![]() ![]() (family, friends, etc.) Will extend dry times but i feel it is worth it on the right jobs. SPI products do not require flex additive but on really flexable plastic parts or for extra insurance I add flex to those jobs that you know you will have to live with. ![]() Slow solvent in base with 20-30 min flash between coates & slow activator in clear for best durability & results. As suggested in other posts for best durability use clear activator in your solvent base at 1 cap full per sprayable QT. Epoxy as a sealer & paint or Urethane prime, sand & paint. If the cover has primer on it you do not need adhesion promotor. The primer bulb on small engines is a small plastic piece that, when pressed down, draws fuel from the fuel reservoir and into the carburetor. Follow with epoxy as a sealer or some prefer to apply urethane primer flexed & then sand & paint. ![]() (Very important) apply plastic adhesion promotor to bare plastic. Dry then reclean with water bourne pre -cleaner dry again making sure you have removed all sanding paste residue. If the plastic is bare then scotchbrite with sanding paste wash with soap & water. Plastic adhesion promotor is for bare untreated plastic only not to be used over primed urethane bumper covers. If it has primer on it do not use plastic adhesion promotor. If this is a new bumper cover you need to check if it already has primer on it from the factory OEM or aftermarket. Prep Materials: Youll need various grades of sandpaper/ wet-n-dry paper, de-greaser, cloths, body filler, filler spreader, masking tape, masking paper, Paint. ![]()
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