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Materiais de repintura

Refinishing Materials

Carroceria · página 498 de 566 · 501-36-36 · parte 2 de 4

Página 498 do Manual de Carroceria: Materiais de repintura
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501-36-36 Paint - General Information 501-36-36 DESCRIPTION AND OPERATION Application 2-component polyester glass fiber stopper Working time approx. 4 - 6 minutes Drying 20°C approx. 12 minutes Short wavelength infrared approx. 4 minutes Medium wavelength infrared approx. 5 - 10 minutes Sanding tool Eccentric, sanding disk by hand Grade P80 - P150 2-component polyester fine stopper should always be applied after 2-component polyester glass fiber stopper. Application 2-component polyester spray stopper Use Equalization of uneven- ness Hardener quantity approx. 3 - 5% Working time approx. 25 - 30 minutes Layer thickness 200 µm or 4 - 8 spray passes Drying 20°C approx. 3 hours Short wavelength infrared approx. 10 minutes Medium wavelength infrared approx. 15 - 20 minutes Sanding tool Eccentric, sanding disk by hand Grade P80 - P150; fine sand - P280 Application 2-component plastic stopper for flexible thermoplastic Use Equalization of scratches or unevenness Hardener quantity approx. 3 - 5% Working time approx. 25 - 30 minutes Drying 20°C approx. 15 - 30 minutes Application 2-component plastic stopper for flexible thermoplastic 60°C approx. 15 min (Short wavelength infrared approx. 8 minutes)* (Medium wavelength infrared approx. 8-10 minutes)* Sanding tool Eccentric, sanding disk by hand Grade P80 - P150; fine sand - P280 Infrared drying may adversely affect adhesion, therefore check the manufacturer's instructions. Plastic stopper has a very great tendency to shrink back, so that the edge of the stopper repair becomes visible. Plastic stoppers are flexible and universally applicable on all types of plastic (except for pure PE and PP, these are plastics which cannot be painted). The manufacturer's instructions must be very exactly followed in order that no adhesion problems occur. A special plastic etch primer is specified for some materials. Primers Application 1-component primer Use Isolation of bare sanded areas. Spray gun HVLP 1.3 mm Spray pressure 2.0 bar Drying 20°C approx. 15 - 20 minutes 60°C approx. 10 min Coat application Wet on wet, no interme- diate sanding Application 2-component primer Use Corrosion protection and bonding agent (steel sheet, zinc coated steel sheet, aluminum)