SEM Plastic Adhesion Promoter Aerosol – 14.8 oz.


SEM Plastic Adhesion Promoter promotes adhesion to problem plastics such as PP or TPO repair materials and topcoats. It works equally well on most flexible or rigid plastics and on painted surfaces.

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If you’re wanting to refinish or even change the color of your car or RV’s interior plastic then the Adhesion Promoter is a must have. One can goes a long way if done properly. If coupled with the SEM Color Coat it will give you an amazing finish that will not chip, crack, or peel for dashboards, center consoles, door trim panels etc.

Instructions for use

Follow all can directions, GENTLY and LIGHTLY WET sand the surfaces with 800 grit, dry, then clean well with alcohol before starting.

  • Start with adhesion promoter, follow can instructions.
  • Then spray primer, color, and clear coat in 2 – 3 very light coats, each, and when you finish all primer coats, wait 24 hours to start color coats, and do the same when color coats are done, and you are ready to clear coat the piece(s).
  • Allow to dry for 48 hours, before reinstalling.



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