3M Adhesion Promoter 86A is a liquid primer designed for use with 3M Polyurethane Protective Tapes and Boots and other acrylic adhesives to enhance initial adhesion in demanding situations. It promotes faster initial adhesion to surfaces such as polyurethane paint, epoxy primers and epoxy composites.
Features
- Faster initial adhesion build-up of 3M polyurethane protective tapes (e.g. 8673, 8663HS)
- Tested on epoxy glass composite, MIL-PRF-85285 topcoat, PPG CA8000, nickel, titanium and 2024-T3 aluminium
- Available as pre-saturated wipes and 1 pint cans
Applications
- Priming surfaces before 3M polyurethane protective tape and boot installation
- Edges of tape applications in demanding conditions
Notes
- Clean with isopropyl alcohol, apply the minimum amount, allow 10 minutes to dry and apply tape within 2 hours.
- Tapes applied over 86A are more difficult to remove.
| Packing | 473 ml |