3M™ Adhesion Promoter 4298 is specifically formulated to be used with 3M™ Acrylic Foam Tapes for automotive applications. Since formulations and surface energies can vary for these types of materials, each application should be verified through testing. This adhesion promoter is supplied 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 applications. Be sure the primed surface remains free from contaminants prior to tape application.
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