Butyl waterproof tape is main made by butyl rubber. With a variety of other environmental AIDS, the environmental friendly solvent – free sealant is produced by special process. It is an advanced environmental protection waterproof sealing material. Can maintain flexibility and adhesion, can withstand a certain degree of displacement and deformation, and has good tracking, excellent waterproof, sealing and chemical resistance, aging resistance, weather resistance, uv resistance, and have long service life.