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PEEK Coatings for Industrial Applications

Polyether ether ketone (PEEK) coatings are high-performance thermoplastic coatings known for their exceptional chemical resistance, mechanical strength, high-temperature stability, and low friction properties. These coatings are used in industries such as aerospace, automotive, oil & gas, medical, and manufacturing, where extreme conditions demand superior durability and protection.

Key Benefits of PEEK Coatings:

✔ High-Temperature Resistance – Withstands up to 260°C (500°F) continuously.
✔ Superior Chemical Resistance – Resistant to acids, solvents, and hydrocarbons.
✔ Outstanding Wear & Abrasion Resistance – Extends component lifespan.
✔ Low Friction & Anti-Stick Properties – Reduces surface wear and energy loss.
✔ Corrosion & Oxidation Resistance – Ideal for harsh industrial environments.
✔ Biocompatibility & Sterilization Resistance – Suitable for medical applications.

Properties of PEEK Coatings

Property PEEK Coatings
Continuous Use Temperature Up to 260°C (500°F)
Chemical Resistance Excellent (Resistant to acids, bases, solvents, hydrocarbons)
Wear & Abrasion Resistance Outstanding
Thermal Stability High
Friction Coefficient Low
Dielectric Properties Excellent
Water Absorption Very Low
UV & Radiation Resistance High
Biocompatibility Excellent

Application Methods for PEEK Coatings

  1. Electrostatic Powder Coating
  • Process: PEEK powder is electrostatically sprayed onto heated or unheated components.
  • Advantages:
    • Uniform thickness and high adhesion.
    • Suitable for complex shapes and metal substrates.
  • Applications: Automotive parts, industrial tools, medical implants.
  1. Thermal Spray Coating
  • Process: PEEK powder is melted and sprayed onto the substrate using flame or plasma spray techniques.
  • Advantages:
    • High-performance coating for extreme wear and heat resistance.
    • Ideal for aerospace, oil & gas, and power generation industries.
  • Applications: Bearings, pump impellers, aerospace components.
  1. Dip Coating
  • Process: Components are dipped into a PEEK solution and then cured at high temperatures.
  • Advantages:
    • Provides thicker coatings and uniform coverage.
    • Suitable for pipes, rods, and cylindrical components.
    1. Spin CoatingApplications: Medical tubing, electrical insulation coatings.
    • Process: A liquid PEEK solution is applied to a rotating component to achieve uniform thin-film coatings.
    • Advantages:
      • Creates ultra-thin coatings with precise thickness control.
      • Used for semiconductor and electronic components.
    • Applications: Microelectronics, lab instruments.

     

Molybdenum Disulfide (MoS₂) Coatings: Properties and Applications

Molybdenum disulfide (MoS₂) coatings are widely used in industrial applications due to their exceptional lubricating properties, high load-bearing capacity, and resistance to extreme conditions.

Properties of MoS₂ Coatings:

  • Low Friction: Provides excellent lubrication, reducing wear and extending the life of components.
  • High Load Capacity: Can withstand heavy loads without breaking down.
  • Temperature Resistance: Performs well in extreme temperatures (-200°C to +450°C).
  • Chemical Stability: Resistant to moisture, chemicals, and oxidation, making it suitable for harsh environments.
  • Adhesion & Durability: Bonds well to metals, plastics, and ceramics, offering long-lasting performance.

    Industrial Applications:

    1. Aerospace & Defense: Used in aircraft components, bearings, and gears to reduce friction and wear.
    2. Automotive Industry: Applied in engine components, pistons, and gear systems for enhanced durability.

    As fail-safe lubricants, MOLYKOTE® Anti-Friction Coatings are valued by
    the world’s leading engineers and manufacturers and are trusted for uses where maximum wear endurance is needed in a wide variety of applications – from increasingly electrified, autonomous and energy-efficient vehicles to industrial challenges where functionality, connectivity, safety and sustainability are critical.

Elevating performance through advanced coatings

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Performance Polymer and Coating is at the Forefront of Innovation in Application of Polymers for Industrial Surface Coatings.

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