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Advanced Design Mini Plastic Extruder , Small Plastic Extrusion Machine

Minimum Order Quantity : 1set Price : negotiation
Packaging Details : packing film and wood case Delivery Time : 20-25 days
Supply Ability : 90sets per year
Place of Origin: Jiangsu,China Brand Name: Friend Machinery
Certification: UV,SGS,CE Model Number: SJ25/25/28/30

Detail Information

Material: Plastic Pellet Or Powder Capacity: 1-2kg/h
Screw Type: Single Screw Motor Power: 0.75kw-1.1kw
Voltage: Customized Or 3 Phase 380V 50hz Color: Optional
High Light:

twin screw extruder machine


single screw extrusion machine

Product Description

Mini SJ25/25/28/30 Single Screw PE Plastic Extruder For Co-Extrusion/Lab


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

This set is 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.


Feature :


1. SJ25 lab single screw plastic extruder adopts well-set perfect designed screw, barrel and gear box are processed by carburization, and are equipped with stable and independent control system.


2. They have excellent advantages, such as good compounding, high output, stable operation, great application range, lower consumption , lower noise, with AC motor and famous electrical parts such as ABB ,FUJI ,OMRON brand, long life.


3. They could be used in processing and molding PO,TPU ,TPE ,PVC, PE, PERT, PET, PP, PC, PA, PMMA, ABS pipes, profiles, sheets and granules with suitable dies and accessory plastic machines.

4. It is suitable to all kinds of extrusion line with different moulds and accessories plastic machines.


5. 365 days* 24 hours  service after sale ,




I. Condition


1, Place Indoor

2, Power No danger

3, Humidity 85% non-condensing

4, Temperature 0-35℃


II. Working Condition


1, Power 3P 380V(—10%,+5%) 50Hz

2, Cold Water: ≤20℃

3, operator : 1 worker



III. Material :customized material use


2, Output:

Extruder Model Material Output Mark
SJ25 plastic pellet material use 1-2kg/h  

Output will be different according to different raw material and operations condition.




Model No. SJ2525
screw diameter  25mm
L/D 28:1
Screw Material 38CrMoAlA
Hardness of Screw HV900-1000
Depth of Nitrogen Treatment 0.4-0.7 mm
Screw Straightness <0.015 mm
Screw Compression Rate 3:1
Barrel Material 38CrMoAlA
Barrel inner surface hardness HV≥940
Main Motor Power 1.1KW
Heating Method Cast aluminum Heater+ 304stainless steel cover
Heating temperature range 0-300℃
Heating Zones 3 Periods(Screw Barrel 3periods )
Heating Power: 1.1KW*3=3.3KW
Barrel Cooling Method: Forced Air Cooling
Fan power: 60w*3=0.18kw
water jacket cooling
Screw Maximum Rotating Speed 0-89 rpm
Maximum Capacity 2Kg/h
2,Main Parts:
Name: Manufacturer:
Main Motor

AC Motor ( china brand with CE marketed )


Screw and Barrel Zhou shan Jinjiu Screw
Gearbox china brand
Reduction ratio 16:1
Control box
Electrical System

Siemens Contactor

OmronTemperature Control Meter

Converter ABB Frequency Converter
Breaker Delix brand
Ampere meter AoYi brand

Note: extruder adopt 304Stainless steel hopper , and 45# flange for easy clean and




Q:Are you machinery factory or trading company?
A:We are machinery factory

Q:If we have very special request for the production line,could you help me to do the design?
A:Experienced mechanical designer customized-design provided.

Q: Installation and stuff training available from you?
A: Yes, our engineers will guide machine installation and train your workers.

Q: How can we visit your company and machines?
A : Our factory is in Jinfeng Town, Zhangjiagang City, Jiangsu Province, China. About 2.5hours from Shanghai Pudong International Ariport.

Q:What`s the payment method?
A: T/T, L/C,Western Union,etc

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