Creating gas bubbles on the surface of the applied basecoat resulting from thinner closure in the applied coat film.

  • too thick a coating,
  • too high viscosity of sprayed basecoat,
  • too low spraying pressure,
  • too short drying times between the individual spraying passes,
  • too short drying time before heating or too high temperature of heating.


  • follow technical instructions.
Sand and apply coat again.

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