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Technical Product Information | ![]() |
| DuPont™ MOLYKOTE® D-321 R (Air-Drying Anti-Friction Coating) 400 ml |
| Product Overview |
| MOLYKOTE® D-321 R is an air-curing dry-film lubricant designed for metal-to-metal combinations subjected to heavy loads and high temperatures. Containing solid lubricants like MoS2 and graphite, it creates a durable, dry coating that prevents seizing and scoring. It is especially suitable for environments where liquid oils or greases cannot be used due to high heat, vacuum, or dust sensitivity. |
| Key Performance Benefits |
| • Thermal Resistance: Maintains lubricating properties up to 450°C (842°F) in air. • Clean Operation: Dry film does not attract dust, dirt, or abrasive particles. • Aging Resistance: Long-term stability under severe environmental stress. • Improved Running-in: Facilitates smooth startup and reduces wear on new parts. • Vacuum Stability: Retains integrity in high-vacuum applications. |
| Typical Applications |
| • Oven conveyor bearings, rotary tables, and sliding rails. • High-load screws, nuts, and bolts in automotive and aerospace. • Industrial robotics, transfer systems, and valve spindles. • Mechanical components operating in dusty or vacuum environments. |