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Shandong Fully Packing Materials Co.,Ltd

Add:High Tech Zone, Weishan County, Jining City, Shandong, China





Easy To Recycle, Non-toxic, Tasteless
Jul 05, 2018

PET heat shrinkable film is a new type of heat shrinkable packaging material. Due to its easy recycling, non-toxicity, odorlessness, good mechanical properties, and especially environmental protection, polyester (PET) has become an ideal substitute for polyvinyl chloride (PVC) heat shrinkable film.

Ordinary polyester is a crystalline high polymer, and a conventional PET film can only obtain a heat shrinkage rate of 30% or less by a special process. To obtain a polyester film with a higher heat shrinkage rate, it must also be modified. That is, in order to prepare a polyester film having a high heat shrinkage ratio, it is necessary to copolymerize a common polyester, that is, polyethylene terephthalate. The copolymerized modified PET film has a maximum heat shrinkage rate of up to 70%.

The characteristics of the heat-shrinkable polyester film: it is stable at normal temperature, shrinks upon heating (above the glass transition temperature), and is more than 70% heat shrinkage in one direction. The advantages of heat shrinkable polyester film packaging are: 1 body transparent, reflecting the image of the product. 2 tightly packed with good anti-scattering properties. 3 rain, moisture, mildew. 4 no recovery, there is a certain anti-counterfeiting function. Heat shrinkable polyester film is often used in the convenience food, beverage market, electronic appliances, metal products, especially shrinkage labels are its main application areas. Because with the rapid development of PET beverage bottles, beverage bottles such as cola, sprite, and various juices require PET heat shrinkable film to be used as a heat seal label. They are all polyester-based, environmentally friendly materials, and easy to recycle. use.

The heat-shrinkable polyester film is used as a shrink label to start on the outer packaging for daily use. Because it can protect the packaged goods from impact, rain, moisture, rust, and the product can win the user with a beautifully printed outer packaging, and it can show the good image of the manufacturer. More and more packaging manufacturers use printed shrink film to replace traditional transparent film. Because the printing shrink film can improve the appearance of the product, which is conducive to the advertising of the product, which can make the brand of the brand deeply impressed in the hearts of consumers.

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