The OTC TRE-4516 Automotive Attachment Tape Adhesion Promoter is a high-quality liquid primer specifically formulated for use with Transtar Attachment Tape. It is designed to enhance the adhesion of most low surface energy plastics, such as TPO, PPO, PP, and PC, as well as injection molded body side moldings and claddings used for automotive exterior trims. This adhesion promoter is perfect for ensuring a strong and long-lasting bond between surfaces. Trust OTC for all your automotive attachment needs.