Dry-film lubrication when oils and greases are not an option

Bonded coatings?also known as anti-friction or dry-film coatings?create a thin, solid lubricating layer that reduces friction and wear where conventional oils or greases are impractical.

They are ideal for start-stop motion, high contact pressure, dusty environments, or applications where clean operation is critical. TRCI supports selection and application guidance to help you achieve consistent coating performance in real operating conditions.

Benefits

What are bonded coatings?

Bonded coatings are lubricating varnishes that contain solid lubricants dispersed in a binder system. After application and curing, they form a thin, adherent film that provides lubrication without the need for an oil or grease supply.

Depending on the formulation, bonded coatings can be optimised for different materials, loads, temperatures and environmental conditions. Selection is application-specific and depends on the contact pair, required friction level and production process.

Where bonded coatings are used

Bonded coatings are commonly selected where clean operation, long service life and reliable friction behaviour matter?especially when relubrication is difficult or impossible.

  • Fasteners and threaded connections (controlled friction during assembly)
  • Sliding guides, bushes and plain bearings
  • Springs, hinges and mechanisms with start-stop motion
  • Small parts and mass-produced components (coating process integration)
  • Applications exposed to dust, dirt or where oil contamination must be avoided

Need help selecting the right coating?

Share the details below and we?ll recommend a bonded coating system and application approach that fits your process and performance targets:

  • Base material(s) and contact pair (e.g., steel/steel, steel/aluminium)
  • Load / surface pressure and motion type (sliding, oscillating, start-stop)
  • Operating temperature range
  • Environment (dust, moisture, chemicals)
  • Target friction behaviour (assembly torque/friction control if relevant)
  • Application method and constraints (spray, dip, brush; curing options)
  • Volume and production process (prototype vs. series production)

Frequently asked questions

Bonded coatings form a thin, solid lubricating film after curing, providing dry lubrication without a continuous oil or grease supply.

When cleanliness is critical, relubrication is difficult, or you need stable friction behaviour in start-stop motion or under high contact pressure (application-dependent).

Yes?many coatings are designed for boundary lubrication and high contact pressure, but selection depends on materials, temperature and motion type.

Common methods include spraying, dipping or brushing, followed by drying/curing according to the coating system and process requirements.

Materials/contact pair, load and motion type, temperature, environment, and your production/application method constraints.

Let's specify the right bonded coating for your application.

Tell us the parts you want to coat, operating conditions, and how you plan to apply and cure the coating. If you have a target friction value or assembly requirement, include it. We’ll propose the best-fit coating system and implementation guidance.






    SERVICES

    COMPANY

    CONTACT

    01 TRCI Logo Logo without tagline SVG
    Privacy Overview

    This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.