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Parylene is a trade name for polymers vaporized on the surface of objects to protect against moisture and produces a diaelectric barrier. It creates an excellent moisture barrier and is used to cover PCBs, medical devices and in many other applications. The coating created by Parylene has Bio-Medical properties and is used to coat: stents, pacemakers, defibrillators and other devices permanently implanted in the body. Parylene C applied to the PCB shows very good adhesion to all components installed on it.

Features and Benefits:

  • A hydrophobic chemical resistant coating with good barrier properties for inorganic and organic carriers of acids, alkalis, gases and water vapor
  • Biostable coating
  • The coating is applied without temperature loading of the substrate because the coating takes place at room temperature in a vacuum
  • Highly corrosion resistant
  • Completely homogeneous surface
  • Stable to oxidation up to 350 ° C
  • Low internal stress
  • Low coefficient of friction
  • Very low gas permeability

Typical  applications:

  • Hydrophobic coating (moisture barriers, for example for biomedical hoses)
  • Barrier layers (e.g., filter, membranes, valves)
  • Microwave electronics
  • Implanted medical devices
  • Sensors in difficult conditions (e.g. car fuel / air sensors)
  • Electronics for space and military applications
  • Corrosion protection of metal surfaces
  • Strengthening micro structures
  • Protect plastic, rubber, etc. under harmful environmental conditions
  • Reducing friction, for example, for guide catheters, acupuncture needles and in micro electromechanical systems.

 Presentation Parylene


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