Also known as bopp tape, packaging tape, etc., it is based on BOPP biaxially oriented polypropylene film as a substrate, and evenly coated with pressure-sensitive adhesive emulsion to form a layer of glue ranging from 8μm to -28μm. It is an indispensable item in light industrial enterprises, companies and personal life. The country does not have a perfect standard for the tape industry. There is only one industry standard "QB/T 2422-1998 BOPP pressure sensitive adhesive tape for sealing" BOPP original After the membrane is subjected to high-pressure corona treatment, the surface of one surface is rough, and the glue is applied to the surface to form a parent roll, which is then cut into small rolls of different specifications by a slitting machine, which is the tape that we use every day. Pressure sensitive adhesive emulsion, the main component is butyl ester.