3M™ Adhesion Promoter is a liquid primer used for enhancing adhesion of 3M™ Acrylic Foam Tapes for interior and exterior trim applications.
An adhesion promoter or primer is most commonly a resin system in a solvent-based carrier and is used to alter the surface characteristics of a substrate prior to tape application. This surface alteration enhances, or in some instances creates a modified surface for bonding with a particular pressure sensitive adhesive. Adhesion promoters are most often used to raise the substrate surface Full Text . . .
3M™ Adhesion Promoter 4298 is a liquid primer used for most low surfaces energy plastics. This would include common low surface energy plastics used for automotive dash and interior trim applications (TPO, PPO, PP, PC, PC + ABS, etc.)