OKS 589 – MoS₂ PTFE Bonded Coating, thermosetting

OKS 589 is a MoS₂-PTFE bonded coating for dry lubrication of sliding surfaces under heavy loads, low speeds and corrosive influences

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Areas of application

  • Dry lubrication with solid lubricants for long-lasting efficiency at low sliding speed and with high surface pressure
  • Long-term lubrication with excellent protection against wear for increased service life of slide areas
  • Fully effective even after longer downtimes; no adherence of dust and dirt

Advantages and benefits

  • High-strength long-term antifriction bonded coating with high efficiency through good adhesion on prepared surfaces
  • Constant friction value of the sliding film even under extreme load
  • Increased protection against wear of otherwise not accessible slide areas

Technical specifications

  • lower operating temperature: -70 °C
  • upper operating temperature: 250 °C
  • press-fit test (μ): 0,07, no chatter
  • thread friction coefficient (μ total): 0.08 (screw ISO 4017 M10x55-8.8 black-oxide, nut ISO 4032 M10-10 black-oxide)


For optimum adhesion clean surfaces, first mechanically and then with OKS 2610/OKS 2611 Universal Cleaner. The surfaces (roughness between 5 to 10 μm showed the best result) must be metallic bright and dry. Chemical or mechanical preparation of the surfaces might considerably improve the service life of the bonded coating. The application preferably is effected undiluted by spraying or dipping, in single cases also by brushing a uniform thin film on to the prepared surfaces. Local excess should be avoided. Drying and curing conditions acc. to the following technical data

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