3M Aerospace and Aircraft Maintenance Division Datasheets for Primers and Adhesion Promoters

Primers and adhesion promoters are applied to a substrate to enhance the bond strength between a surface coating (e.g., clear coats, adhesives) and the substrate.
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Product Name Notes
3M™ Scotch-Weld™ Silane-Based Metal Primer -- EC 3901 3M™ Scotch-Weld™ Metal Primer EC-3901 is a primer for 3M™ Scotch-Weld™ film and liquid adhesives in those applications where it is desired to obtain improved metal and glass adhesion. 3M™
3M™ Scotch-Weld™ Structural Adhesive Primer -- EC-1290 3M™ Scotch-Weld™ Structural Adhesive Primer EC-1290 is a sprayable primer suggested for use with 3M™ Scotch-Weld™ Structural Adhesive Films AF-6, AF-10 and AF-13. Simplify production scheduling by protecting the cleaned...
3M™ Scotch-Weld™ Structural Adhesive Primer -- EC-1660 3M™ Scotch-Weld™ Structural Adhesive Primer EC-1660 is a primer for 3M™ Scotch-Weld™ film adhesives for applications where it is desired to obtain improved adhesion or improved resistance to environmental exposure.
3M™ Scotch-Weld™ Structural Adhesive Primer -- EC-1945 B/A 3M™ Scotch-Weld™ Structural Adhesive Primer EC-1945 B/A is a two-part chemically curing, corrosion resistant primer. Scotch-Weld EC-1945 B/A primer improves adhesion of sealers, epoxies, and urethanes to most metals as...
3M™ Scotch-Weld™ Structural Adhesive Primer -- EC-2174 3M™ Scotch-Weld™ Structural Adhesive Primer EC-2174 is a primer for Scotch- Weld film adhesives. It is especially suggested for use with 3M™ Scotch-Weld™ Structural Adhesive Film AF 31.
3M™ Scotch-Weld™ Structural Adhesive Primer -- EC-3960 3M™ Scotch-Weld™ Structural Adhesive Primer EC-3960 is a sprayable corrosion inhibiting adhesive primer. It provides a high degree of protection against corrosive environments both inside and outside the adhesive bondline.
3M™ Scotch-Weld™ Structural Adhesive Primer -- EW-5000 3M™ Scotch-Weld™ Structural Adhesive Primer EW-5000 AS is a sprayable, low VOC, heat curing, structural adhesive primer that contains a non-chromated, corrosion inhibiting package to provide protection against corrosive environments.
3M™ Scotch-Weld™ Structural Adhesive Primer -- EW-5000 AS 3M™ Scotch-Weld™ Structural Adhesive Primer EW-5000 is a sprayable, waterbased, low VOC, heat curing, chromated, corrosion inhibiting primer that can provide protection against corrosive environments. Scotch-Weld EW-5000 primer is designed...
3M™ Scotch-Weld™ Structural Adhesive Primer -- EC-3984 3M™ Scotch-Weld™ Structural Adhesive Solution EC-3984 is a liquid, sprayable modified version of 3M™ Scotch-Weld™ Structural Adhesive Film AF 3109-2 . It has improved high temperature performance compared to conventional...
3M™ Adhesion Promoter -- 86A Transparent
3M™ Adhesion Promoter -- 86A Transparent Liquid
Use with 3M™ Polyurethane Protective Tape to enhance initial adhesion in demanding situations. Promotes faster ultimate adhesion to certain surface types (polyurethane paint, epoxy primers, epoxy composites). Companion product for...
3M™ Scotch-Weld™ Structural Adhesive Primer -- EC-3924 Use with AF-163-2 Bonding Films. Sprayable or Brushable, Curing Type. High Degree of Protection Against Corrosive Environments Both Inside and Outside the Bond Line.
3M™ Scotch-Weld™ Structural Adhesive Primer -- EC-3917 Use with Epoxy Based Film Adhesives. Contains Corrosion Inhibitive Pigment for Added Corrosion Protection. Insures Complete Wetting of Film Adhesive to Adherend Surfaces. Simplified Production Schedule, Protects Clean Surface Until...