There are many types of packaging films on the market, including PVC Shrink Film, pof shrink film, heat shrink film, pe heat shrink film, etc., depending on the material, the function is not the same. The pof shrink film is a kind of transparent The packaging film with gloss and close to the appearance of the product has the characteristics of energy saving, high shrinkage, transparent gloss and strong tear resistance. It has overturned the limitations of traditional packaging films and is well received by the market. Today, let's talk about the difference between pof shrink film and pvc shrink film.
PVC Shrink Film
The pvc shrink film is a synthetic material having heat resistance, toughness, ductility, etc. The upper layer of the surface film is lacquer, the main component in the middle is polyethylene, and the lower layer is a back coating adhesive. It also has the unique properties of rainproof, fireproof, antistatic. And it is easy to form, and is widely used in the building materials industry and packaging industry.
Pof shrink film is a new type of shrinkable film material. It uses linear low density polyethylene as the intermediate layer (LLDPE) and copolypropylene (PP) as the inner and outer layers. It is plasticized and extruded through three extruders. It is processed by special processes such as die forming and bubble inflation. POF is a packaging film with environmental protection, high transparency, high shrinkage, good heat sealing performance, high gloss, toughness, tear resistance and uniform heat shrinkage. It is suitable for use in automatic high-speed packaging and is a replacement product of traditional packaging. It is widely used in audio-visual products, tobacco, non-staple food, gifts, washing products and so on.
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