... to 65% 4.fine thermal sealiing Our shrink film is light, non-poisonous, smell-less, and ... function and characteristics, it is widely used in the packing of food, beverage, drugs, textile products, stationery, ... for irregularly shaped products. It is a prevailing packing material of environmental protection. There are many kinds ... single sheet ,center folded .tube ,perforated plastic packing film -POF