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Various processing techniques for Calendered PVC film
Jul 12, 2018

Different processing techniques can be used for different films or for different products, and the Calendered PVC film is the same. Under the conditions of the type, nature and various additives of the film, the influence of the processing technology on the film properties is very significant.


The processing process of the rolled PVC film includes a lot of, firstly, injection molding, heating and melting the film particles in an injection molding machine, and injecting the film into the mold at a high pressure and speed. Or extrusion molding, the heated melted film is extruded into different shapes by different extrusion nozzles through the extrusion of the extruder.


Molding is also one of the processing processes of Calendered PVC film. The plastic powder, flakes and granular raw materials are placed in a mold to be softened and heated to form a chemical cross-linking to cure. The so-called lamination molding is to layer After the dip-coated reinforcing material is dip-coated with the thermosetting resin, it is processed to form a rotten laminate, and the crucible is subjected to a heat treatment by a laminating machine to form a cured product.


The processing technology of the rolled PVC film also includes casting molding and foam molding. The former is to cast a liquid film on the mold to cure and solidify under normal pressure or low pressure; the latter can be mechanically or chemically used in the plastic. A large number of tiny spherical bubbles are introduced to form a foam film having a small bulk density, good thermal insulation performance, and good sound absorption performance.

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