volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Repainting of plastic components that require special care > < Water-based double-layer paint (smooth, metallic and pearlescent colors)
Paint repair on plastic parts
Paint repair on plastic parts
  WARNING
The repainting procedure covers plastic without any preparation up to the application of varnish. Observe the steps to be performed in function of the affected layer.
Normally, primer is already applied to the plastic parts offered by P & A.
Pretreatment:
–  Sand the surface with P 400 and P 600 sandpaper.
–  Apply degreasing solution (silicone remover).
Correction of imperfections:
–  Correct imperfections with polyester paste for plastics, by following the manufacturer's specifications (Polyester paste for plastics + catalyst).
–  Dry the polyester paste for plastics (air or short waves).
–  Sand with P 80 sandpaper
  Note
With a sanding club or with a sanding machine or then with a vacuum plan.
Sanding control:
–  Control the sanding process (spray or dust)
–  Sand with P 150 and P 320 sandpaper
  Note
With a sanding club or with a sanding machine or then with a vacuum plan.
Cleaning:
–  Apply degreasing solution.
Anticorrosive protection:
–  Apply plastic sealant.
  Note
With an HVLP spray gun, with an opening and line pressure specified by the manufacturer, 1 or 2 coats.
–  Dry the plastic sealant in air (time specified by manufacturer).
Surface preparation:
–  Apply HS primer by respecting manufacturer's specification (HS primer + catalyst + diluent).
  Note
With an HVLP spray gun, with an opening and line pressure specified by the manufacturer, 2 coats.
–  Dry the PU primer in air or short waves (time specified by the manufacturer).
–  Sand with P 400 and P 500 sandpaper
  Note
With a sanding club or with a sanding machine or then with a vacuum plan.
Cleaning:
–  Apply degreasing solution.
Application of base (solvent or water solvent):
–  Apply the base by respecting manufacturer's specification (base + diluent).
  Note
With an HVLP spray gun, with an opening and line pressure specified by the manufacturer, 2 + 1/2 coats.
–  Dry the base in air or in the oven (time specified by manufacturer), until matting.
Application of varnish:
–  Apply the varnish by respecting manufacturer's specification (varnish + catalyst + diluent).
  Note
With an HVLP spray gun, with an opening and line pressure specified by the manufacturer, 2 coats.
–  Dry the varnish in air or short waves (time specified by the manufacturer).
   

Repainting of plastic components that require special care > < Water-based double-layer paint (smooth, metallic and pearlescent colors)