A bopp tape, packing tape,  is bopp two-way tensile polypropylene film as the backing material, after heat evenly distributed pressure sensitive adhesive emulsion, making its formation and μ m - and μ m unequal, forming a mother bopp tape coil. It is  indispensable things for light industry class enterprise, and company, individual life . After the high voltage corona treatment, puting the glue on the top of a rough surface to form tape mother roll, again through the slitting machine cutting into the small volume, forming our daily use of the tape.