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  5. 3M™ Scotch-Weld™ Structural Adhesives Primer EC-1945 B/A

3M™ Scotch-Weld™ Structural Adhesives Primer EC-1945 B/A

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Two-part chemically curing, corrosion resistant primer

Cures at room temperature to eliminate need for added process steps

Formula provides excellent adhesion to metals

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  • Two-part chemically curing, corrosion resistant primer
  • Cures at room temperature to eliminate need for added process steps
  • Formula provides excellent adhesion to metals
  • Can be applied by dip, brush or spray to cover large areas quickly and efficiently
  • Long application time, up to 8 hours, to ensure quality and to accommodate comprehensive processes
  • Provides adhesion to epoxies and urethanes

3M™ Scotch-Weld™ Structural Adhesive Primer EC-1945-B/A is a two-part kit (base and accelerator). Our chemical curing primer is also corrosion resistant. Its formula helps improve adhesion of sealers, epoxies, and urethanes to most metals. It cures at room temperature (75°F) and offers a long application time to enable a variety of application methods.

EC-1945 B/A Structural Adhesive Primer requires no diluent, which helps eliminate guess work and the expense of additional chemicals. Our two-part chemically curing, corrosion resistant primer is designed for use with 3M aerospace adhesives. EC-1945 B/A primer improves adhesion of epoxies and urethanes to most metals as well as offering increased corrosion protection. EC-1945 B/A primer can be applied by dipping, brushing or spraying. Our formula provides corrosion protection inside and outside the bondline. EC-1945-B/A can be used to apply anti-corrosion coating on components. The stable coating also protects etched and anodized substrates for long term storage.

The Primer Advantage
3M™ Scotch-Weld™ Structural Adhesive Primer EC-1945-B/A can help improve production rates by offering quick flash off for no wait-time between passes. Let our unparalleled technical service and support show you how this surface treatment can make a difference to your primer line. 3M™ Scotch-Weld™ Structural Adhesive Primer EC-1945-B/A also offers these benefits:

Yellow structural adhesive primer being spayed from a PPS™ Paint Preparation System spray gun
3M Aerospace primers helps improve adhesive film performance and prevent corrosion
  • Excellent corrosion protection
  • Robust mechanical performance
  • Fewer applications and faster drying cycle saves time
  • Dip, brush or spray application

Primed for Take-off
In general, 3M Scotch-Weld™ structural adhesive primers complement the 3MScotch Weld™ Structural Adhesives portfolio and can be used to protect prepared substrates to be bonded. They facilitate "wet-out" of the primary adhesive film to the substrate, and are cured to enhance chemical resistance. Our adhesive primers help prepare the surfaces for the bonding agents and improve the conditions so that the adhesives are more effective and create stronger, longer lasting bonds.

Our Best for Your Best
3M is proud to partner with organizations across the spectrum of aerospace and related industries. Enabling efficiencies, reducing process times and lowering aircraft weight is how we execute our never-ending mission to offer best-in-class adhesives, sealants, surface protection products and composite resins that effectively reduce costs on multiple fronts. Professionals across the industry know the numerous advantages of 3M Aerospace. Our brand is widely recognized for the highest standards of quality and performance, adding value to the final results. By engineering reliability, longevity and value into all of our products, we have a history of saving money by reducing waste, rework and time.

Aerospace specifciation portal
Find what you need in our aerospace specification portal.

3M maintaints partnerships with every major aircraft OEM in the world. Find your spec today.


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