POOF shrink film is a substitute for traditional shrink film. It is mainly used for packaging regular and irregular shaped products. It has high transparency and good gloss. It can clearly show the appearance of the product, improve the sense of perception, reflect the grade, and is widely popular. Today I will tell you about the production process of pof shrink film:
The pof shrink film is made of linear low-density polyethylene and copolymer polypropylene (TPP, PPC) as the main raw materials, adding the necessary additives, and processed by co-extrusion blow molding process. It mainly adopts a double film bubble process, also known as the Plan process internationally. It is a process of melting and extruding raw materials through different extruders, through a specially designed co-extrusion die, after forming the initial film, it is quenched and then heated. The product is produced by secondary inflation and stretching.
Pof shrink film has the characteristics of energy-saving, high shrinkage, transparent gloss, strong tear resistance, etc., subverting the limitations of traditional packaging films, and is very popular in the market. It can package food, daily necessities, cosmetics, etc.