Official DuPont/MOLYKOTE application
assembly and running-in
Evaluate this product for assembly and running-in against the actual material, component, process and operating conditions before standardization.
Products
MOLYKOTE® D-321 R Anti-Friction Coating
MOLYKOTE® D-321 R Anti-Friction Coating is a anti-friction coating. The official Product record identifies this grade for assembly and running-in, surfaces requiring a coating, electrical assemblies. Key identifying data includes the technology Organic Binder, Solids, Solvent; a listed temperature range from -180°C to 450°C. Selection should be based on the material pair, motion, load, speed, temperature and environment of the actual assembly.
Primary function
What is this product used for?
MOLYKOTE® D-321 R Anti-Friction Coating is a anti-friction coating. The official Product record identifies this grade for assembly and running-in, surfaces requiring a coating, electrical assemblies. Key identifying data includes the technology Organic Binder, Solids, Solvent; a listed temperature range from -180°C to 450°C. Selection should be based on the material pair, motion, load, speed, temperature and environment of the actual assembly.
Verified applications
Suitable use contexts
surfaces requiring a coating
Evaluate this product for surfaces requiring a coating against the actual material, component, process and operating conditions before standardization.
electrical assemblies
Evaluate this product for electrical assemblies against the actual material, component, process and operating conditions before standardization.
Plain bearings, bushings and sleeves
Review the bearing type, shaft and bushing materials, load, speed and lubrication regime.
lead screws
Evaluate this product for lead screws against the actual material, component, process and operating conditions before standardization.
Evaluation basis
Why evaluate this product?
Technology: Organic Binder, Solids, Solvent.
Solid lubricant: MoS2, graphite.
Before selection
Selection and operating conditions
Contacting material pair
Confirm contacting material pair against the product-specific documentation and the actual application before selection.
Motion, load and speed
Confirm motion, load and speed against the product-specific documentation and the actual application before selection.
Operating temperature
Confirm operating temperature against the product-specific documentation and the actual application before selection.
TDS, SDS and practical testing
Review the correct product TDS and SDS, check equipment requirements and evaluate the material under actual conditions before use.
Confirm the material pair, motion, load, speed, temperature, environment and lubricant application method. Review the correct TDS and SDS and test under actual application conditions before approval.
Verified source data
Key technical data
Technical characteristics
| Metric | Value |
|---|---|
| Cure temperature (°C) | 20 |
| Lower temperature limit (°C) | -180 |
| Upper temperature limit (°C) | 450 |
Key safety and use information
| Metric | Value |
|---|---|
| Signal word | DANGER! |
| Physical state | liquid |
| Color | dark grey |
| Odour | solvent-like |
| Flash point | closed cup 23 °C ( 73 °F) |
| Relative density | 1.07 |
This information is summarized from manufacturer technical and safety documentation for initial evaluation and does not replace confirmation under actual application conditions.
Product group and brand
Anti-Friction Coatings
Anti-Friction Coatings organizes verified products and supporting technical records for selection in the relevant manufacturing context.
MOLYKOTE is a DuPont brand of technical lubrication materials.
6 Product Groups
Directly related solutions
Technical Lubrication Solutions
AE-TECH reviews mechanisms, material pairs, motion, load, speed, temperature and environment to narrow the appropriate MOLYKOTE lubrication technology before evaluation.
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