ROYCO® 756 AND ROYCO® 756A
HYDRAULIC FLUID, AIRCRAFT, MISSILE, AND ORDNANCE PETROLEUM BASE
GENERAL INFORMATION:
ROYCO 756 is a red-dyed, mineral oil based hydraulic fluid developed for the severe duty demands of aerospace and industrial service. ROYCO 756 contains additives that provide excellent low temperature fluidity as
well as exceptional antiwear, oxidation - corrosion inhibition, and shear stability. In addition, metal deactivators and foam inhibitors are provided in this high viscosity index fluid to enhance performance in many general purpose hydraulic applications.
APPLICATIONS:
ROYCO 756 is designed for use in aircraft, missiles, autopilots, shock absorbers, cherry pickers, boom trucks, robotics, and auto wreckers requiring all - weather performance. ROYCO 756 is particularly recommended for use in systems where a "super clean" fluid can contribute to improved component life and reliability. ROYCO 756 can
be used in unpressurized systems operating at temperature ranges from -54 to 90°C (-65 to 195°F) and in pressurized systems from -54 to 135°C (-65 to 275°F) at pressures up to 3000 psi. ROYCO 756A may be used in
systems not requiring a “super clean” id and where the convenience of a resealable container can provide cost savings.
TYPICAL PROPERTIES:
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PROPERTIES
Pour Point, °C
Flash Point, COC, °C
Acid Number, mq KOH/g
Specific Gravity
Kinematic Viscosity, cSt
at 100°C (212 oF)
at 54 oC (130 oF)
at 40°C (4 oF)
at -40°C (-40oF)
at -54°C (-48 oF)
Viscosity Index
Cu Corrosion, 160°F/72hrs.
Water Content, ppm
4-Ball Wear, mm2
Evaporation, 160°F/6hrs, %
Precipitation Number
Gravimetric Filtration mg/100 ml, 0.45mu at 25°C
Filter time, min.
Foam Resistance, 75°F
foam volume, ml
foam stability
API Gravity
Particle Contamination (automatic counter) Size range, mu
5-15
16-25
26-50
51-100
100+
Dielectric Strength, KV
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ROYCO 756
-70
95
0.0
0.880
5.13
13.9
451
1850
1B
50
0.65
13.6
0.1
6
25
0
29.3
1200
175
60
5
0
49.6 |
ROYCO 756A
-70
95
0.0
0.880
10.7
450
370
0
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ADVANTAGES:
• Wide operating temperature range
• “Super Clean” fluid to improve equipment life (Royco 756)
• Low temperature fluidity • Excellent oxidation and corrosion inhibition
• Exceptional anti-wear performance •
COMPATABILITY
ROYCO 756 should not be used in systems using natural rubber elastomers.
Give us a call for information, pricing and availability. Our dedicated staff is eager to hear from you.
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