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PE stretch film advantages

TIME:2018-11-01

There are many overlaps between the application field of stretch film and shrink film, especially in the field of integrated packaging such as tray packaging, which can often be used in both wrapping and shrinking packaging, wrapping and heat shrinking packaging. For example: non-toxic, odorless, good hygienic performance, reliable binding of goods, can reduce the collapse and damage of goods during storage and transportation (when wrapped with wrapping film, the maximum inclination angle of the goods can reach 45°), etc. Compared to shrink wrap, stretch wrap films have many outstanding advantages in integrated packaging.


(1) The amount of stretch film is small, which is beneficial to reduce the packaging cost. Before the film is stretched, the thickness is usually about 0.02 mm, and after stretching, the thickness is lower (below 0.02 mm); Shrink film, the thickness before shrinkage is generally about 0.045mm, after shrink packaging, the thickness is about 0.055mm, so although the film partially overlaps when wrapping, the consumption of packaging film is significantly reduced compared with those who use heat shrink packaging, and it is expected to save entanglement. The film dosage is about 1/3.

(2) Wrap-wrapped packaging without heating, energy-saving significantly Whether taking mechanical wrapping or hand-wrapped packaging, the stretching and wrapping of the stretch wrapping film is used at normal temperature to complete the packaging of the product, and the shrinking packaging must be heated. The film is shrunk at a relatively low temperature to complete the packaging of the product. When the film is wrapped by the wrapping film, the energy consumption is only about 1/20 of the shrink packaging, and since the wrapping package does not require heating, the production safety is good, and the heat sensitive product is adopted. Wrap packaging is more advantageous than heat shrink packaging.

It is easy to use or use only a simple packaging device to complete the wrapping, which is also an important reason for its wide application in household refrigerator film and pasture packaging. For various reasons mentioned above, the application of stretch-wound film in integrated packaging and the like has been developing rapidly in recent years. In the aspect of integrated packaging of commodities, wrap-around packaging has been widely used to replace heat-shrinkable packaging.
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