H-520

Def Stan 91-48
(OM-18)
OM-18

HYDRAUNYCOIL FH 5

PETROLEUM HYDRAULIC FLUID

HYDRAUNYCOIL FH 5 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.


Main characteristics

Properties Units Typical values Test methods
Appearance — red clear liquid —
Density at 20oC kg/dm3 0.868 ASTM D 4052
Kinematic viscosity mm2/s   ASTM D 445
  at 100oC   5.3  
  40oC   14  
  -54oC   1800  
Flash point oC 95 ASTM D 93
Pour point oC <-60 ASTM D 97
Acid number (pH = 11) mg KOH/g 0.09 ASTM D 664