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Analysis of Different Types of Hand Stretch Film

 
I. Classification of raw materials used for manual stretch film forming: polyethylene stretch  film, polyethylene stretch  film, polyester stretch  film, etc.
 
 
II. Classified by the purpose of stretch  film: there are agricultural stretch films (plastic film and greenhouse film); Packaging wrapping films (such as food packaging films and packaging films for various industrial products), as well as breathable wrapping films for specific environments and purposes, water-soluble stretch films, and  films with piezoelectric properties.
 
III. Classify according to the molding method of hand stretch  films: there are extruded and then blown stretch  films, called blown stretch films; The stretch  film formed by extruding and plasticizing the molten material from the mold mouth is called the casting stretch film; The stretch  film made by rolling and plasticizing raw materials onto a rolling machine is called a rolling stretch  film.
 

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