plastic film blow screen changer for plastic recycling

Multi-layer co-extruded blown film production refers to the production of more than 2 layers of co-extruded extruders, also divided into two ways: up-blowing and down-blowing, down-blowing is common in packaging film, agricultural film is basically up-blowing, hydraulic screen changer is generally installed between the extruder barrel flange and the die connection flange, bolts through the flange fixed on the screen changer screw holes, the host back. After a period of time, the blown film will appear as black dots and other dirty things, so we need to replace the high speed film blowing machine screen changer.

The majority of plastic film blow screen changers are single plate duplex screen changers, which are cost effective due to their high pressure (50MPA), non-leakage, non-stop screen changing and multi-layer co-extrusion production without affecting production. The single-plate double-position screen changer has a simple structure and is easy to connect, and can be used in direct connection with single-screw extruders, twin-screw extruders and reactors of different specifications to simplify the material flow path. Therefore it is now widely used, as follows.

1. extrusion and pelletizing lines from plastic resin synthesis reactors to bulk pellets.　

2. ceramic extrusion lines.　

3. polymer (plastic and rubber) forming lines, including blown film, cast film, sheet, pipe, profile, plastic recycling, pelletizing, drawing, underwater pelletizing, masterbatch pelletizing, and extrusion laminating lines.　

4. Suitable for all kinds of pelletizing machines, extruders, film blowing machines, drawing machines, sheet extruders, tube extruders.

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