How do I prep aluminum and stainless steel before bonding with epoxy?

- minimally, to ensure a good bond, the surfaces to be bonded should be clean, sanded (no finer than 150 grit), and solvent wiped.

- Optimal performance can be achieved by following the surface preparation method below.

  • Degrease
  • Apply an aluminum pretreatment primer or solution such as Alumiprep 33.
  • Rinse the metal thoroughly in cold running tap water followed by distilled or deionized water rinse.
  • Bond within 3 hours

How do I prep steel (other than stainless steel) before bonding with epoxy?

What is the best epoxy adhesive for my project?

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