The application of butyl tape in building waterproofing, automotive sealing, etc. is currently discussed. At present, butyl tape can be used for bonding and sealing in automobile assembly; butyl tape can be used for sealing and waterproofing the construction joints of subway tunnel structures; it can also be used for The interface of the waterproof project; also can be used as the waterproof treatment of the heterogeneous materials; the butyl tape can also be used as the airtight waterproof treatment of the doors and windows of civil houses and the decorative waterproof of the ventilation pipes; it can also be used in underground waterproofing, roof waterproofing and other projects ;, Double-sided butyl sealing tape Butyl tape can be used as a household product air conditioning and ventilation equipment, which can effectively reduce the vibration of the sound and achieve the effect of noise reduction.