Servo Aquol 250 is a fire resistant hydraulic oil, oil-in-water type. That is it is mixed with water to form an emulsion, developed specifically for hydraulically operated mining pit-props. This oil gives extended service life in hydraulic systems.
Recommended for Underground mining operations.
Meets requirement of National Coal Board, UK Specification of NCB 463 for grade 18 & 19.
Meets IS : 10538 Part 1 – 1983 (Reaffirmed 1993). HFA Grade 1 and HFA Grade 2 specification respectively.
| Kinematic Viscosity @ 40 Deg C | 55 – 75 |
|---|---|
| Flash Point, COC, Deg C, Min. | 130 |
| pH of 5% emulsion in distilled water | 9 – 10 |
| Sulphated Ash, Wt. % | 3.8 – 4.6 |
