The production process of pof shrink film

Pof shrink film is a substitute for traditional shrink film. It is mainly used for packaging products with regular and irregular shapes. It has high transparency and good gloss. It can clearly display the appearance of the product, improve sensory awareness, and reflect the grade. It is widely popular. Today I will tell you about the production process of pof shrink film: Pof shrink film is made of linear low-density polyethylene and copolymer polypropylene (TPP, PPC) as the main raw materials, adding necessary additives, and processed by co-extrusion blow molding. of. It mainly adopts the double-film bubble process, also known as the Pulandi process in the world. It melts and extrudes the raw materials through different extruders, through a specially designed co-extrusion die, forms the primary film and then quenches it, and then heats it. The product is obtained by inflation and stretching. Pof shrink film has the characteristics of energy saving, high shrinkage, transparent gloss, strong tear resistance, etc., which overturns the limitations of traditional packaging films and is very popular in the market. It can be used for packaging food, daily necessities, cosmetics, etc., if you need it Please contact us to purchase. Previous: The correct use of heat shrinkable film