Extrusion process of PVC transparent sheet with vacuum unit

In plastic processing, also known as extrusion molding or extrusion, in rubber processing, also known as extrusion. It refers to a kind of processing method that materials are heated and plasticized, pushed forward by the screw through the action between the extruder barrel and the screw, and continuously made into various cross-section products or semi products through the head.

In chemical fiber industry, extruders are also used to feed spinnerets for melt spinning. Extrusion is applied to the processing of thermoplastic and rubber. It can be used for batching, granulation, rubber filtering, etc. it can be used for continuous production. It can manufacture various continuous products, such as pipe, profile, plate (or sheet), film, wire and cable coating, rubber tire tread, inner tube, sealing strip, etc., with high production efficiency. In the production of synthetic resin, the extruder can be used as a reactor for continuous polymerization and molding.

The application of vacuum unit in PVC transparent sheet extrusion production can provide a sheet extrusion production line with reasonable design, no need of labor and reduced labor intensity. It has the advantages of simple operation, convenient use, low cost, high production efficiency, energy saving and environmental protection. At the same time, it can improve the performance of plastic sheet and reduce the production cost of plastic sheet. Most of the plastic sheet production lines are adopted The multi-layer coextrusion method has the advantages of material saving, material diversification, no toxic adhesive, composite environmental protection requirements, etc.

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