... .Self-adhesive tape. 2.Can be used on a variety of commerical vehicles 3.Reinforcement,noise reducing material. 1, Dscription 690 Damping ... sheet is a type of solvent-free, non-spoliation sheet sealing material which is made ... , UV resistance, waterproof, and so on, and it is one of the best damping, reinforcement, noise reducing material. 2, Application area ...