MOLYKOTE D-321 R Anti-Friction Coating
MOLYKOTE D-321 R is an air-curing dry-film lubricant available in both bulk liquid and aerosol spray forms. It's designed to reduce friction and wear in metal-to-metal components, particularly those experiencing high loads and slow to medium speeds. The lubricant is suitable for improving the running-in process and effectively lubricating various parts such as plain bearings, bushings, sleeves, power screw drives, threaded connections, fasteners, and high-voltage switches, even under extreme operating conditions. Application methods vary depending on the form; the bulk liquid requires thorough stirring before brushing or spraying, while the aerosol requires shaking before application of a thick, uniform coat. Proper surface preparation, including cleaning, degreasing, and optional phosphatization or sandblasting (180 grit), is crucial for optimal adhesion and service life.
The coating achieves touch dryness within 5 minutes at 23 C, or 1 minute with hot air (80 C), with full curing completed after 2 hours at 23 C. A recommended dry-film thickness of 5 to 20 μm should be maintained.
Key Features:
- Air-curing dry-film lubricant
- Available in bulk liquid and aerosol spray forms
- Suitable for high loads and slow to medium speeds
- Improves running-in processes
- Wide service temperature range (-180 C to 450 C)
- Touch dry in 5 minutes (23 C) or 1 minute (80 C hot air)
- Full cure in 2 hours (23 C)
Typical Applications:
- Plain bearings
- Bushings
- Sleeves
- Power screw drives
- Threaded connections
- Fasteners
- High-voltage switches
Product Key Properties: An air cured anti-friction coating filled with molybdenum disulfide and graphite
Product Performance Benefits: Air drying, Avoidance of stick-slip, High aging resistance, High load carrying capability, High temperature performance, Low speed performance, Low temperature performance, Wide temperature range, No intentional polytetrafluoroethylene (PTFE) or per- and polyfluoroalkyl substances (PFAS)