化学名词.
The Cast Polypropylene Film is polypropylene based,and offers impressive transparency and external glossy qualities.It is excellent for packaging snacks as well as being used as a sealant film for retorting purpose due to its superb heat sealing characteristic and stabilizing dimensions of packaged contents.
构词法你看嘛,poly为聚,于是polypropylene就是聚丙烯.
根据英语介绍,CPP是一种可塑性优且适合用于包装零食.