Top rated adhesive primers

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AI-generated summary · updated July 28, 2026 · verify details before purchase.

1. 

   1 Best overall 3M

   3M Scotch-Weld Adhesive Primer 19

   ★★★★★4.6/5 $50.84

   A fast-drying, high-performance primer that improves adhesion of epoxy and acrylic adhesives on metal and composites.

   • Fast drying
   • Excellent metal adhesion
   • Low odor

   • Limited to small containers

   View on Amazon manufacturer site
2. 

   2 Best for metal Loctite

   Loctite EPX Primer 1-2-3

   ★★★★☆4.5/5 $46.45

   Specially formulated for Loctite EPX epoxy series, providing superior bond strength on steel and aluminum.

   • Optimized for EPX
   • High bond strength
   • Easy spray

   • Not ideal for plastics

   View on Amazon manufacturer site
3. 

   3 Best for high temperature Permabond

   Permabond 910 Adhesive Primer

   ★★★★☆4.4/5 $32.98

   A heat-resistant primer that enables strong adhesion of high-temperature epoxies to metal surfaces.

   • Heat resistant up to 250°F
   • Improves epoxy cure
   • Non-corrosive

   • Higher price point

   View on Amazon manufacturer site
4. 

   4 Best budget pick Loctite

   Loctite 770 Primer for Metals

   ★★★★☆4.3/5 $46.45

   Cost-effective primer that enhances the performance of Loctite 770 structural adhesive on steel.

   • Budget friendly
   • Good metal prep
   • Quick dry

   • Limited to Loctite 770

   View on Amazon manufacturer site
5. 5 Best for plastics

   Henkel Bonderite 9300 Primer

   ★★★★☆4.5/5 $18-$22

   Designed for plastics and composites, this primer ensures reliable bonding with epoxy and urethane adhesives.

   • Plastic compatibility
   • Low viscosity
   • Corrosion-free

   • Requires proper ventilation

   View on Amazon manufacturer site
6. 

   6 Best for quick jobs Devcon

   Devcon 5 Minute Epoxy Primer

   ★★★★☆4.2/5 $7.82

   A rapid-curing primer that prepares metal and wood for fast-setting epoxy adhesives.

   • Fast cure
   • Versatile substrates
   • Easy mix

   • Short shelf life

   View on Amazon manufacturer site
7. 

   7 Best for tough surfaces Permabond

   Permabond TPR 770 Primer

   ★★★★☆4.4/5 $32.98

   A high-strength primer for challenging substrates like painted metal and coated plastics, boosting structural adhesive performance.

   • Handles coated surfaces
   • Improves shear strength
   • Low VOC

   • Spray application recommended

   View on Amazon manufacturer site

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