SYNTHETIC GREASE FOR HIGH AND LOW TEMPERATURE
MOLYBDENUM DISULFIDE, LITHIUM BASE
ROYCO 64 is a lithium-12 hydroxy stearate thickened grease formulated with
micro-fine molybdenum disulfide and a thermally stable ester based synthetic oil. Modem additives are
utilized to provide high load carrying, rust and oxidation protection, EP performance, and shear stability. Microfine
particles of “Moly” adhere and penetrate metal surfaces thereby providing lubrication and antiseize protection even
when the oil component is removed or there is a possibility of inadequate lubrication due to mechanical spread out of the lubricant.
ROYCO 64 is designed for use on sliding steel on steel surfaces and low to
moderate speed antifriction bearings carrying high unit loads. ROYCO 64 is
especially recommended for use in extreme low temperature (-1000F) and
high temperatures up to 275°F.
Kinematic Viscosity, cSt (Base oil)
Flash Point, °F(°C)
Molybdenum Disulfide, wt. %
Worked Stability, 100,000 strokes
Dropping Point, °F(°C)
Evaporation, % wt.
Oil Separation, %. 30 hrs, 100°C
Low Temperature Torque, NM, -73°C
Load Wear Index
• Meets California Clean Air Act VOC requirements
• Enhanced film strength to minimize wear
• Penetrates metal surfaces
• Aids in the removal of dirt and corrosion particles
• Forms a thin protective layer preventing future corrosion
• Wide operating temperature range
• Prevents rust and oxidation
• Additives provide high load carrying properties
• Excellent anti-seize protection
ROYCO 64 should not be used in high-speed antifriction bearings without
prior evaluation. The persistence of the molybdenum disulfide and the high
penetrating properties of the synthetic base oil make this material
difficult to remove from surfaces. In addition, the synthetic oil in ROYCO 64 may
soften natural rubber and neoprene as well as some paints.
ROYCO 64 meets all requirements of MIL-G-21164 (MIL-G-21164D.)
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Royco and all
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