Since the beginning of this year, high-shrinkage plastic films have entered the flexible packaging market in large quantities, and some of them are used in shrink sleeves, full-cover labels, bottle caps and cap closures, security tapes, and bundle packaging. Industry experts agree that this type of packaging material will have a great impact on the market, including convenience foods, beverage markets and so on. At the same time, it is also possible to replace soft bag packaging materials and cardboard products. Most industry analysts believe that the demand for shrink labels will increase by approximately 20% annually over the next five years.
According to reports, high-shrinkage plastic films are produced from horizontal orientation lines, and the transverse stretching ratios vary according to the shrinkage requirements and the materials used (such as polyethylene terephthalate, polystyrene and polyvinyl chloride). set. The high-shrink plastic film label is placed over the container and pre-contracted with the container through a high-temperature tunnel. Nowadays, high-shrinkage plastic films are commonly used for the promotion of new products, including beverages, dairy products, powdered foods, and fast foods, among which shrink labels are one of the main applications for high-shrinkage plastic films.
It is understood that in recent years, in addition to high-shrink plastic film used as a label, many are also used in the packaging. Because it can protect objects from impacts, it can also win customers with beautifully printed packaging, and at the same time shows the company's good image. At present, more and more packaging companies use printed shrink film instead of traditional transparent film, because the printed shrink film can improve the appearance of the product, facilitate product advertising, so that the brand of the brand in the minds of consumers to form a deep impression. In order to meet the needs of customers, major machinery companies are also working hard to develop new production lines to produce shrink films that meet market needs. For example, the LSK and SK series production lines produced by Italy SMI can produce a variety of printed shrink films, which can be operated in single, double and triple passes. The packaging process is completed in stages.