This paper introduced processes of flat-blown-film, tube-blown-film and three-layer-extruder of blown film for FFS (Form-Fill-Seal) bag, and summarized the production equipment and material.

• 介绍了生产连续性一次自动成型-开口充料-加热封口(FFS)袋用吹塑薄膜的平膜法和管膜法工艺及三层共挤膜技术,概述了国内FFS袋用吹塑薄膜的生产企业和原料使用情况。