Product Category Search
Top rated adhesive primers
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Best overall
3M Scotch-Weld Adhesive Primer 19
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
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Best for metal
Loctite EPX Primer 1-2-3
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
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Best for high temperature
Permabond 910 Adhesive Primer
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
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Best budget pick
Loctite 770 Primer for Metals
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
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Best for plastics
Henkel Bonderite 9300 Primer
Designed for plastics and composites, this primer ensures reliable bonding with epoxy and urethane adhesives.
- Plastic compatibility
- Low viscosity
- Corrosion-free
- Requires proper ventilation
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Best for quick jobs
Devcon 5 Minute Epoxy Primer
A rapid-curing primer that prepares metal and wood for fast-setting epoxy adhesives.
- Fast cure
- Versatile substrates
- Easy mix
- Short shelf life
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Best for tough surfaces
Permabond TPR 770 Primer
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