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Plastic extruder with a drying hopper

Model Length-to-diameter ratio Motor power (kW) Specifications (mm) Production capacity (kg/h) Applications and Features: The SJ series single-screw extruders mainly consist of a barrel and screw, a drive system, heating and cooling systems, and electrical control components. They are primarily used for processing plastics such as PVC, PE, PP, ABS, and TPE. When equipped with various auxiliary machines, they can directly produce plastic products like profiles, sheets, pipes, and pellets through plasticization and extrusion molding. This equipment features advanced design, high output, excellent plasticization, low energy consumption, and hard-toothed gear transmission. It also boasts low noise, smooth operation, strong load-bearing capacity, and long service life. Plastic Extruders: In terms of functionality, high efficiency is reflected in high productivity, low energy consumption, and reduced manufacturing costs. Screw-type plastic extruders are no longer limited to extrusion molding and compounding of polymeric materials; their applications have expanded into fields such as food, feed, electrodes, building materials, packaging, pulp, ceramics, and more. Main Applications of High-Speed Single-Screw Extruders: Pipe extrusion: Suitable for producing PP-R pipes, PE gas pipes, PEX cross-linked pipes, aluminum-plastic composite pipes, ABS pipes, PVC pipes, HDPE silicon-core pipes, and various co-extruded composite pipes. Sheet and plate extrusion: Applicable to the extrusion of PVC, PET, PS, PP, PC, and other types of profiles and sheets. Other plastic extrusions include filaments and rods. Profile extrusion: By adjusting the extruder speed and modifying the screw structure, it can be used to manufacture various plastic profiles, including PVC and polyolefin-based profiles. Modified pelletizing: Ideal for blending, modifying, and reinforcing various plastics during pelletizing.

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Plastic extruder with a drying hopper

Model number	Length-to-diameter ratio	Motor power (kW)	Specification mm	Production rate kg/h
SJ-45	30:1	7.5	12-40	20
SJ-65	30:1	11	40-200	80

Applications and Features:

The SJ series single-screw extruder is primarily composed of a barrel and screw, a drive system, heating and cooling units, and electrical control components.

It is primarily used for processing plastics such as PVC, PE, PP, ABS, and TPE. When equipped with various auxiliary machines, it can directly produce plastic products—including profiles, sheets, pipes, and pellets—through plasticization and extrusion molding.

This equipment features an advanced design, high production capacity, excellent plasticization, and low energy consumption, and it employs hardened‑tooth gear transmission. It also boasts low noise, smooth operation, high load‑carrying capacity, and a long service life.

Plastic extruder ：

In terms of functionality, high efficiency is primarily reflected in high output, low energy consumption, and reduced manufacturing costs. Screw-type plastic extruders are no longer limited to the extrusion molding and compounding of polymeric materials; their applications have expanded into such fields as food, feed, electrodes, construction materials, packaging, pulp, and ceramics.

Main applications of high-speed single-screw extruders

Pipe extrusion: suitable for PP-R pipes, PE gas pipe , PEX cross-linked pipes, aluminum-plastic composite pipes, ABS pipes, PVC pipes, HDPE silicon-core pipes, and various co-extruded composite pipes.
Sheet and plate extrusion: Suitable for extruding profiles and sheets made from PVC, PET, PS, PP, PC, and other materials. Also applicable to the extrusion of various other plastics into filaments, rods, and similar forms.
Extrusion of profiles: By adjusting the extruder speed and modifying the screw design, it can be used to produce various plastic profiles, including PVC and polyolefin-based materials. Modified pelletizing: Suitable for blending, modifying, and reinforcing pellets of a wide range of plastics.