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Megol hydraulic oil HEES 22
megol hydraulic oil HEES 22 (biologically degradable) is a hydraulic oil based on high quality synthetic
esters. The product offers excellent viscosity-temperature properties. It can be used all year round thanks
to its excellent low temperature properties. Its EP additives and polar adhesion capacity provide
outstanding wear protection and very good protection against rust and corrosion. It is toxicologically safe,
completely biologically degradable and miscible with all mineral oil-based products but not water-soluble.
megol hydraulic oil HEES 22 (biologically degradable) is particularly suitable for use in the hydraulic
systems of equipment that is primarily used outdoors or where there is a high risk of pollution by leakage,
such as mobile cranes and excavators for agricultural and forestry use, floating excavators, lock gate
hydraulic systems, ski piste equipment, etc.
Specifications/Approvals:
Hydraulic oil to VDMA 24568 ¨C HEES 22
Hydraulic oil to DIN 51524 ¨C HLP 15-46
Hydraulic oil to DIN 51524 ¨C HVLP 22
Characteristic data |
¡¡ |
¡¡ |
Approx. values |
Viscosity at 0 ¡ãC |
DIN 51562 |
mm2/s |
140 |
Viscosity at 40 ¡ãC |
DIN 51562 |
mm2/s |
25 |
Viscosity at 100 ¡ãC |
DIN 51562 |
mm2/s |
6.2 |
Viscosity index |
DIN ISO 2909 |
¡¡ |
204 |
Destiny at 15 ¡ãC |
DIN 51757 |
kg/m3 |
910 |
Flash point |
DIN ISO 2592 |
¡ãC |
247 |
Pour point |
DIN ISO 3016 |
¡ãC |
-35 |
Air release behavior at 50 ¡ãC |
DIN 51381 |
min. |
5 |
Demulsifying power at 54 ¡ãC |
DIN 51599 |
min |
15 |
Ash, oxide |
DIN EN 7 |
g/100g |
< 0.01 |
Content of asphaltenes |
DIN 51595 |
g/100g |
m.n.n.*) |
Content of undissolved |
DIN 51592 |
g/100g |
m.n.n.*) |
Water content |
DIN ISO 3733 |
g/100g |
m.n.n.*) |
Neutralization number, acid |
DIN 51558 part 1 |
mg KOH/g |
3 |
Corrosion effect on steel |
DIN 51585 |
corr.-size |
0-A |
Corrosion effect on Cu |
DIN 51759 |
corr.-size |
1-100 A3 |
Foaming property |
DIN 51566 |
¡¡ |
S1B-30/0 |
Behavior against |
¡¡ |
¡¡ |
S2B-50/0 |
sealing material SRE-NBR 1 |
¡¡ |
¡¡ |
S3B-30/0 |
according to DIN 53538 part 1 |
volume change |
vol.-% |
15 |
after 7 days at 100 ¡ãC |
hardness change |
shore |
-8 |
FZG gear short test |
DIN 51354 |
¡¡ |
¡¡ |
Normal test A/8.3/90 |
damage-strength-grandates |
¡¡ |
> 12 |
¡¡ |
specific gravity change |
mg/KWh |
< 0.27 |
Vickers pump test |
V 105 C |
¡¡ |
¡¡ |
Wear according to 250 h |
ring |
mg |
50 |
Biodegradability |
wing |
mg |
8 |
after 21 days |
CEC L-33-T-82 |
% |
>95 |
*) m.n.n. = quantity not detectable |
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