Specializing in the production of plastic machinery

Mini Single Screw Extrusion Machine Mini Single Screw Extrusion Machine

SJ25 mini extruder is used to extrude melted plastic for making plastic products such as pipe,sheet,profile, rod and so on. Also, it can be used for pelletizing. It is specially suitable for PE PP plastic testing and ABS PLA PEEK filament extrude.

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Product Description

The SJ25/25 Plastic Lab Extruder is mainly used for experiment, that used for testing and extruding thermo-plastic such as soft hard polyvinyl chloride (PVC) and polystyrene(PE) coordinated with the appropriate auxiliary machine,(including the die).

SJ25/25 Plastic Lab Extruderis advanced in design, good in plasticization and low in energy consumption. The extruder is characterized by low noise, stable working, big bearing capacity and long service life.

Technical Parameter

Model No.                                    SJ25

Screw Diameter

25 mm

Ratio of L/D


Screw Material


Hardness of Screw


Depth of Nitrogen Treatment

0.4-0.7 mm

Screw Straightness

<0.015 mm

Main Motor Power


Heating Method

Casting Aluminum Heater

Heating Zones

3Periods(Screw Barrel 2periods,Head Piece 1 Periods)

Heating Power:


Screw Maximum Rotating Speed

60 rpm

Maximum Capacity


2,Main Parts:



Main Motor

AC Motor

Screw and Barrel

Jinjiu Screw

Electrical System

Siemens Contactor

RKC Temperature Control Meter


ABB Frequency Converter

Product Pictures

Mini Single Screw Extrusion Machine


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