pof shrink film is made of PP and PE. 1.thinkness is 10.5~28mic; 2.shrink film rate up to 70%; 3. package materila shrink. Seven avdantages of POF packing film:1.It's uniform thickness and shrinkage rate up to 70% makes it suitable for all kinds of unique wrapping .2.Its stable frictional coefficient provides convenience for high speed wrapping.3.The well-proportioned ratio between fillm layers ...