3M 3909 IN 900 ML BOTTLE

3M 3909 - STRUCTURAL ADHESIVE PRIMER

3M 3909 is a structural adhesive primer compatible with many epoxy or nitrilephenolic based adhesive films.

Among those for example AF 30, AF 3109-2 and AF500.

The primer has been designed for improved adhesion to anodized aluminium.

It offers the following advantages :

- Insures complete wetting of film adhesive to adherend surface.

- Protects surface treated metals and diminish strongly the rate of natural re-oxidation.

- Improves shear and peel performance, on both etched and anodized surfaces.

- Results in superior environmental performance.

- Simplifies production scheduling by protecting the cleaned surfaces until bonding operation can be completed.

- Primer can be co-cured with heat curing film or 1-part paste adhesives.