Biodegradable hydraulic fluid base oil for HFD-U system
Hydraulic fluid base oil for HFD-U system
Applied in HFD-U system. Compared with similar products, they have the following characteristics:
High purity quality provides excellent air release and anti-foam property.
Good demulsibility meets cleanliness requirements.
Selected raw materials provide good anti-oxidant and long life property.
Wonderful lubricity meets the general requirements of middle-high pressure system.
High flash point and fire point provide good performance of fire prevention.
Hydrolysis resistance not easy to deteriorate to maintain lubricity.
Lower pour point suitable for low temperature operation.
| SDXZ-2 | SDYZ-1 | SDYZ-2 | SDYZ-20 | |
| Acid value（mgKOH/g）≤ | 0.2 | 1 | 1 | 0.5 |
| Viscosity 40℃ (mm2/s) | 25 | 46 | 68 | 130 |
| Viscosity 100℃ (mm2/s) | 5.8 | 9.5 | 13 | 21 |
| Viscosity index | 190 | 190 | 200 | 180 |
| Flash point（℃） | 290 | 310 | 310 | 330 |
| Pour point（℃） | -30 | -40 | -38 | -30 |
| Color | 2 | 1 | 1 | 1 |
Full Synthetic hydraulic fluid base oil
Selected structure of water insoluble polyether.
Suitable for the harsh conditions of high pressure and high temperature.
Final product achieved FM Grade II.
Biodegradable and low toxicity PAG base stock.
| SDM-01A | PAG-46(A) | SDM-56 | SDM-02A | |
| Acid value（mgKOH/g）≤ | 0.05 | 0.05 | 0.05 | 0.05 |
| Viscosity 40℃ (mm2/s) | 32 | 50 | 56 | 68 |
| Viscosity 100℃ (mm2/s) | 6 | 9.8 | 12 | 13 |
| Viscosity index | 160 | 188 | 180 | 180 |
| Flash point（℃） | 200 | 200 | 210 | 215 |
| Pour point（℃） | -46 | -40 | -40 | -40 |
| Color | 30 | 30 | 30 | 30 |
| Water content（ppm）≤ | 300 | 300 | 300 | 300 |
