3M™ Scotch-Weld™ Metal Primer EC-3901 is used for improved metal and glass adhesion or resistance to environmental exposure with epoxy and urethane structural adhesives. EC-3901 ensures complete wetting of adhesive to adherend surfaces. This primer can simplify production scheduling by protecting the cleaned surfaces until the bonding operations can be completed.
FEATURES:

• Improves adhesion to glass and metal
• Increases resistance to environmental exposure with epoxy and urethane structural adhesives
• Protects cleaned surfaces until bonding operations can be completed
• Offers improved corrosion protection to metal for long-lasting performance
• Ensures complete wetting of adhesive to adherend surfaces
• Applies easily and dries quickly