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Applied using electrostatic, dispersion coating or thermal spray techniques

VICOTE 700 Series powder coatings can be applied by conventional electrostatic coating equipment either in manual or automatic powder booths using a negative Corona charge. Recent technological developments make it possible for VICOTE® Coatings to be applied by flame spraying. This cost-effective process uses flame spray equipment with a unique gun nozzle design that sprays the PEEK coating onto a metal substrate, providing a tough high temperature durable chemically resistant coating.

VICOTE 800 Series aqueous dispersions can be applied using conventional gravity, suction HVLP or pressure spray coating equipment. Refer to processing guidelines for VICOTE 700 Series Powder Grades, VICOTE 800 Series Aqueous Dispersions and Flame Spraying for details.

Electrostatic Coating

  • Powders are sprayed directly onto a heated substrate. Powders melt to form the coating typically 100 – 1000 microns dft (4-40 mil dft).
  • Typical applications: food processing parts, pump parts, dampers, bushings, cylinder head gaskets, bearings, parts for corrosion resistance, parts for use in the oil and gas industry and molds.

Thermal Spraying

  • A stream of VICOTE powder passes through the gun and is heated to such a temperature that the powder melts and is deposited at high velocity as “splats” on the surface of the substrate.
  • Potential applications: thermally sensitive substrates that can’t be heated in an oven, parts that require repair or upgrading of in-service equipment, and parts that would be difficult or costly to produce by other means. This method of application can also be used where the Faraday Cage effect limits the application by electrostatically applying the powder.

Dispersion Coating

  • The formulated aqueous-based polymer coating is sprayed onto the substrate which is subsequently heated to form a thin film on the substrate (typically 25- 50 microns dft). Dispersions allow a wider range of formulation options to enhance wear and release properties.
  • Typical applications: cookware, irons, engine piston rings, bearing cages, large parts in chemical plants for corrosion resistance, coating glass and woven fabrics.

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