How does it differ from a dry lubricant aerosol?

The lubricating paint contains a binder that fixes graphite to the surface and forms a film that withstands use; the aerosol leaves a deposit that wears away sooner. The paint is chosen when lubrication needs to stay in place.

Does it need surface preparation?

Yes. Film adhesion depends on the surface being clean, dry, and free of grease. Poor preparation is the usual reason a coating comes off early.

How long does the lubrication last?

It depends on load, sliding speed, and environment. No figure can be anticipated; what can be defined is the thickness and preparation that give the film its best behaviour.

Graphite lubricating paint brushed onto a metal part

Coatings / Release Agents

Lubricating paints

They provide lubricating properties to painted surfaces for specific applications.

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Dry-film lubricating coating

Also known as: Graphite lubricating paints · Dry film lubricant coatings · Graphite lubricating varnish · Solid lubricant applied as paint

[ Technical summary ]

A lubricating paint carries graphite dispersed in a binder that, on curing, fixes the particles to the surface. The result is an adhered, durable film rather than a loose deposit: applied once, it lubricates for an extended period without replenishment. It is the answer for friction points where relubrication is difficult or where grease would attract dust, and it is applied by brush, spray, or dip according to the part.

[ Problem it solves ]

Leave permanent lubrication at a friction point that cannot easily be revisited, with a film that adheres to the surface rather than rubbing away in service.

Operating conditions

Application by brush, spray, or immersion
Film curing
Dry lubrication

When it is suitable

The friction point is hard to reach for relubrication
Grease would attract dust or dirt in that environment
Lubrication that lasts without periodic maintenance is required
The part can be prepared and cured before entering service

When it may not be suitable

The surface cannot be cleaned or prepared before application
The point requires continuous lubrication to flush contaminants
The product cannot be validated in the plant before adopting it in production

Process challenges

Friction in dry contact
Need for an adherent film
Temperature or aggressive environment

Advantages

Adherent film
Residual lubrication
Multiple presentations

Limitations

Not a hydrodynamic oil lubricant
May stain light-colored surfaces
Performance depends on surface preparation and reapplication

[ Critical selection variables ]

These variables define the grade and the geometry. Actual values are confirmed against the grade datasheet.

Substrate or surface to be treatedDecisive
Application methodDecisive
Film thicknessDecisive
Operating temperatureRelevant
Load and its distributionRelevant
Sliding speedRelevant
Carrier or formulation baseRelevant

[ Required material properties ]

Properties that guide selection. Numerical values come from each grade's datasheet.

Critical properties

Lubricating film formation
Friction coefficient
Thermal stability
Particle size distribution

Secondary properties

Self-lubrication
Wear resistance
Dispersibility

[ Related ]

[ Frequently asked questions ]

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Technical content reviewed by ESGRAF — Last reviewed: September 8, 2026

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