SEM 42013 High-Build Primer Surfacer


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SKU: SEM 42013 SEM

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SEM High Build Primer works great for preparing patterns for molding.  Fills and sands quickly for rapid turnaround.  Has shown to work well with Platinum Silicone without inhibition (given sufficient dry time).


  • Provides superior adhesion
  • Excellent filling properties
  • Works on flexible or rigid substrates
  • Easy to sand
  • Top coat with most refinish materials

Works well on

  • Polyurethane/Plastic
  • Steel
  • Aluminum
  • Fiberglass


  • Coverage: 11 sq. ft. at 2 mil DFT
  • Coats: 2-3 medium wet
  • Dry time: 1 hr
  • Flash time: 5-10 min between coats

UN1950 Class 2.1