3M Adhesion Promoter 06396 is a liquid primer used for enhancing adhesion of 3M Acrylic Foam Tapes for interior and exterior trim applications. 3M Adhesion Promoter 06396 is specifically formulated for automotive applications. It comes in an easy-to-use sponge applicator packet. The liquid contents of the packet should be completely used as soon as possible after opening. Apply promoter only to areas that will be fully covered with tape. The primer should be dry before applying tape. For best results, apply tape immediately after primer application or no more than one hour after primer application. Be sure the primed surfaces remain free from contaminants prior to tape application.