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SEM 40793 Copperweld Primer 13oz.

Sold out
Original price $43.45 - Original price $43.45
Original price
$43.45 - $43.45
Current price $43.45
SKU SEM 40793

Copperweld is a zinc-based and copper-enriched weld-through primer that provides superior corrosion protection between welded substrates while minimizing heat affected zones and welding spatter.

Copperweld #40783 is discontinued as of June 2018 and superseded by Copperweld #40793. 


  • 40793 OEM recommended
  • Zinc-based formula for superior corrosion protection
  • Copper-enriched for improved conductivity while welding
  • Minimizes the heat affected zone while welding
  • Low weld-spatter formula
  • Smooth spraying and easy covering
  • Compatible with MIG and STRSW welding


  • Bare metal


  • Aerosol or brushable
  • Gold