POF shrink film: good transparency, good flexibility, degradable; The initial shrinkage temperature is 100-150℃, the shrinkage ratio is greater than 50% in both vertical and horizontal directions, the thickness is 0.012-0.04, and it is not suitable for packing heavy objects and long-term storage.
PE heat shrinkable film: good flexibility, large tension, opaque, suitable for group packaging, packaging heavy objects; The initial shrinkage temperature is 180℃, the shrinkage ratio is 0% ~ 50% transverse, 50% ~ 85% longitudinal, and the thickness is 0.03 ~ 0.15 MM. It is not suitable to package items that are not resistant to high temperatures.
