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Stretch film has three grades according to different density
2017-05-11 10:11:20

Stretch film has three grades according to different density

    Stretch film are based on different density of polyethylene synthesis will have high school low three grades, Shenzhen stretch film using the information is more popular international one of the heat shrinkage data. Tungsten steel wire drawing die can be made into a tubular film, L-type fold film and single film, but also according to customer needs to make pocket film, easy to use.
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   Stretch film is also easy to identify the packaging, the previous carton packaging are opaque, when the shipment can not see the goods inside the wrong, and now Friends of the chain transparent stretch film packaging, easy to see inside the goods, This reduces the shipping error.
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    1, barrier properties: According to the different requirements of the product packaging, Shenzhen stretch film to deal with moisture, water vapor, gas, light, aroma, odor, heat and so have a certain blocking effect.
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    2, a certain mechanical properties: Shenzhen stretch film should be able to effectively protect the product, it should have a certain strength, toughness and flexibility, to adapt to pressure, shock; vibration and other static and dynamic factors.
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    3, good safety performance: Shenzhen stretch film itself is too small to avoid contamination of the product and affect human health; packaging materials should be non-corrosive, and has pest control, moth, anti-rat, inhibit microbial and other properties to protect the product Safety.