Lanxess® Royco® 81MS Silicon Base Synthetic High Temperature Grease 1.75 Lb 81MS1-75LB
Lanxess Corporation
Part # 81MS1-75LB=2U
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Mfr Part # 58323535
Royco® 81MS is a gray-black, high-temperature semi-fluid silicone lubricant with microfine molybdenum disulfide, formulated for slow-speed metal-on-metal lubrication and anti-seize protection up to extreme temperatures.
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Overview
Royco® 81MS High-Temperature Molybdenum Disulfide Silicone Grease (part number 81MS1-75LB) is a semi-fluid polysiloxane-based lubricant containing microfine MoS₂ particles that adhere to and penetrate metal surfaces. The product provides durable lubrication for slow-speed sliding surfaces at temperatures up to 750°F and persistent anti-seize protection on threaded parts at temperatures up to 1400°F. It is supplied in a 1.75 lb can and includes oxidation and corrosion inhibitors; note the material may stain yellow metals and is not suitable for anti-friction bearings.
Features & Benefits
Specifications
Part Number: 81MS1-75LB
Manufacturer: Lanxess® (Royco® brand)
Container Size: 1.75 lb Can
Form: Semi-fluid lubricant / Paste
Color: Gray-Black
Base Fluid: Polysiloxane (Silicone) Synthetic Oil
Solid Lubricant: Molybdenum Disulfide (MoS₂)
Operating Temperature (Lubricant): -65°F to 750°F (-54°C to 400°C)
Operating Temperature (Anti-Seize): Up to 1400°F (760°C)
Flash Point: > 572°F (> 300°C)
Military Specification: MIL-DTL-25681D Notice 2
NATO Symbol: S-1735
Applications: Slow-speed sliding metal surfaces in gas turbine engines; threaded assemblies exposed to high temperatures
Limitations: Not for use on anti-friction bearings; stir or shake before use due to settling; may stain yellow metals
Technical Information
Meets MIL-DTL-25681D Notice 2 (formerly referenced as DOD-L-25681)
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