The apparent from the film performances can be divided into three categories: soft sparkling PE film, black and white film, costringency PE stereoplasm high temperature cooking PE film.

• 从膜的外观不梢能机能看可不合纷歧不小类：不硬质乳白PE膜、彩色共挤PE膜、硬质不矮温蒸煮PE膜。