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Stretch film is mainly PE stretch film in terms of material.
Generally speaking, it is divided into three categories:
1. Stretch film for hand use:
It is packed by hand. Generally speaking, this kind of stretch film has lower quality requirements, and the roll weight is about 4KG to facilitate operation;
2. Machine use resistant stretch film:
This kind of stretch film is packed mechanically, which is driven by the movement of the goods to pack the film roll. There are certain requirements for the elongation of tensile strength. Generally, the elongation rate is about 300%; The weight is generally 15KG;
3. Machine use pre stretched stretch film:
This kind of stretch film is packed with machinery. When packing, the packing machine stretches the stretch film to a certain percentage before wrapping it on the goods to be packed. The resilience of the film The goods are packed tightly, the products have high quality requirements, and have high tensile strength, elongation and puncture resistance.
