MOLYKOTE® D-321 R Anti-Friction Coating Spray

Air-curing, dry-film lubricant spray filled with molybdenum disulfide and graphite, designed for high-load, high-temperature applications.

Key Features and Benefits

• Convenient Aerosol Application: Easy-to-use spray ensures even coverage for quick and efficient lubrication.
• Air Curing: Requires no heat curing, simplifying the application process.
• High Load Capability: Performs reliably under heavy loads and slow-to-medium movement speeds.
• Wide Temperature Range: Effective from -180°C to 450°C (-292°F to 842°F) for extreme conditions.
• Stick-Slip Avoidance: Reduces friction variations for smoother operations in critical systems.
• High Aging Resistance: Offers long-lasting performance, even under harsh environments.

Detailed Product Description

MOLYKOTE® D-321 R Anti-Friction Coating Spray is a premium aerosol lubricant designed to provide superior anti-friction properties for metal-to-metal applications. Formulated with molybdenum disulfide (MoS₂) and graphite, this air-cured dry-film coating ensures reliable performance in high-load and high-temperature environments.

This versatile spray is ideal for permanent lubrication of stressed sliding guides, threaded connections, and oscillating parts. It also supports running-in processes, emergency lubrication, and high-vacuum applications. Its wide temperature range and durability make it a go-to solution for demanding industrial and automotive uses.

Learn more about the liquid version of this product in our MOLYKOTE® D-321 R Anti-Friction Coating.

Discover the story behind the MOLYKOTE® brand and its transition from Dow Corning to DuPont in our detailed blog post.

Applications

• Lubrication of cylinder-head bolts, car mirror adjustment mechanisms, and toaster guides.
• Emergency lubrication for wind turbine rotor head components.
• Permanent lubrication of sliding guides, threaded connections, and power screw drives.
• Groove-free cold extrusion of steel.
• Running-in lubrication for highly stressed gear wheels and high-voltage switches.

Technical Specifications

• Product Type: MOLYKOTE® Anti-Friction Coating Spray
• Technology: Organic Binder, Solids, Solvent-Based
• Solid Lubricants: Molybdenum disulfide (MoS₂), graphite
• Curing Method: Air curing at room temperature
• Operating Temperature Range: -180°C to 450°C (-292°F to 842°F)
• Color: Gray
• Packaging: 400ml aerosol can

Available Sizes and Part Numbers

• 400ml / 13.5oz Can: 12 per carton (PN: 12024756)

Why Choose MOLYKOTE® D-321 R Anti-Friction Coating Spray?

• Simplified application with aerosol format for even and consistent coverage.
• Exceptional performance in extreme temperature and high-load conditions.
• Trusted MOLYKOTE® legacy for industrial and automotive applications.