快餐食品半透明纸和耐油纸现已用于这个领域,而由于快餐食品包装要求内部的油脂渗出和外部的氧气侵入的高阻隔性,及低引裂和摩擦强度,这样拉伸聚丙烯共挤薄膜能满足这方面的要求,另外还能进行为防止内容物因受光线而氧化的油墨印刷和镀铝。而大包装袋和纸箱内的土豆片用小型内袋,则常用高 Fast food translucent and oil resistant paper are now used in this area, and since fast food packaging requires high barrier properties of internal grease infiltration and external oxygen intrusion, as well as low cracking and frictional strength, Films can meet this requirement, as well as printing and plating aluminum to prevent the contents from being oxidized by light. The large bags and cartons of potato inside a small bag, the commonly used high