2. The adhesive tape is the adhesive tape we use every day. On the basis of the original BOPP film, one side is roughened by high-voltage corona, coated with glue and divided into small rolls. Adhesive tape is acrylic adhesive, also called pressure sensitive adhesive, and its main component is tincture. Butyl ester is a kind of polymer active substance, and the temperature has a certain influence on the molecular activity. The butyl ester content of glue directly affects the use of adhesive tape. The initial adhesion of normal sealant tape is ≥ 13 (number of steel balls), and the thickness of this adhesive tape is generally 22 microns, which meets the standard thickness.