Dry Lubricants

the alternative for special application cases

Dry lubricants can be classified into solid lubricants in powder form, ceraceous sliding films and in bonded coatings containing solids.

Bonded coatings are solid lubricants (usually MoS2, graphite or PTFE) that are incorporated into an organic or inorganic binder. In order to allow distribution of the bonded coating, a solvent which evaporates during the hardening or drying time is added. After thorough preparation of the surface, coating is carried out by means of immersion, spraying or painting.

The dry bonded-coating layer is between 10 and 20 μm thick. It withstands high pressure loads and extreme temperatures, does not take on soiling and is characterised by a very high chemical resistance and an excellent long-term lubrication.

Bonded coatings are used in many technical fields such as at nuts, screws, bolts, washers, springs, sealing rings, gearwheels, slideways and threaded spindles.

Compared to classical lubricants bonded coatings are characterised by 

  • Dry lubrication without oil and grease
  • Clean lubrication without dirt adherence
  • Very low friction coefficients possible
  • High temperature resilience
  • No evaporation losses
  • Use in vacuums possible
  • Chemical-physical stability
  • Effectiveness also at low sliding speeds
  • Long-term and lifetime lubrication
  • High cost effectiveness

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