Epoxy-Based Primers

3M™ Scotch-Weld™ Structual Adhesive Primer EC-1945 B/A

• Two-part chemically curing, corrosion resistant primer.
• Cures at room temperature.
• Excellent adhesion to metals.
• Excellent sprayability.
• Long application time (up to 8 hours)

3M™ Scotch-Weld™ Structural Adhesive Primer EC-3924 B

• Sprayable or brushable corrosion inhibiting adhesive primer.
• Complete wetting of the adhesive to the adherends.
• Can be spray, brush or roller applied.
• Improves durability of bonded joint.
• Protects cleaned surfaces.
• Can be used as a corrosion resistant coating.

3m™ Scotch-Weld™ Structural Adhesive Primer EC-3917

• Contains a corrosion inhibitive pigment for added corrosion protection.
• Ensures complete wetting of the adhesive to the adherends.
• Improves durability of bonded joint.
• Protects cleaned surfaces.
• Can be sprayed or brush applied.

3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960

• Sprayable, corrosion inhibiting adhesive primer.
• Capable of high transfer efficiency (less overspray waste).
• Provides corrosion protection inside and outside the bondline.
• Provides long-term durability to bonded joints.
• Protects etched and anodized substrates for long-term storage.
• When cured at 250°F (121°C), the primer provides a solvent resistant coating.
• Can be co-cured with adhesives at 250° or 350°F (121°C or 177°C).