Extrusion Screw Barrel structure is suitable for: PVC wire and cable extrusion, PVC gusset extrusion, PVC profile extrusion, PVC pipe extrusion (calcium powder), PVC sheet extrusion, PVC sheet extrusion, PVC pelletizing extrusion , PVC blown film extrusion, etc.
　　
For PVC blown film extrusion: one is direct extrusion blow molding using powder material. The extruder screw used in this method has a large length to diameter ratio, a long screw metering section, a shallow groove, a large compression ratio, and a barrel blanking. The section is equipped with a triangular groove with a large number of deep and shallow grooves, and the unloading section is equipped with forced water cooling. The screw has a strong ability to grab materials, so that it has good plasticization and a certain head pressure to meet the needs of blown film; one is ordinary extrusion blown film The unit uses pellets to blow the film, but adds a pelletizing process.

Of course, in Yingtai, there is also Bimetallic Screw Barrel. If you are interested in these products, you are welcome to consult.
https://www.screwbarrel.co/bimetallic-screw-barrel/bimetallic-screw-barrel.html