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How to evaluate the quality of stretch film

Source:How to evaluate the quality of stretch filmTime:2019-02-23Visitors:

Many people don't know what stretch film is, but in fact it has appeared too much in our lives. Many kinds of packaging use stretch film. How to evaluate the quality of stretch film?

The main function of the stretch film is to prevent the object from leaking, convenient storage and handling to extend the color life of the product, and greatly enhance the value of the product. The purpose of the stretch film manufacturer is to prevent the built-in articles from flowing out. It is easy to use in the process of use, and the elasticity is better. In today's rapid development of the market economy, any enterprise can not be separated from the stretch film, and the stretch film is not only used for packaging. And it has also met the requirements of environmental protection, and more and more companies have chosen it.

So how do you evaluate the quality of the stretch film? There are mainly the following aspects:

1. Barrier performance: According to the different requirements of product packaging, Shenzhen stretch film should have a certain blocking effect on moisture, water vapor, gas, light, aromatic gas, odor and heat.

2, Certain mechanical properties: stretch film should be able to effectively protect the product, it should have a certain strength, toughness and flexibility to adapt to pressure, impact; vibration and other dynamic and dynamic factors.

3, Good safety performance: the tensile film itself is less toxic, so as not to pollute the product and affect human health; packaging materials should be non-corrosive, and have anti-insect, anti-mite, anti-mouse, anti-microbial and other properties to protect product safety .

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