(1) Good mechanical properties, light weight, convenient storage and transportation, and easy to carry and use;
(2) Barrier, good sealing and high transparency;
(3) Good processing performance, and can be manufactured into bottles, caps, films, bags and composite packaging materials of various specifications and sizes;
(4) Decorative coloring and good printing performance. Drug labels, instructions, signs, and barcodes can be directly ink-jetted or printed on plastic materials, and they will not fall off;
