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Self Adhesive Protective Film Self Adhesive Film Dec 28, 2017 As the name suggests is a self-adhesive protective film, without glue. In the industry is a high transparent and flexible soft film, is generally PE material. Since the mucosa has a high tensile strength, tearing strength and good resistance to puncture, with low density polyethylene as the main raw materials to add a little material evenly mixed, after the extrusion system melt plasticizing and then through the die and molding mold using Single-layer, Double-layer, or three-layer coextrusion process made of a new packaging materials.