A high pressure
(> 100,000 psi), extreme temperature (-150 -900 deg F) dry
. Generally, this is used in applications where either traditional
lubricants do not work, or where the film strength
of the base lubricant
is not adequate to prevent contact or galling
"Moly-D" is most frequently encountered as an additive for grease used in
the bearings of disk brake fitted wheels. As a dry lubricant (with
typical particle size in the 1-5 micron range) it is often delivered in a suspension, and may be used in locks, bicycles, or in applications where
good lubrication is needed and oil would bind too much foreign matter.
Use with caution as this is a sufficiently good lubricant that it can
prevent friction locking mechanisms from operating correctly.
Graphite has similar uses and is far less expensive, making it a better
choice where the high performance characteristics of "Moly-D" are not required.