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October 2021

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Fluoropolymer Coatings for Medical Devices

Mueller Corporation, a provider of vacuum metalizing and functional coatings industry, has announced updates to its suite of functional coatings to include PTFE, FEP, PFA and fluoropolymer coatings. This updated suite of industrial coatings is used for projects pertaining to medical manufacturing, medical devices and the aerospace and defense industries. With ISO, ASD and ITAR certifications, Mueller Corporation is equipped to support clients with functional PTFE coatings for a variety of applications.

Polytetrafluoroethylene is a synthetic polymer consisting of carbon and fluorine and is designed to withstand high temperatures, water, chemicals and provide a low coefficient of friction. PTFE can be used in commercial applications of industrial coatings to optimize the quality and performance of medical products and aerospace/defense products.

Mueller's new suite of fluoropolymer coatings includes PTFE coatings, ETFE coatings, PFA coatings, FEP coatings and primers and thinners

PTFE industrial coatings offer the following properties:

  • Few solid substances will permanently adhere to a PTFE industrial coating. While tacky materials may show some adhesion, almost all substances release easily.
  • With PTFE industrial coatings, the coefficient of friction is generally lowered to a range of 0.05 to 0.20, depending on the load, sliding speed and type of coating used.
  • PTFE industrial coatings can operate continuously at temperatures up to 500 °F, and can be used for intermittent service up to 550 °F with adequate ventilation without affecting any other properties.
  • Many PTFE industrial coatings can withstand temperatures as low as -454 °F without loss of physical properties or affecting any other properties.
  • Chemical environments usually do not affect PTFE industrial coatings. The only chemicals known to affect these coatings are molten alkali metals and highly reactive fluorinating agents. The coatings' low porosity leads to greater permeation resistance.
  • PTFE industrial coatings are both hydrophobic and oleophobic. The low surface energy of the coatings means that the cohesive forces in the water are strong enough to make the water bead up and not spread across the surface of the coating.
  • Over a wide range of frequencies, PTFE industrial coatings have a high dielectric strength, low dissipation factor and high surface resistivity. Adding fillers to certain coatings can make them electro-conductive enough to be used as an anti-static coating.
  • PTFE industrial coatings are very resistant to scratches and abrasion due to their enhanced durability and toughness. Surface scarring is minimal, especially in certain coatings with property enhancing fillers.

For more information contact:

Mueller Corporation

530 Spring St.

East Bridewater, MA 02333


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