Classification Of Packaging Film
Now, the packaging film is more and more popular. This paper introduces different types of it.
PVC (polyvinyl chloride)
Can be used to make packaging film, PVC heat shrinkable film, etc. Application: PVC bottle label.
Flow Polypropylene Film
Flow polypropylene film is a kind of polypropylene film produced by flow process, which can be divided into ordinary CPP and cooking GRADE CPP. It has excellent transparency, uniform thickness and uniform performance in vertical and horizontal directions. It is generally used as the inner layer material of composite film.
CPP (flow polypropylene) is polypropylene (PP) film produced by flow extrusion process in plastic industry. Application: mainly used for inner sealing layer of compound film, suitable for packaging of articles containing grease and resistant to cooking.
Biaxially Stretched Polypropylene Film
Bidirectional tensile polypropylene film is made of polypropylene particles formed by co-extrusion and then stretched in both vertical and horizontal directions.
Application: Mainly used for composite film printing surface layer.
After special processing, it can be made into pearlite film (OPPD), extinction film (OPPZ) and so on.
Chlorinated Polyethylene (CPE)
Chlorinated polyethylene (CPE) is a saturated polymer material with the appearance of white powder, non-toxic and tasteless. It has excellent weather resistance, ozone resistance, chemical resistance and aging resistance, and has good oil resistance, flame retardant and coloring performance.
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