They are applicable for all types of hydraulic systems operating under high pressure, and are suitable where low zinc concentrations are essential, for example where silver plated components are present.
All Rock Hydraulic Oils meet or exceed the following specifications:
- Sperry Vickers I-286-S,M-2950-S
- Denison HF-1, HF-2, HF-0
- Cincinnati Milacron P-68, P-69, P-70
- Lee Norse 100-1
- Jeffery No. 87
- Ford M-6C32
- US Steel 127, 136
- BF Goodrich 0152
- GM LH-04-1, LH-04-1, LH-15-1
- Also DIN 51524 pt.2 & DIN 51525
TYPICAL DATA
ISO Viscosity Grade (cSt) |
10 |
15 |
22 |
32 |
46 |
68 |
100 |
150 |
320 |
| |
|
|
|
|
|
|
|
|
|
| @ 0°C |
|
|
188 |
320 |
535 |
960
|
1650 |
|
|
| @ 20°C |
|
|
60 |
86.6 |
170
|
196 |
325 |
|
|
| @ 40°C |
9.72 |
15 |
22.8 |
31.7 |
46 |
68 |
100 |
150 |
320 |
| @ 100°C |
2.2 |
3.5 |
4.38 |
5.38 |
6.97 |
9.05 |
11.6 |
|
|
| Viscosity Index |
74 |
96 |
100 |
108 |
108 |
102 |
104 |
100 |
98 |
| Flash Point Closed °C |
146 |
150 |
165 |
210 |
213 |
219 |
231 |
240 |
250 |
| Pour Point |
-45 |
-20 |
-18 |
-10 |
-10 |
-10 |
-10 |
-10 |
-8 |
| Neutralisation value mg KOH/g |
0.70 |
0.70 |
0.70 |
0.70 |
0.70 |
0.70 |
0.70 |
0.70 |
0.70 |
|