydraulic systems, dump trucks and other automatic transmission systems, as well as ground engineering equipment with stringent low-temperature requirements.
| Item | Technical Indicators | Test Methods |
|---|---|---|
| Appearance | Red transparent liquid | Visual inspection |
| Kinematic Viscosity (50℃) mm²/s | 10 | GB/T265 |
Flash point (open cup), ℃Not Lower Than |
92 | GB/T267 |
Pour Point, ℃Not Higher Than |
-70 | GB/T510 |
| Water content, %(m/m) | None | GB/T260 |
| Mechanical impurities, %(m/m) | None | GB/T2511 |
|
Corrosiveness (140℃,60h), mg/cm²
Not Greater Than
Not Greater Than
Not Greater Than
Not Greater Than
|
±0.1
±0.15
±0.15
±0.1
|
|
| Water-soluble acid or alkali | None | GB/T259 |