5.4.4 Flame pyrolysis of metals2019-05-03T12:43:29+02:00

5.4.4 Flame pyrolysis of metals

Objective:

Flame pyrolysis generates a silicate-containing layer on the substrate surface.

Suitability:

Flame pyrolysis is in principle suitable for all uncoated metals.

Procedure:

  • Prior to flame pyrolysis the surface must always be thoroughly cleaned and degreased.
  • Prior to flame pyrolysis the surface is blasted with corundum.
  • Flame pyrolysis is also suitable for larger areas.
  • An active flame containing the coating substance is passed across the substrate surface.
  • After coating, a primer (adhesion promoter) suitable for the coating and adhesive is applied to the surface.

Points to heed:

  • Before undertaking flame pyrolysis, clean the substrates and blast them with corundum
  • Maintain the correct distance between the active flame and the substrate surface
  • Observe the specified treatment duration; then apply a suitable primer

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