What is the base material used for Jumbo Roll BOPP Tape?

What is the base material used for  Jumbo Roll BOPP Tape?

Also known as BOPP tape, packaging tape, etc., it is based on BOPP biaxially oriented polypropylene film as substrate, after heating evenly coated pressure sensitive adhesive emulsion, make it form 8 μ m----28 μ The adhesive layer of M is an indispensable article in light industrial enterprises, companies and personal life. The state 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 case sealing". After high-voltage corona treatment, one surface of BOPP original film forms rough, and the parent roll is formed first after the glue is coated on it, Then cut into small rolls of different specifications through the slitter, which is the tape we use every day. The main component of pressure-sensitive adhesive emulsion is butyl ester.