HYDRAUNYCOIL FH 51 is a petroleum fluid for use in the - 54oC to + 135oC
temperature range in air-tight circuits and in the - 54oC to + 90oC temperature
range in open circuits. It is used on shock absorbers, missile hydraulic systems, braking systems, etc. HYDRAUNYCOIL FH 51 is microfiltered.
Main characteristics
Properties
Units
Results
Limits
Methods
Appearance
-
conform
Clear limpid, red
visual examination
Color
—
conform
Conform to the
—
reference
Density at 20oC
kg/dm3
0.872
report
ASTM D 4052
Kinematic viscosity at
ASTM D 445
100oC
mnrVs
5.36
min 4.90
40oC
13.9
min 13.2
-40oC
413
max 600
-54oC
1839
max 2500
Stability 72h at -54oC
-
conform
MIL-H-5606
FTM-S-791-3459
Pour point
oC
-66
max -60
ASTM D 97
Evaporation loss
ASTM D 972
6h at 71oC
%weight
14.4
max 20.0
Flash point
oC
96
min 82
ASTM D 93
Acid number(pH=l 1)
mg KOH/g
0.02
max 0.20
ASTM D 664
Copper corrosion
ASTMD 130
72h at 135oC
-
2a
max 2e
Water content
mg/kg
55
max 100
ÌÎ-10-001 À
Steel-on-steel wear
mm
0.7
max 1.0
ASTMD 4172
Foaming test at 24oC Tendency Stability (after 10min)
