After the original pressure sensitive "Mu m----28 also known as BOPP tape, packaging tape, it is with BOPP biaxially oriented polypropylene film as substrate, after heating evenly pressure sensitive adhesive emulsion, so that the formation of 8 mu m ranging from layer is light industrial enterprises, companies, personal life indispensable activities, the country home of adhesive tape industry is not a perfect standard, only an industry standard QB / T 2422-1998 box of BOPP adhesive tape, BOPP film corona treatment, the side surface to form rough, the glue is coated on top, to form a parent roll, and then the machine cut to size ranging from small volume, is our daily use of tape. Pressure sensitive adhesive emulsion, the main ingredient is butyl ester.