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With the advancement of technology and the introduction of a wider range of plastics into production, film blowing machine technology has also undergone continuous research and development, resulting in rapid development and adaptation. Film blowing machines are now commonplace in a wide range of industries. Consequently, a wide variety of film blowing machines have emerged, including double-layer co-extrusion film blowing machines, three-layer co-extrusion film blowing machines, multi-layer co-extrusion film blowing machines, PE film blowing machines, PP film blowing machines, and other film blowing machines, which are widely used in various industries. Let’s now understand the purpose of developing multi-layer co-extrusion film blowing machines.
To meet the special functional requirements of plastic film packaging materials during production, multi-layer co-extrusion film blowing machines have been developed to combine and co-extrude multiple materials with specific properties (such as breathability, waterproofing, thermal insulation, and toughness) to form a multifunctional plastic film . The purpose of multi-layer co-extrusion film blowing machines is to leverage the advantages of multiple materials while mitigating the disadvantages of single-material or single-layer film blowing machines.